MCP Server
PHION Agent Trust Infrastructure
systems.phion/evidence-engine
What this MCP does
Provides agent trust, policy, provenance, evidence, delegation, telemetry, and transaction-control services for MCP and agent workflows.
Capabilities
Tools
134
tools
a2a_transaction_bridge
A2A Transaction Bridge
Bind an A2A task to a transaction without silently transferring authority.; 0.004 USDC. Deterministic, evidence-bounded and signed.
Read only
Idempotent
Input schema
{'type': 'object', 'minProperties': 1, 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
abandoned_tool_detector
Abandoned Tool Detector
Require stale success plus multiple independent failed probes before classifying likely abandonment; 0.003 USDC.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['tool', 'policy'], 'properties': {'tool': {'type': 'object', 'required': ['last_success_at', 'reachable', 'independent_probe_count']}, 'policy': {'type': 'object'}}, 'additionalProperties': False}
agent_approval_relay
Agent Approval Relay
Agent Approval Relay; deterministic signed assessment over supplied input.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['approval'], 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
agent_behavior_fingerprint
Agent Behavior Fingerprint
Create a privacy-minimized behavioral commitment without retaining payloads or raw identifiers.; 0.003 USDC. Deterministic, evidence-bounded and signed.
Read only
Idempotent
Input schema
{'type': 'object', 'minProperties': 1, 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
agent_budget_guard
Enforce per-call, task, session and period budgets; 0.002 USDC.
Input schema
{'type': 'object', 'required': ['request', 'usage', 'policy']}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
agent_economic_graph
Agent Economic Graph
Build privacy-bounded economic relationships only from supplied nodes and edges.; 0.005 USDC. Deterministic, evidence-bounded and signed.
Read only
Idempotent
Input schema
{'type': 'object', 'minProperties': 1, 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
agent_memory_provenance
Agent Memory Provenance
Agent Memory Provenance; deterministic signed assessment over supplied input.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['memory', 'source'], 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
agent_rate_limit_negotiator
Agent Rate Limit Negotiator
Agent Rate Limit Negotiator; deterministic signed assessment over supplied input.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['demand', 'offer'], 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
agent_reputation_evidence
Evidence-bounded agent reputation assessment with confidence, coverage, provenance limitations and a signed receipt; 0.005 USDC.
Input schema
{'type': 'object', 'required': ['subject'], 'properties': {'signals': {'type': 'object'}, 'subject': {'type': 'object', 'minProperties': 1}, 'evidence': {'type': 'array', 'maxItems': 32}}, 'additionalProperties': False}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
agent_session_continuity
Agent Session Continuity
Agent Session Continuity; deterministic signed assessment over supplied input.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['previous', 'current'], 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
agent_task_handoff_receipt
Sign a bounded agent-task handoff; 0.003 USDC.
Input schema
{'type': 'object', 'required': ['handoff']}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
ap2_mandate_bridge
AP2 Mandate Bridge
Map mandate fields for review without advertising unsupported AP2 production authorization.; 0.004 USDC. Deterministic, evidence-bounded and signed.
Read only
Idempotent
Input schema
{'type': 'object', 'minProperties': 1, 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
attest
x402 paid signed JSON attestation; 0.001 USDC on Base.
Input schema
{'type': 'object', 'required': ['content'], 'properties': {'content': {}, 'sources': {'type': 'array'}, 'ttl_seconds': {'type': 'integer', 'minimum': 1}}}
automated_dispute_bundle
Automated Dispute Bundle
Assemble failure evidence and recommend resolution without executing refunds.; 0.005 USDC. Deterministic, evidence-bounded and signed.
Read only
Idempotent
Input schema
{'type': 'object', 'minProperties': 1, 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
autonomous_procurement
Autonomous Procurement
Recommend a verified eligible provider under a mandate without purchasing.; 0.005 USDC. Deterministic, evidence-bounded and signed.
Read only
Idempotent
Input schema
{'type': 'object', 'minProperties': 1, 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
capability_benchmark
Capability Benchmark
Measure reproducible success, latency and cost from versioned evidence-bound benchmark cases.; 0.004 USDC. Deterministic, evidence-bounded and signed.
Read only
Idempotent
Input schema
{'type': 'object', 'minProperties': 1, 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
capability_negotiation_preflight
Capability Negotiation Preflight
Capability Negotiation Preflight; deterministic signed assessment over supplied input.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['required', 'offered'], 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
capability_verification
Capability Verification
Separate claimed capabilities from independently evidenced successful demonstrations.; 0.003 USDC. Deterministic, evidence-bounded and signed.
Read only
Idempotent
Input schema
{'type': 'object', 'minProperties': 1, 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
company_enrichment_evidence
Company enrichment with free input preflight, provider attribution and signed evidence; 0.005 USDC.
Input schema
{'type': 'object', 'properties': {'lid': {'type': 'string'}, 'name': {'type': 'string'}, 'email': {'type': 'string'}, 'input': {'type': 'object'}, 'phone': {'type': 'string'}, 'query': {'type': 'object'}, 'entity': {'type': 'object'}, 'pdl_id': {'type': 'string'}, 'person': {'type': 'object'}, 'region': {'type': 'string'}, 'school': {'type': 'string'}, 'ticker': {'type': 'string'}, 'company': {'description': 'Company name or nested input object'}, 'contact': {'type': 'object'}, 'country': {'type': 'string'}, 'profile': {'type': 'string'}, 'subject': {'type': 'object'}, 'website': {'type': 'string'}, 'locality': {'type': 'string'}, 'location': {'type': 'string'}, 'last_name': {'type': 'string'}, 'birth_date': {'type': 'string'}, 'email_hash': {'type': 'string'}, 'first_name': {'type': 'string'}, 'identifier': {'type': 'string', 'description': 'Email, profile URL, phone, company domain, ticker or name; interpreted by service'}, 'postal_code': {'type': 'string'}, 'street_address': {'type': 'string'}, 'minimum_likelihood': {'type': 'integer', 'maximum': 10, 'minimum': 0}}, 'description': 'Company identifier: pdl_id, website/domain, profile, ticker, name, company, or identifier; nested input/query/entity/company accepted. Validation occurs before payment.', 'minProperties': 1, 'additionalProperties': True}
concurrency_guard
Concurrency Guard
Fail closed unless capacity counter is fresh and the request carries a lease plus idempotency binding; 0.002 USDC.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['requested_slots', 'active_slots', 'lease_id', 'idempotency_key', 'lease_valid_until', 'counter_observed_at', 'policy'], 'properties': {'policy': {'type': 'object', 'required': ['maximum_slots']}, 'lease_id': {'type': 'string'}, 'active_slots': {'type': 'integer', 'minimum': 0}, 'idempotency_key': {'type': 'string'}, 'requested_slots': {'type': 'integer', 'minimum': 1}, 'lease_valid_until': {'type': 'integer'}, 'counter_observed_at': {'type': 'integer'}}, 'additionalProperties': False}
conflict_resolution
Resolve or abstain; every candidate must bind source, value hash, observation time and bounded confidence; 0.003 USDC.
Input schema
{'type': 'object', 'required': ['candidates', 'policy'], 'properties': {'policy': {'type': 'object'}, 'candidates': {'type': 'array', 'items': {'type': 'object', 'required': ['source', 'value_sha256', 'observed_at', 'confidence']}, 'maxItems': 100, 'minItems': 2}}}
contact_enrichment_evidence
Business-contact enrichment with free input preflight, identity limitations and signed receipt; 0.007 USDC.
Input schema
{'type': 'object', 'properties': {'lid': {'type': 'string'}, 'name': {'type': 'string'}, 'email': {'type': 'string'}, 'input': {'type': 'object'}, 'phone': {'type': 'string'}, 'query': {'type': 'object'}, 'entity': {'type': 'object'}, 'pdl_id': {'type': 'string'}, 'person': {'type': 'object'}, 'region': {'type': 'string'}, 'school': {'type': 'string'}, 'ticker': {'type': 'string'}, 'company': {'description': 'Company name or nested input object'}, 'contact': {'type': 'object'}, 'country': {'type': 'string'}, 'profile': {'type': 'string'}, 'subject': {'type': 'object'}, 'website': {'type': 'string'}, 'locality': {'type': 'string'}, 'location': {'type': 'string'}, 'last_name': {'type': 'string'}, 'birth_date': {'type': 'string'}, 'email_hash': {'type': 'string'}, 'first_name': {'type': 'string'}, 'identifier': {'type': 'string', 'description': 'Email, profile URL, phone, company domain, ticker or name; interpreted by service'}, 'postal_code': {'type': 'string'}, 'street_address': {'type': 'string'}, 'minimum_likelihood': {'type': 'integer', 'maximum': 10, 'minimum': 0}}, 'description': 'Person identifier: pdl_id, email, email_hash, phone, lid, profile, or name plus context; nested input/query/subject/person/contact accepted. Validation occurs before payment.', 'minProperties': 1, 'additionalProperties': True}
context_provenance_labeler
Hash and label context integrity, confidentiality and source; 0.002 USDC.
Input schema
{'type': 'object', 'required': ['content', 'source']}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
counterparty_risk_preflight
Deterministic counterparty policy preflight using supplied reputation evidence and transaction limits; 0.003 USDC.
Input schema
{'type': 'object', 'required': ['subject', 'transaction'], 'properties': {'policy': {'type': 'object'}, 'subject': {'type': 'object'}, 'reputation': {'type': 'object'}, 'transaction': {'type': 'object'}}, 'additionalProperties': False}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
cross_agent_receipt_bundle
Cross-Agent Receipt Bundle
Cross-Agent Receipt Bundle; deterministic signed assessment over supplied input.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['receipts'], 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
cross_protocol_receipt
Cross-Protocol Receipt
Bundle consistent transaction commitments across multiple protocols.; 0.004 USDC. Deterministic, evidence-bounded and signed.
Read only
Idempotent
Input schema
{'type': 'object', 'minProperties': 1, 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
data_egress_preflight
Inspect outbound agent data and destination before transmission; 0.002 USDC.
Input schema
{'type': 'object', 'required': ['payload', 'destination'], 'properties': {'policy': {'type': 'object'}, 'payload': {}, 'destination': {'type': 'object'}}, 'additionalProperties': False}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
data_freshness_certificate
Certify freshness only when timestamp is bound to source URI and a 64-hex content hash; 0.002 USDC.
Input schema
{'type': 'object', 'required': ['data', 'policy'], 'properties': {'data': {'type': 'object', 'required': ['observed_at', 'source_uri', 'content_sha256']}, 'policy': {'type': 'object', 'required': ['maximum_age_seconds']}}}
delegated_credential_guard
Delegated Credential Guard
Delegated Credential Guard; deterministic signed assessment over supplied input.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['credential', 'action'], 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
delegated_spend_policy
Delegated Spend Policy
Fail closed when delegated authority, per-call limit or remaining budget is insufficient.; 0.003 USDC. Deterministic, evidence-bounded and signed.
Read only
Idempotent
Input schema
{'type': 'object', 'minProperties': 1, 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
delegation_scope_guard
Least-privilege guard for agent-to-agent delegation scope, destinations, budget and expiry; 0.003 USDC.
Input schema
{'type': 'object', 'required': ['delegation', 'policy'], 'properties': {'policy': {'type': 'object'}, 'delegation': {'type': 'object'}}, 'additionalProperties': False}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
delivery_evidence
Delivery Evidence
Bind successful delivery to transaction, request and matching 64-hex expected/observed content hashes without echoing content; 0.003 USDC.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['delivery'], 'properties': {'delivery': {'type': 'object', 'required': ['transaction_id', 'status', 'delivered_at', 'content_sha256', 'expected_content_sha256', 'request_sha256']}}, 'additionalProperties': False}
dependency_provenance_assessment
Fail closed on empty dependency sets or absent registry policy; distinguish digest declarations from verified provenance; 0.003 USDC.
Input schema
{'type': 'object', 'required': ['dependencies', 'policy'], 'properties': {'policy': {'type': 'object', 'required': ['allowed_registries']}, 'dependencies': {'type': 'array', 'maxItems': 1000, 'minItems': 1}}}
document_to_verified_json
Public text, HTML, JSON or XML normalized to source-backed JSON; no OCR; 0.010 USDC.
Input schema
{'type': 'object', 'required': ['source_urls'], 'properties': {'source_urls': {'type': 'array', 'maxItems': 5, 'minItems': 1}, 'expected_fields': {'type': 'array'}}}
domain_ownership_evidence
Require a fresh domain-bound DNS-01/HTTP-01 challenge and separate control from legal ownership; 0.003 USDC.
Input schema
{'type': 'object', 'required': ['domain', 'evidence'], 'properties': {'domain': {'type': 'string'}, 'evidence': {'type': 'object', 'required': ['domain', 'method', 'verified_at', 'challenge_sha256', 'independently_verified']}}}
duplicate_charge_detector
Duplicate Charge Detector
Detect repeated transaction hashes, payment identifiers and idempotent intents; 0.003 USDC.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['charges'], 'properties': {'charges': {'type': 'array', 'items': {'type': 'object'}, 'maxItems': 1000, 'minItems': 1}}, 'additionalProperties': False}
durable_agent_task
Durable Agent Task
Durable Agent Task; deterministic signed assessment over supplied input.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['task'], 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
dynamic_service_pricing
Dynamic Service Pricing
Propose a capped shadow price without changing the live catalog.; 0.004 USDC. Deterministic, evidence-bounded and signed.
Read only
Idempotent
Input schema
{'type': 'object', 'minProperties': 1, 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
economic_loop_detector
Economic Loop Detector
Detect self-transfer and reciprocal economic patterns without presenting correlation as fraud.; 0.004 USDC. Deterministic, evidence-bounded and signed.
Read only
Idempotent
Input schema
{'type': 'object', 'minProperties': 1, 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
entity_enrichment_evidence
Source-bounded entity field coverage with explicit missing facts; 0.008 USDC.
Input schema
{'type': 'object', 'required': ['source_urls'], 'properties': {'subject': {'type': 'object'}, 'source_urls': {'type': 'array', 'maxItems': 5, 'minItems': 1}, 'expected_fields': {'type': 'array', 'maxItems': 32}}}
erc8004_identity_evidence
ERC-8004 Identity Evidence
Bind an ERC-8004 registry identity to evidence while separating registration from ownership.; 0.004 USDC. Deterministic, evidence-bounded and signed.
Read only
Idempotent
Input schema
{'type': 'object', 'minProperties': 1, 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
erc8004_reputation_intelligence
ERC-8004 Reputation Intelligence
Aggregate diverse verified reputation observations with low-sample abstention.; 0.004 USDC. Deterministic, evidence-bounded and signed.
Read only
Idempotent
Input schema
{'type': 'object', 'minProperties': 1, 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
execution_cost_estimator
Execution Cost Estimator
Execution Cost Estimator; deterministic signed assessment over supplied input.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['steps', 'budget_atomic'], 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
fetch_evidence
Independently fetch bounded public evidence with redirect/DNS/connected-address SSRF checks, hashes and injection screening; 0.004 USDC.
Read only
Open world
Idempotent
Input schema
{'type': 'object', 'required': ['url'], 'properties': {'url': {'type': 'string', 'format': 'uri'}}, 'additionalProperties': False}
human_approval_policy
Classify an action as automatic, approval-required or denied; 0.002 USDC.
Input schema
{'type': 'object', 'required': ['action', 'policy']}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
idempotency_replay_guard
Detect safe replays and conflicting idempotency-key reuse; 0.002 USDC.
Input schema
{'type': 'object', 'required': ['idempotency_key', 'action']}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
index_feed
PHION Index Feed
Canonical catalog snapshot or digest-based delta with exact HTTP/MCP records, PHION Execute templates and signed evidence; 0.005 USDC.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['mode'], 'properties': {'mode': {'enum': ['snapshot', 'delta']}, 'since_snapshot_sha256': {'type': 'string', 'pattern': '^[a-f0-9]{64}$'}}, 'additionalProperties': False}
inspect_agent
Pre-payment agent inspection across x402, A2A, ERC-8004, OpenAPI and MCP; failed inspections are not charged; 0.009 USDC.
Read only
Open world
Idempotent
Input schema
{'type': 'object', 'required': ['url'], 'properties': {'url': {'type': 'string', 'format': 'uri'}}, 'additionalProperties': False}
inter_agent_policy_evaluator
Inter-Agent Policy Evaluator
Require policy identity, subject, action, lifetime and valid decisions; compute the restrictive cap and shared actions; 0.003 USDC.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['policies'], 'properties': {'policies': {'type': 'array', 'items': {'type': 'object', 'required': ['policy_id', 'subject', 'action', 'expires_at', 'decision']}, 'maxItems': 64, 'minItems': 2}}, 'additionalProperties': False}
interrupted_task_recovery
Resume only when task/checkpoint identity, sequence, deadline, attempt budget, idempotency and side effects are explicit; 0.003 USDC.
Input schema
{'type': 'object', 'required': ['task', 'checkpoint', 'policy'], 'properties': {'task': {'type': 'object', 'required': ['task_id', 'attempts', 'deadline', 'side_effect_status']}, 'policy': {'type': 'object', 'required': ['max_attempts']}, 'checkpoint': {'type': 'object', 'required': ['task_id', 'sequence', 'state_sha256']}}}
journey_verify
Verify hash continuity, timestamps and ordered intent→quote→payment→delivery lifecycle; 0.010 USDC.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['journey_id', 'events'], 'properties': {'events': {'type': 'array', 'maxItems': 128, 'minItems': 2}, 'expected': {'type': 'object'}, 'journey_id': {'type': 'string', 'maxLength': 128}}}
live_data_freshness
Evaluate live source observation against explicit maximum age; 0.002 USDC.
Input schema
{'type': 'object', 'required': ['source_urls', 'max_age_seconds'], 'properties': {'source_urls': {'type': 'array', 'maxItems': 5, 'minItems': 1}, 'max_age_seconds': {'type': 'integer', 'minimum': 1}}}
mandate_reserve
Atomic spending reservation with cumulative cap and conflict-safe idempotency; 0.004 USDC.
Idempotent
Input schema
{'type': 'object', 'required': ['mandate_id', 'idempotency_key', 'capability_token', 'amount', 'cumulative_limit'], 'properties': {'amount': {'type': 'string', 'pattern': '^[1-9][0-9]*$'}, 'mandate_id': {'type': 'string', 'maxLength': 128}, 'ttl_seconds': {'type': 'integer', 'maximum': 3600, 'minimum': 1}, 'idempotency_key': {'type': 'string', 'maxLength': 128}, 'capability_token': {'type': 'string', 'maxLength': 256, 'minLength': 32}, 'cumulative_limit': {'type': 'string', 'pattern': '^[1-9][0-9]*$'}}}
manifest_version_diff
Recursive manifest diff that requires explicit versions and flags sensitive changes without a version advance; 0.002 USDC.
Input schema
{'type': 'object', 'required': ['previous', 'current'], 'properties': {'current': {'type': 'object', 'required': ['version']}, 'previous': {'type': 'object', 'required': ['version']}}}
market_data_snapshot
Timestamped public market-data snapshot with provenance; 0.005 USDC.
Input schema
{'type': 'object', 'required': ['source_urls'], 'properties': {'subject': {'type': 'object'}, 'source_urls': {'type': 'array', 'maxItems': 5, 'minItems': 1}, 'expected_fields': {'type': 'array'}}}
market_demand_predictor
Market Demand Predictor
Forecast verified demand trends while abstaining on insufficient history.; 0.005 USDC. Deterministic, evidence-bounded and signed.
Read only
Idempotent
Input schema
{'type': 'object', 'minProperties': 1, 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
mcp_2026_compatibility_gateway
MCP 2026 Compatibility Gateway
MCP 2026 Compatibility Gateway; deterministic signed assessment over supplied input.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['protocol_version', 'methods'], 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
mcp_a2a_task_bridge
MCP-A2A Task Bridge
MCP-A2A Task Bridge; deterministic signed assessment over supplied input.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['mcp_task', 'a2a_task'], 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
mcp_catalog_cache_guard
MCP Catalog Cache Guard
MCP Catalog Cache Guard; deterministic signed assessment over supplied input.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['catalog', 'ttl_ms', 'cache_scope'], 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
mcp_manifest_firewall
Inspect an MCP manifest before installation or trust; 0.002 USDC.
Input schema
{'type': 'object', 'required': ['manifest'], 'properties': {'policy': {'type': 'object'}, 'manifest': {'type': 'object'}}, 'additionalProperties': False}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
mcp_server_identity_evidence
Bind MCP domain, endpoint, manifest, key and version; 0.003 USDC.
Input schema
{'type': 'object', 'required': ['identity']}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
mcp_transaction_gateway
MCP Transaction Gateway
Bind an MCP tool call to transaction evidence without granting undeclared authority.; 0.004 USDC. Deterministic, evidence-bounded and signed.
Read only
Idempotent
Input schema
{'type': 'object', 'minProperties': 1, 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
memory_write_guard
Screen persistent memory writes for poisoning, unsafe instructions and missing provenance; 0.002 USDC.
Input schema
{'type': 'object', 'required': ['write'], 'properties': {'write': {'type': 'object'}, 'policy': {'type': 'object'}}, 'additionalProperties': False}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
multi_agent_escrow
Multi-Agent Escrow
Recommend hold or release from evidence without PHION custody or fund movement.; 0.005 USDC. Deterministic, evidence-bounded and signed.
Read only
Idempotent
Input schema
{'type': 'object', 'minProperties': 1, 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
multi_source_fact_bundle
Independent source observations with agreement made explicit; 0.005 USDC.
Input schema
{'type': 'object', 'required': ['source_urls'], 'properties': {'query': {'type': 'string'}, 'source_urls': {'type': 'array', 'maxItems': 5, 'minItems': 2}, 'expected_fields': {'type': 'array'}}}
oauth_issuer_binding_evidence
OAuth Issuer Binding Evidence
OAuth Issuer Binding Evidence; deterministic signed assessment over supplied input.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['claims', 'expected_issuer', 'expected_audience'], 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
oauth_token_audience_guard
Validate declared OAuth audience and issuer; never send raw tokens; 0.002 USDC.
Input schema
{'type': 'object', 'required': ['claims', 'expected_audience']}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
onchain_evidence
Public explorer or RPC response evidence with immutable hashes; 0.004 USDC.
Input schema
{'type': 'object', 'required': ['source_urls'], 'properties': {'subject': {'type': 'object'}, 'source_urls': {'type': 'array', 'maxItems': 5, 'minItems': 1}}}
payment_capability_preflight
Declare Payment Capability
Free anonymous non-blocking self-report of wallet, mandate, x402 v2, network, asset and funding readiness. Stores only a daily pseudonymous actor and normalized reason; never a wallet, balance, signature or request content.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['service', 'intent'], 'properties': {'intent': {'enum': ['discovery_only', 'evaluate_purchase']}, 'service': {'type': 'string'}, 'funds_available': {'type': 'boolean'}, 'spend_authorized': {'type': 'boolean'}, 'supported_assets': {'type': 'array', 'items': {'type': 'string'}, 'maxItems': 8}, 'supports_x402_v2': {'type': 'boolean'}, 'wallet_available': {'type': 'boolean'}, 'supported_networks': {'type': 'array', 'items': {'type': 'string'}, 'maxItems': 8}}, 'additionalProperties': False}
payment_delivery_atomicity
Payment Delivery Atomicity
Payment Delivery Atomicity; deterministic signed assessment over supplied input.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['payment', 'delivery'], 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
payment_diagnose
Free diagnosis of the exact payment-funnel stage and machine-readable recovery actions for any PHION service.
Input schema
{'type': 'object', 'required': ['service'], 'properties': {'service': {'type': 'string'}, 'body_valid': {'type': 'boolean'}, 'error_code': {'type': 'string'}, 'http_status': {'type': 'integer'}, 'x402_version': {'type': 'string'}, 'selected_network': {'type': 'string'}, 'has_payment_signature': {'type': 'boolean'}}, 'additionalProperties': False}
payment_optimizer
Payment Optimizer
Rank only integration-tested payment routes under explicit cost and latency constraints.; 0.003 USDC. Deterministic, evidence-bounded and signed.
Read only
Idempotent
Input schema
{'type': 'object', 'minProperties': 1, 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
payment_preflight
Fail-closed x402 v2 firewall for network, asset, recipient, amount, scheme, resource host and expiry; 0.002 USDC.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['payment_requirement', 'policy'], 'properties': {'policy': {'type': 'object'}, 'intent_id': {'type': 'string', 'maxLength': 128}, 'payment_requirement': {'type': 'object'}}}
Output schema
{'type': 'object', 'required': ['decision', 'receipt', 'charged']}
payment_receipt_reconciler
Payment Receipt Reconciler
Compare canonical and common x402 payment/receipt aliases, settlement state and coverage; 0.003 USDC.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['payment', 'receipt'], 'properties': {'payment': {'type': 'object'}, 'receipt': {'type': 'object'}}, 'additionalProperties': False}
payment_route_selector
Payment Route Selector
Reject impossible x402 routes, rank safe eligible routes by policy and return the exact next payment action; read-only, deterministic, 0.002 USDC.
Read only
Idempotent
Input schema
{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['routes', 'policy'], 'properties': {'policy': {'type': 'object', 'properties': {'allowed_assets': {'type': 'array', 'items': {'type': 'string'}}, 'max_latency_ms': {'type': 'integer', 'minimum': 0}, 'allowed_networks': {'type': 'array', 'items': {'type': 'string'}}, 'max_total_atomic': {'type': ['string', 'integer']}, 'max_amount_atomic': {'type': ['string', 'integer']}, 'preferred_networks': {'type': 'array', 'items': {'type': 'string'}}, 'minimum_validity_seconds': {'type': 'integer', 'minimum': 0}}}, 'routes': {'type': 'array', 'items': {'type': 'object', 'required': ['amount_atomic'], 'properties': {'asset': {'type': 'string'}, 'scheme': {'type': 'string'}, 'network': {'type': 'string'}, 'available': {'type': 'boolean'}, 'expires_at': {'type': 'integer'}, 'x402_version': {'type': 'integer'}, 'amount_atomic': {'type': ['string', 'integer']}, 'gas_sufficient': {'type': 'boolean'}, 'estimated_fee_atomic': {'type': ['string', 'integer']}, 'estimated_latency_ms': {'type': 'integer', 'minimum': 0}, 'facilitator_supported': {'type': 'boolean'}, 'wallet_balance_atomic': {'type': ['string', 'integer']}}}, 'maxItems': 64, 'minItems': 1}}, 'additionalProperties': False}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
person_enrichment_evidence
Person enrichment with free input preflight, provider attribution, likelihood, limitations and signed receipt; 0.006 USDC.
Input schema
{'type': 'object', 'properties': {'lid': {'type': 'string'}, 'name': {'type': 'string'}, 'email': {'type': 'string'}, 'input': {'type': 'object'}, 'phone': {'type': 'string'}, 'query': {'type': 'object'}, 'entity': {'type': 'object'}, 'pdl_id': {'type': 'string'}, 'person': {'type': 'object'}, 'region': {'type': 'string'}, 'school': {'type': 'string'}, 'ticker': {'type': 'string'}, 'company': {'description': 'Company name or nested input object'}, 'contact': {'type': 'object'}, 'country': {'type': 'string'}, 'profile': {'type': 'string'}, 'subject': {'type': 'object'}, 'website': {'type': 'string'}, 'locality': {'type': 'string'}, 'location': {'type': 'string'}, 'last_name': {'type': 'string'}, 'birth_date': {'type': 'string'}, 'email_hash': {'type': 'string'}, 'first_name': {'type': 'string'}, 'identifier': {'type': 'string', 'description': 'Email, profile URL, phone, company domain, ticker or name; interpreted by service'}, 'postal_code': {'type': 'string'}, 'street_address': {'type': 'string'}, 'minimum_likelihood': {'type': 'integer', 'maximum': 10, 'minimum': 0}}, 'description': 'Person identifier: pdl_id, email, email_hash, phone, lid, profile, or name plus context; nested input/query/subject/person/contact accepted. Validation occurs before payment.', 'minProperties': 1, 'additionalProperties': True}
phion_discover
Discover PHION Services
Free complete PHION service index generated from canonical inventory. Use when the agent knows a capability or wants to inspect the full network.
Read only
Idempotent
Input schema
{'type': 'object', 'additionalProperties': False}
phion_enrich
PHION Enrich
Enrich a company, person or contact through an attributed provider route without hiding upstream cost.; 0.120 USDC. Deterministic, evidence-bounded and signed.
Read only
Idempotent
Input schema
{'type': 'object', 'minProperties': 1, 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
phion_execute
Execute a PHION Service
Universal PHION execution gateway: enforce a budget and persistent idempotency, execute one selected PHION service, evaluate acceptance criteria, and return a signed completion envelope. No gateway surcharge; the selected service price applies.
Open world
Idempotent
Input schema
{'type': 'object', 'required': ['objective', 'target_service', 'input', 'max_budget_atomic', 'idempotency_key'], 'properties': {'input': {'type': 'object'}, 'dry_run': {'type': 'boolean'}, 'objective': {'type': 'string', 'maxLength': 2000, 'minLength': 1}, 'target_service': {'type': 'string'}, 'idempotency_key': {'type': 'string', 'maxLength': 256, 'minLength': 8}, 'max_budget_atomic': {'type': 'string', 'pattern': '^[0-9]+$'}, 'acceptance_criteria': {'type': 'array', 'items': {'type': 'object', 'required': ['pointer'], 'properties': {'equals': {}, 'pointer': {'type': 'string'}, 'required': {'type': 'boolean'}}}, 'maxItems': 32}}, 'additionalProperties': False}
phion_get_service
Get PHION Service Contract
Retrieve one exact canonical PHION service contract by service id or MCP tool name.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['serviceId'], 'properties': {'serviceId': {'type': 'string'}}, 'additionalProperties': False}
phion_inference
PHION Inference
Complete a bounded inference microtask and return a directly usable answer with signed delivery.; 0.001 USDC. Deterministic, evidence-bounded and signed.
Read only
Idempotent
Input schema
{'type': 'object', 'minProperties': 1, 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
phion_intelligence
PHION Intelligence
Search, synthesize and cite evidence in one call, minimizing residual agent work.; 0.012 USDC. Deterministic, evidence-bounded and signed.
Read only
Idempotent
Input schema
{'type': 'object', 'minProperties': 1, 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
phion_preflight
Check PHION Service Preflight
Free service-specific schema, network, budget and economic preflight. It does not execute or charge.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['serviceId', 'input'], 'properties': {'input': {'type': 'object'}, 'network': {'type': 'string'}, 'intentId': {'type': 'string'}, 'protocol': {'type': 'string'}, 'serviceId': {'type': 'string'}, 'budgetUsdc': {'type': 'number', 'minimum': 0}, 'correlationId': {'type': 'string'}, 'idempotencyKey': {'type': 'string'}}, 'additionalProperties': False}
phion_resolve
Resolve an Agent Capability
Free provider-neutral capability resolution. Applies eligibility constraints, preserves UNKNOWN and abstains when evidence is insufficient. Advisory only: never authorizes payment or execution.
Read only
Open world
Idempotent
Input schema
{'type': 'object', 'anyOf': [{'required': ['task']}, {'required': ['capability']}], 'properties': {'task': {'type': 'string', 'maxLength': 2000}, 'capability': {'type': 'string'}, 'constraints': {'type': 'object', 'properties': {'privacy': {'type': 'string'}, 'currency': {'type': 'string'}, 'maxPrice': {'type': 'number', 'minimum': 0}, 'deadlineMs': {'type': 'integer', 'minimum': 0}, 'jurisdiction': {'type': 'string'}, 'allowedAssets': {'type': 'array', 'items': {'type': 'string'}}, 'minimumQuality': {'type': 'number', 'maximum': 1, 'minimum': 0}, 'allowedNetworks': {'type': 'array', 'items': {'type': 'string'}}, 'allowedProviders': {'type': 'array', 'items': {'type': 'string'}}, 'freshnessSeconds': {'type': 'integer', 'minimum': 0}, 'excludedProviders': {'type': 'array', 'items': {'type': 'string'}}, 'requireVerification': {'type': 'boolean'}}}, 'executionMode': {'enum': ['SHADOW', 'ADVISORY', 'PREFLIGHT']}}, 'additionalProperties': False}
phion_search
PHION Search
Search the live web and return normalized source URLs and snippets with signed delivery.; 0.006 USDC. Deterministic, evidence-bounded and signed.
Read only
Idempotent
Input schema
{'type': 'object', 'minProperties': 1, 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
phion_search_services
Search PHION Services
Search the complete canonical PHION inventory by task, capability, protocol or maximum advertised price without selecting or charging.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['query'], 'properties': {'limit': {'type': 'integer', 'maximum': 50, 'minimum': 1}, 'query': {'type': 'string', 'maxLength': 500}, 'maxPrice': {'type': 'number', 'minimum': 0}, 'protocol': {'type': 'string'}, 'capability': {'type': 'string'}}, 'additionalProperties': False}
portable_observability_audit
Validate event identity, timestamps, hash chain and W3C-compatible lowercase nonzero trace/span identifiers; 0.004 USDC.
Input schema
{'type': 'object', 'required': ['events'], 'properties': {'events': {'type': 'array', 'items': {'type': 'object', 'required': ['event_id', 'observed_at', 'trace_id', 'span_id']}, 'maxItems': 1000, 'minItems': 1}}}
preflight
Free URL safety and reachability check.
Input schema
{'type': 'object', 'required': ['url'], 'properties': {'url': {'type': 'string', 'format': 'uri'}}, 'additionalProperties': False}
price_discovery_engine
Price Discovery Engine
Derive price bands only from settled observations, never traffic or unsigned quotes.; 0.005 USDC. Deterministic, evidence-bounded and signed.
Read only
Idempotent
Input schema
{'type': 'object', 'minProperties': 1, 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
proof_of_service
Proof of Service
Commit request, authority, execution, payment and delivery evidence in one proof.; 0.005 USDC. Deterministic, evidence-bounded and signed.
Read only
Idempotent
Input schema
{'type': 'object', 'minProperties': 1, 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
provider_quality_predictor
Provider Quality Predictor
Estimate provider success, quality, latency and cost using transparent sample-aware statistics.; 0.004 USDC. Deterministic, evidence-bounded and signed.
Read only
Idempotent
Input schema
{'type': 'object', 'minProperties': 1, 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
purpose_bound_consent
Fail-closed consent bound to ID, subject, recipient, purpose, scope, issue/expiry and checked revocation state; 0.003 USDC.
Input schema
{'type': 'object', 'required': ['consent', 'action'], 'properties': {'action': {'type': 'object', 'required': ['subject', 'recipient', 'purpose', 'scope']}, 'consent': {'type': 'object', 'required': ['consent_id', 'subject', 'recipient', 'purpose', 'scope', 'issued_at', 'expires_at', 'revocation_checked', 'revoked']}}}
quote_freshness_guard
Quote Freshness Guard
Quote Freshness Guard; deterministic signed assessment over supplied input.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['quote'], 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
redirect_callback_validator
Validate HTTPS callbacks and redirect host allowlists; 0.002 USDC.
Input schema
{'type': 'object', 'required': ['requested_url', 'allowed_hosts']}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
reputation_update_receipt
Reputation Update Receipt
Recommend a bounded auditable reputation update from verified outcome evidence.; 0.004 USDC. Deterministic, evidence-bounded and signed.
Read only
Idempotent
Input schema
{'type': 'object', 'minProperties': 1, 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
resource_cycle_guard
Resource Cycle Guard
Require per-step identity, token and cost counters; detect repeated nodes/edges and enforce all three hard caps; 0.002 USDC.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['trace', 'policy'], 'properties': {'trace': {'type': 'array', 'items': {'type': 'object', 'required': ['id', 'tokens', 'cost_atomic']}}, 'policy': {'type': 'object', 'required': ['max_steps', 'max_tokens', 'max_cost_atomic']}}, 'additionalProperties': False}
retention_deletion_receipt
Separate requested, operator-completed and evidence-verified retention/deletion states using content and evidence hashes; 0.003 USDC.
Input schema
{'type': 'object', 'required': ['record', 'action'], 'properties': {'action': {'type': 'object', 'required': ['kind']}, 'record': {'type': 'object', 'required': ['record_id', 'content_sha256']}}}
rwa_asset_due_diligence
Fail-closed issuer, contract, jurisdiction, custody and documentation coverage with independently fetched evidence; 0.019 USDC.
Read only
Open world
Idempotent
Input schema
{'type': 'object', 'required': ['asset'], 'properties': {'asset': {'type': 'object'}, 'source_urls': {'type': 'array', 'maxItems': 5}, 'declared_facts': {'type': 'object'}}}
rwa_compliance
Fail-closed RWA transfer decision requiring explicit jurisdiction, KYC, allowlist, limit and transfer-window checks; 0.012 USDC.
Read only
Open world
Idempotent
Input schema
{'type': 'object', 'required': ['asset', 'policy'], 'properties': {'asset': {'type': 'object'}, 'policy': {'type': 'object'}, 'source_urls': {'type': 'array', 'maxItems': 5}}}
rwa_corporate_actions
Detect and sign material RWA changes in NAV, income, maturity, redemption or freeze state; 0.012 USDC.
Input schema
{'type': 'object', 'required': ['asset', 'previous_state', 'current_state'], 'properties': {'asset': {'type': 'object'}, 'source_urls': {'type': 'array', 'maxItems': 5}, 'current_state': {'type': 'object'}, 'previous_state': {'type': 'object'}}}
rwa_nav_reserve
Compare declared NAV and reserve ratios with structured observed facts plus independently fetched evidence; returns discrepancies in basis points and fails closed on incomplete evidence; 0.015 USDC.
Input schema
{'type': 'object', 'required': ['asset', 'declared_facts', 'observed_facts', 'source_urls'], 'properties': {'asset': {'type': 'object', 'minProperties': 1}, 'source_urls': {'type': 'array', 'maxItems': 5, 'minItems': 1}, 'tolerance_bps': {'type': 'integer', 'maximum': 10000, 'minimum': 0}, 'declared_facts': {'type': 'object', 'required': ['nav', 'reserve_ratio', 'as_of', 'unit']}, 'observed_facts': {'type': 'object', 'required': ['nav', 'reserve_ratio', 'as_of', 'unit']}}, 'additionalProperties': False}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
rwa_sanctions_screening_evidence
Evidence-based literal subject screening against observed official US/EU sanctions sources; 0.015 USDC. Not legal clearance or wallet attribution.
Input schema
{'type': 'object', 'required': ['subject', 'jurisdictions'], 'properties': {'subject': {'type': 'object', 'required': ['name']}, 'source_urls': {'type': 'array', 'maxItems': 3}, 'jurisdictions': {'type': 'array', 'items': {'enum': ['US', 'EU']}}}}
rwa_transaction_assurance
Verify an RWA asset, payment, delivery and transfer restrictions; 0.020 USDC.
Input schema
{'type': 'object', 'required': ['asset', 'transaction', 'policy'], 'properties': {'asset': {'type': 'object'}, 'policy': {'type': 'object'}, 'source_urls': {'type': 'array', 'maxItems': 5}, 'transaction': {'type': 'object'}}}
schema_normalize
Safe alias normalization that refuses ambiguous canonical/alias collisions and never changes payment values; 0.001 USDC.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['target_service', 'payload'], 'properties': {'payload': {'type': 'object'}, 'target_service': {'type': 'string'}}, 'additionalProperties': False}
schema_normalize_free
Free, rate-limited payload validation and safe key normalization before payment. Payment-critical values are never changed.
Input schema
{'type': 'object', 'required': ['target_service', 'payload'], 'properties': {'payload': {'type': 'object'}, 'target_service': {'type': 'string'}}, 'additionalProperties': False}
secret_redaction_preflight
Detect and redact common secret indicators before transmission; 0.002 USDC.
Input schema
{'type': 'object', 'required': ['payload']}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
service_failover_selector
Service Failover Selector
Service Failover Selector; deterministic signed assessment over supplied input.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['candidates'], 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
service_gap_detector
Service Gap Detector
Detect capability shortages using verified demand and verified provider supply.; 0.004 USDC. Deterministic, evidence-bounded and signed.
Read only
Idempotent
Input schema
{'type': 'object', 'minProperties': 1, 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
service_sla_attestation
Sign availability and latency calculations from bounded samples; 0.004 USDC.
Input schema
{'type': 'object', 'required': ['samples', 'policy']}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
signed_result_comparator
Compare agent results and sign agreement or conflict; 0.003 USDC.
Input schema
{'type': 'object', 'required': ['results']}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
sla_risk_predictor
SLA Risk Predictor
Estimate SLA failure probability from bounded success and latency evidence.; 0.004 USDC. Deterministic, evidence-bounded and signed.
Read only
Idempotent
Input schema
{'type': 'object', 'minProperties': 1, 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
social_source_evidence
Attributable public social-source observations with identity limitations; 0.006 USDC.
Input schema
{'type': 'object', 'required': ['source_urls'], 'properties': {'query': {'type': 'string'}, 'subject': {'type': 'object'}, 'source_urls': {'type': 'array', 'maxItems': 5, 'minItems': 1}}}
source_backed_search
Literal search over supplied public sources with citations and hashes; 0.004 USDC.
Input schema
{'type': 'object', 'required': ['source_urls', 'query'], 'properties': {'query': {'type': 'string', 'minLength': 1}, 'source_urls': {'type': 'array', 'maxItems': 5, 'minItems': 1}}}
subscription_spend_guard
Subscription Spend Guard
Bind one recurring charge to approval, merchant, due time and per-charge/period budgets; 0.003 USDC.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['subscription', 'usage', 'policy'], 'properties': {'usage': {'type': 'object'}, 'policy': {'type': 'object', 'required': ['period_limit_atomic']}, 'subscription': {'type': 'object', 'required': ['next_charge_atomic']}}, 'additionalProperties': False}
sybil_reputation_guard
Sybil Reputation Guard
Combine multiple bounded Sybil signals while abstaining without independent evidence.; 0.004 USDC. Deterministic, evidence-bounded and signed.
Read only
Idempotent
Input schema
{'type': 'object', 'minProperties': 1, 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
task_cancel_assurance
Task Cancel Assurance
Task Cancel Assurance; deterministic signed assessment over supplied input.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['task', 'side_effects'], 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
task_checkpoint_evidence
Task Checkpoint Evidence
Task Checkpoint Evidence; deterministic signed assessment over supplied input.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['checkpoint'], 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
task_lease_guard
Task Lease Guard
Task Lease Guard; deterministic signed assessment over supplied input.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['lease', 'requester'], 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
tool_call_policy_guard
Bind a proposed tool call to declared intent and execution policy; 0.002 USDC.
Input schema
{'type': 'object', 'required': ['call', 'intent', 'policy'], 'properties': {'call': {'type': 'object'}, 'intent': {'type': 'object'}, 'policy': {'type': 'object'}}, 'additionalProperties': False}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
tool_capability_drift_monitor
Detect tool capability or manifest drift; 0.002 USDC.
Input schema
{'type': 'object', 'required': ['baseline', 'current']}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
tool_output_firewall
Inspect untrusted MCP/tool output before it enters agent context or triggers an action; 0.002 USDC.
Input schema
{'type': 'object', 'required': ['output'], 'properties': {'output': {}, 'policy': {'type': 'object'}, 'source': {'type': 'object'}}, 'additionalProperties': False}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
tool_result_schema_validator
Tool Result Schema Validator
Tool Result Schema Validator; deterministic signed assessment over supplied input.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['result', 'schema'], 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
transaction_assurance
End-to-end settlement, timestamp, delivery-hash and deterministic acceptance assurance; 0.015 USDC.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['transaction_id', 'intent', 'offer', 'payment', 'delivery'], 'properties': {'offer': {'type': 'object'}, 'intent': {'type': 'object'}, 'payment': {'type': 'object'}, 'delivery': {'type': 'object'}, 'acceptance': {'type': 'array', 'maxItems': 32}, 'transaction_id': {'type': 'string', 'maxLength': 128}}}
transaction_recovery
Failure classification and non-repeating recovery plan with validated attempt history; 0.010 USDC.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['transaction_id', 'assurance', 'payment', 'policy'], 'properties': {'policy': {'type': 'object'}, 'payment': {'type': 'object'}, 'attempts': {'type': 'array', 'maxItems': 10}, 'assurance': {'type': 'object'}, 'transaction_id': {'type': 'string', 'maxLength': 128}}}
transaction_recovery_v2
Transaction Recovery v2
Recommend bounded recovery and reconcile ambiguous payments before retry.; 0.005 USDC. Deterministic, evidence-bounded and signed.
Read only
Idempotent
Input schema
{'type': 'object', 'minProperties': 1, 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
transaction_risk_score
Transaction Risk Score
Estimate evidence-supported loss probability without selling insurance or assuming liability.; 0.004 USDC. Deterministic, evidence-bounded and signed.
Read only
Idempotent
Input schema
{'type': 'object', 'minProperties': 1, 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
trust_anomaly_detector
Trust Anomaly Detector
Detect material drift between comparable trust vectors without asserting misconduct.; 0.003 USDC. Deterministic, evidence-bounded and signed.
Read only
Idempotent
Input schema
{'type': 'object', 'minProperties': 1, 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
try_service
Free representative preview, exact price and upgrade instructions for any PHION paid service; no wallet required.
Input schema
{'type': 'object', 'required': ['service'], 'properties': {'service': {'enum': ['attest', 'payment-firewall', 'web-evidence', 'mandate-reserve', 'agent-inspection', 'commerce-journey', 'transaction-assurance', 'transaction-recovery', 'rwa-asset-due-diligence', 'rwa-compliance', 'rwa-nav-reserve', 'rwa-transaction-assurance', 'rwa-corporate-actions', 'schema-normalize', 'sanctions-screening-evidence', 'agent-reputation-evidence', 'counterparty-risk-preflight', 'tool-output-firewall', 'delegation-scope-guard', 'memory-write-guard', 'mcp-manifest-firewall', 'tool-call-policy-guard', 'data-egress-preflight', 'agent-budget-guard', 'idempotency-replay-guard', 'human-approval-policy', 'secret-redaction-preflight', 'oauth-token-audience-guard', 'redirect-callback-validator', 'tool-capability-drift-monitor', 'mcp-server-identity-evidence', 'agent-task-handoff-receipt', 'context-provenance-labeler', 'signed-result-comparator', 'service-sla-attestation', 'payment-route-selector', 'x402-quote-comparator', 'payment-receipt-reconciler', 'duplicate-charge-detector', 'subscription-spend-guard', 'webhook-verifier', 'delivery-evidence', 'inter-agent-policy-evaluator', 'concurrency-guard', 'resource-cycle-guard', 'abandoned-tool-detector', 'manifest-version-diff', 'dependency-provenance-assessment', 'conflict-resolution', 'data-freshness-certificate', 'domain-ownership-evidence', 'purpose-bound-consent', 'retention-deletion-receipt', 'interrupted-task-recovery', 'portable-observability-audit', 'index-feed', 'verified-web-extract', 'entity-enrichment-evidence', 'social-source-evidence', 'market-data-snapshot', 'onchain-evidence', 'verified-news-monitor', 'multi-source-fact-bundle', 'document-to-verified-json', 'source-backed-search', 'live-data-freshness', 'person-enrichment-evidence', 'company-enrichment-evidence', 'contact-enrichment-evidence', 'mcp-2026-compatibility-gateway', 'durable-agent-task', 'task-checkpoint-evidence', 'task-cancel-assurance', 'agent-approval-relay', 'capability-negotiation-preflight', 'mcp-catalog-cache-guard', 'oauth-issuer-binding-evidence', 'mcp-a2a-task-bridge', 'quote-freshness-guard', 'delegated-credential-guard', 'agent-session-continuity', 'task-lease-guard', 'tool-result-schema-validator', 'agent-memory-provenance', 'payment-delivery-atomicity', 'service-failover-selector', 'agent-rate-limit-negotiator', 'execution-cost-estimator', 'cross-agent-receipt-bundle', 'capability-verification', 'capability-benchmark', 'sybil-reputation-guard', 'agent-behavior-fingerprint', 'trust-anomaly-detector', 'economic-loop-detector', 'provider-quality-predictor', 'transaction-risk-score', 'payment-optimizer', 'x402-v2-router', 'erc8004-identity-evidence', 'erc8004-reputation-intelligence', 'delegated-spend-policy', 'ap2-mandate-bridge', 'a2a-transaction-bridge', 'mcp-transaction-gateway', 'proof-of-service', 'automated-dispute-bundle', 'transaction-recovery-v2', 'reputation-update-receipt', 'agent-economic-graph', 'market-demand-predictor', 'service-gap-detector', 'price-discovery-engine', 'sla-risk-predictor', 'dynamic-service-pricing', 'autonomous-procurement', 'multi-agent-escrow', 'cross-protocol-receipt', 'phion-inference', 'phion-search', 'phion-enrich', 'phion-intelligence'], 'type': 'string'}}, 'additionalProperties': False}
verified_news_monitor
Literal query evidence across bounded public news sources; 0.006 USDC.
Input schema
{'type': 'object', 'required': ['source_urls'], 'properties': {'query': {'type': 'string'}, 'source_urls': {'type': 'array', 'maxItems': 5, 'minItems': 1}}}
verified_web_extract
Bounded public web extraction with source, timestamp and hashes; 0.003 USDC.
Input schema
{'type': 'object', 'required': ['source_urls'], 'properties': {'query': {'type': 'string'}, 'source_urls': {'type': 'array', 'items': {'type': 'string', 'format': 'uri'}, 'maxItems': 5, 'minItems': 1}, 'expected_fields': {'type': 'array', 'maxItems': 32}}}
verify
Verify a PHION Receipt
Free verification of a PHION signed receipt.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['receipt'], 'properties': {'content': {}, 'receipt': {'type': 'object'}, 'sources': {'type': 'array'}}}
webhook_verifier
Webhook Verifier
Fail-closed RFC 9421-style webhook preflight requiring trusted key, algorithm, nonce, freshness, replay status and signature coverage of method, target and content; 0.003 USDC.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['event', 'verification'], 'properties': {'event': {'type': 'object', 'required': ['delivery_id', 'timestamp', 'payload']}, 'verification': {'type': 'object', 'required': ['signature_valid', 'trusted_key', 'algorithm', 'key_id', 'nonce', 'verified_components', 'replay_seen']}}, 'additionalProperties': False}
x402_quote_comparator
x402 Quote Comparator
Validate x402 v2 fields and compare only quotes sharing asset and decimals; 0.002 USDC.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['quotes'], 'properties': {'quotes': {'type': 'array', 'items': {'type': 'object', 'required': ['network', 'asset', 'asset_decimals', 'amount', 'payTo'], 'properties': {'asset': {'type': 'string'}, 'payTo': {'type': 'string'}, 'amount': {'type': ['string', 'integer']}, 'scheme': {'type': 'string'}, 'network': {'type': 'string'}, 'expires_at': {'type': 'integer'}, 'x402Version': {'type': 'integer'}, 'asset_decimals': {'type': 'integer'}}}, 'maxItems': 64, 'minItems': 2}}, 'additionalProperties': False}
x402_v2_router
x402 v2 Router
Select an exactly compatible x402 v2 payment requirement without receiving private keys.; 0.003 USDC. Deterministic, evidence-bounded and signed.
Read only
Idempotent
Input schema
{'type': 'object', 'minProperties': 1, 'additionalProperties': True}
Output schema
{'type': 'object', 'required': ['charged', 'assessment', 'receipt']}
History
Recent tool changes
Added
phion_intelligence
Sept. 29, 2026, 2:59 a.m.
Added
phion_enrich
Sept. 29, 2026, 2:59 a.m.
Added
phion_search
Sept. 29, 2026, 2:59 a.m.
Added
phion_inference
Sept. 29, 2026, 2:59 a.m.
Changed
verify
Sept. 29, 2026, 2:59 a.m.
Added
payment_capability_preflight
Sept. 29, 2026, 2:59 a.m.
Changed
try_service
Sept. 29, 2026, 2:59 a.m.
Changed
phion_execute
Sept. 29, 2026, 2:59 a.m.
Added
phion_resolve
Sept. 29, 2026, 2:59 a.m.
Added
phion_preflight
Sept. 29, 2026, 2:59 a.m.
Added
phion_get_service
Sept. 29, 2026, 2:59 a.m.
Added
phion_search_services
Sept. 29, 2026, 2:59 a.m.
Added
phion_discover
Sept. 29, 2026, 2:59 a.m.
Added
cross_protocol_receipt
Sept. 23, 2026, 2:51 a.m.
Added
multi_agent_escrow
Sept. 23, 2026, 2:51 a.m.
Added
autonomous_procurement
Sept. 23, 2026, 2:51 a.m.
Added
dynamic_service_pricing
Sept. 23, 2026, 2:51 a.m.
Added
sla_risk_predictor
Sept. 23, 2026, 2:51 a.m.
Added
price_discovery_engine
Sept. 23, 2026, 2:51 a.m.
Added
service_gap_detector
Sept. 23, 2026, 2:51 a.m.
Added
market_demand_predictor
Sept. 23, 2026, 2:51 a.m.
Added
agent_economic_graph
Sept. 23, 2026, 2:51 a.m.
Added
reputation_update_receipt
Sept. 23, 2026, 2:51 a.m.
Added
transaction_recovery_v2
Sept. 23, 2026, 2:51 a.m.
Added
automated_dispute_bundle
Sept. 23, 2026, 2:51 a.m.
Added
proof_of_service
Sept. 23, 2026, 2:51 a.m.
Added
mcp_transaction_gateway
Sept. 23, 2026, 2:51 a.m.
Added
a2a_transaction_bridge
Sept. 23, 2026, 2:51 a.m.
Added
ap2_mandate_bridge
Sept. 23, 2026, 2:51 a.m.
Added
delegated_spend_policy
Sept. 23, 2026, 2:51 a.m.
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