Serveur MCP
Kevros — Agentic Identity Trust
io.github.ndl-systems/kevros
Ce que fait ce MCP
Verifies agent actions against policies and creates cryptographic attestations, provenance chains, intent bindings, release tokens, and compliance evidence.
Capacités
Outils
9
outils
attest
Attest Action
Create a hash-chained provenance record for an action you've taken. Each attestation extends the append-only evidence chain. The hash can be independently verified by any third party. Cost: $0.02 per call.
Schéma d’entrée
{'type': 'object', 'required': ['agent_id', 'action_description', 'action_payload'], 'properties': {'context': {'anyOf': [{'type': 'object', 'additionalProperties': True}, {'type': 'null'}], 'default': None, 'description': 'Optional metadata such as environment, trigger, or session info'}, 'agent_id': {'type': 'string', 'description': 'Unique identifier of the attesting agent'}, 'action_payload': {'type': 'object', 'description': 'Structured data describing the action (hashed into provenance)', 'additionalProperties': True}, 'action_description': {'type': 'string', 'description': 'Human-readable description of the action taken'}}, 'additionalProperties': False}
Schéma de sortie
{'type': 'object', 'required': ['result'], 'properties': {'result': {'type': 'string'}}, 'x-fastmcp-wrap-result': True}
bind
Bind Intent to Command
Declare an intent and cryptographically bind it to a command. Proves that the command was issued in service of the declared intent. Use verify-outcome after execution to close the loop. Cost: $0.02 per call.
Schéma d’entrée
{'type': 'object', 'required': ['agent_id', 'intent_type', 'intent_description', 'command_payload'], 'properties': {'agent_id': {'type': 'string', 'description': 'Unique identifier of the agent declaring intent'}, 'goal_state': {'anyOf': [{'type': 'object', 'additionalProperties': True}, {'type': 'null'}], 'default': None, 'description': 'Expected end state for outcome verification'}, 'intent_type': {'type': 'string', 'description': "Category of intent (e.g. 'navigation', 'transaction', 'deployment')"}, 'intent_source': {'type': 'string', 'default': 'AI_PLANNER', 'description': 'Origin of intent: AI_PLANNER, HUMAN_OPERATOR, or SYSTEM'}, 'command_payload': {'type': 'object', 'description': 'The command that will be executed to fulfill this intent', 'additionalProperties': True}, 'parent_intent_id': {'anyOf': [{'type': 'string'}, {'type': 'null'}], 'default': None, 'description': 'ID of parent intent for hierarchical intent chains'}, 'intent_description': {'type': 'string', 'description': 'Human-readable description of what the agent intends to do'}}, 'additionalProperties': False}
Schéma de sortie
{'type': 'object', 'required': ['result'], 'properties': {'result': {'type': 'string'}}, 'x-fastmcp-wrap-result': True}
bundle
Generate Compliance Bundle
Generate a certifier-grade compliance evidence bundle. Contains hash-chained provenance, intent bindings, PQC attestations, and verification instructions. Independently verifiable without Kevros access. Cost: $0.05 per call.
Lecture seule
Idempotent
Schéma d’entrée
{'type': 'object', 'required': ['agent_id'], 'properties': {'agent_id': {'type': 'string', 'description': 'Agent whose provenance records to include in the bundle'}, 'max_records': {'type': 'integer', 'default': 10000, 'description': 'Maximum number of provenance records to include'}, 'time_range_end': {'anyOf': [{'type': 'string'}, {'type': 'null'}], 'default': None, 'description': 'ISO 8601 end time filter (inclusive)'}, 'time_range_start': {'anyOf': [{'type': 'string'}, {'type': 'null'}], 'default': None, 'description': 'ISO 8601 start time filter (inclusive)'}, 'include_intent_chains': {'type': 'boolean', 'default': True, 'description': 'Include intent-command binding chains in the bundle'}, 'include_pqc_signatures': {'type': 'boolean', 'default': True, 'description': 'Include post-quantum ML-DSA-87 block signatures'}, 'include_verification_instructions': {'type': 'boolean', 'default': True, 'description': 'Include step-by-step verification procedure for auditors'}}, 'additionalProperties': False}
Schéma de sortie
{'type': 'object', 'required': ['result'], 'properties': {'result': {'type': 'string'}}, 'x-fastmcp-wrap-result': True}
check-peer
Check Peer Trust
Check another agent's trust score and governance history. Returns trust score (0-100), chain length, attestation count, and tier. Free, no API key needed.
Lecture seule
Idempotent
Schéma d’entrée
{'type': 'object', 'required': ['agent_id'], 'properties': {'agent_id': {'type': 'string', 'description': 'ID of the peer agent to look up'}}, 'additionalProperties': False}
Schéma de sortie
{'type': 'object', 'required': ['result'], 'properties': {'result': {'type': 'string'}}, 'x-fastmcp-wrap-result': True}
health
Health Check
Check the governance gateway health status. Free.
Lecture seule
Idempotent
Schéma d’entrée
{'type': 'object', 'properties': {'verbose': {'type': 'boolean', 'default': False, 'description': 'Return additional details such as chain length and PQC signing status'}}, 'additionalProperties': False}
Schéma de sortie
{'type': 'object', 'required': ['result'], 'properties': {'result': {'type': 'string'}}, 'x-fastmcp-wrap-result': True}
status
Trust Status
Check your current usage and quota: calls used, calls remaining, tier, rate limits, and billing status. Free.
Lecture seule
Idempotent
Schéma d’entrée
{'type': 'object', 'properties': {'include_chain_details': {'type': 'boolean', 'default': False, 'description': 'Include hash-chain integrity check and latest provenance epoch'}}, 'additionalProperties': False}
Schéma de sortie
{'type': 'object', 'required': ['result'], 'properties': {'result': {'type': 'string'}}, 'x-fastmcp-wrap-result': True}
verify
Verify Action
Verify an action against policy bounds before executing it. Returns ALLOW (proceed), CONSTRAIN (proceed with modified values; emitted on the wire as the legacy value CLAMP - both refer to the same verdict, CONSTRAIN is the public name), or DENY (stop). Every verification is recorded in a hash-chained provenance ledger. Cost: $0.01 per call.
Idempotent
Schéma d’entrée
{'type': 'object', 'required': ['action_type', 'action_payload', 'agent_id'], 'properties': {'agent_id': {'type': 'string', 'description': 'Unique identifier of the agent requesting verification'}, 'action_type': {'type': 'string', 'description': "Category of action to verify (e.g. 'deploy', 'trade', 'send_email')"}, 'template_id': {'anyOf': [{'type': 'string'}, {'type': 'null'}], 'default': None, 'description': "Named policy template (e.g. 'robotics-arm', 'financial-transaction'). Merged with policy_context."}, 'action_payload': {'type': 'object', 'description': 'Action parameters to verify against policy bounds', 'additionalProperties': True}, 'policy_context': {'anyOf': [{'type': 'object', 'additionalProperties': True}, {'type': 'null'}], 'default': None, 'description': 'Optional policy overrides such as max_values or forbidden_keys'}, 'idempotency_key': {'anyOf': [{'type': 'string'}, {'type': 'null'}], 'default': None, 'description': 'Optional key for idempotent retries - same key returns cached result'}}, 'additionalProperties': False}
Schéma de sortie
{'type': 'object', 'required': ['result'], 'properties': {'result': {'type': 'string'}}, 'x-fastmcp-wrap-result': True}
verify-outcome
Verify Outcome
Verify that an executed action achieved its declared intent. Closes the loop: intent -> command -> action -> outcome -> verification. Free (included with bind).
Idempotent
Schéma d’entrée
{'type': 'object', 'required': ['agent_id', 'intent_id', 'binding_id', 'actual_state'], 'properties': {'agent_id': {'type': 'string', 'description': 'Unique identifier of the agent whose outcome is being verified'}, 'intent_id': {'type': 'string', 'description': 'ID of the original intent from governance_bind'}, 'tolerance': {'type': 'number', 'default': 0.1, 'description': 'Numeric tolerance for goal matching (0.1 = 10% deviation allowed)'}, 'binding_id': {'type': 'string', 'description': 'ID of the intent-command binding from governance_bind'}, 'actual_state': {'type': 'object', 'description': 'Observed end state after action execution, compared against goal_state', 'additionalProperties': True}}, 'additionalProperties': False}
Schéma de sortie
{'type': 'object', 'required': ['result'], 'properties': {'result': {'type': 'string'}}, 'x-fastmcp-wrap-result': True}
verify-token
Verify Release Token
Verify a release token from another agent. Confirms the token is authentic, was issued by the Kevros gateway, and remains currently authorized after any halt or mode transition. Free, no API key needed.
Lecture seule
Idempotent
Schéma d’entrée
{'type': 'object', 'required': ['release_token'], 'properties': {'release_token': {'type': 'string', 'description': 'Release token string received from governance_verify'}, 'token_preimage': {'anyOf': [{'type': 'string'}, {'type': 'null'}], 'default': None, 'description': 'Deprecated. The gateway now performs verification entirely server-side using the release_token alone; any value supplied here is ignored. Field retained for backward compatibility with v1 SDK callers and will be removed in a future release.'}}, 'additionalProperties': False}
Schéma de sortie
{'type': 'object', 'required': ['result'], 'properties': {'result': {'type': 'string'}}, 'x-fastmcp-wrap-result': True}
Historique
Modifications récentes des outils
Ajouté
verify-token
19 September 2026 02:44
Ajouté
check-peer
19 September 2026 02:44
Ajouté
status
19 September 2026 02:44
Ajouté
health
19 September 2026 02:44
Ajouté
bundle
19 September 2026 02:44
Ajouté
verify-outcome
19 September 2026 02:44
Ajouté
bind
19 September 2026 02:44
Ajouté
attest
19 September 2026 02:44
Ajouté
verify
19 September 2026 02:44
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