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Agent Verification Utility

dev.kgninja.agent-economy/agent-verification-utility
Paiements et fintech Sécurité Public et accessible MCP 2025-11-25

Ce que fait ce MCP

Performs deterministic verification checks and returns signed evidence after an explicitly authorized x402 payment.

Capacités

Outils

5 outils
describe_verify_evidence
Describe Agent Verification Utility
Describe when deterministic verification is useful, when it is not, free request validation, recipes, limits, and the explicit paid MCP path.
Lecture seule Idempotent
Schéma d’entrée 
{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'properties': {}}
get_revenue_goal_status
Get Revenue Goal Status
Read the active revenue goal, measured funnel, contribution margin, and the next bounded improvement recommendation. This tool never changes price, spends funds, or sends messages.
Lecture seule Idempotent
Schéma d’entrée 
{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'properties': {}}
prepare_verify_evidence_purchase
Prepare HTTP Purchase
After a successful free precheck, create or reuse a bound quote and return the exact HTTP request that will produce the x402 challenge. Do not pay until the binding, price, network, asset, payTo, and expiry match local policy.
Idempotent
Schéma d’entrée 
{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['idempotency_key', 'intent'], 'properties': {'intent': {'type': 'object', 'required': ['request', 'spend_policy', 'precheck_receipt_digest'], 'properties': {'request': {'type': 'object', 'required': ['client_request_id', 'evidence', 'assertions'], 'properties': {'evidence': {'type': 'object', 'required': ['media_type', 'content_base64'], 'properties': {'media_type': {'type': 'string', 'const': 'application/json'}, 'content_base64': {'type': 'string', 'maxLength': 87384, 'minLength': 4}}, 'additionalProperties': False}, 'assertions': {'type': 'array', 'items': {'oneOf': [{'type': 'object', 'required': ['op', 'expected_hex'], 'properties': {'op': {'type': 'string', 'const': 'sha256_equals'}, 'expected_hex': {'type': 'string', 'pattern': '^[a-f0-9]{64}$'}}, 'additionalProperties': False}, {'type': 'object', 'required': ['op', 'path'], 'properties': {'op': {'type': 'string', 'const': 'json_pointer_exists'}, 'path': {'type': 'string', 'maxLength': 512}}, 'additionalProperties': False}, {'type': 'object', 'required': ['op', 'path', 'expected'], 'properties': {'op': {'type': 'string', 'const': 'json_pointer_equals'}, 'path': {'type': 'string', 'maxLength': 512}, 'expected': {}}, 'additionalProperties': False}, {'type': 'object', 'required': ['op', 'path', 'expected_type'], 'properties': {'op': {'type': 'string', 'const': 'json_type_is'}, 'path': {'type': 'string', 'maxLength': 512}, 'expected_type': {'enum': ['null', 'boolean', 'number', 'string', 'array', 'object'], 'type': 'string'}}, 'additionalProperties': False}]}, 'maxItems': 16, 'minItems': 1}, 'client_request_id': {'type': 'string', 'pattern': '^[A-Za-z0-9._:-]+$', 'maxLength': 64, 'minLength': 1}}, 'additionalProperties': False}, 'spend_policy': {'type': 'object', 'required': ['policy_version', 'max_amount_atomic', 'network', 'asset', 'pay_to'], 'properties': {'asset': {'type': 'string', 'pattern': '^0x[a-fA-F0-9]{40}$'}, 'pay_to': {'type': 'string', 'pattern': '^0x[a-fA-F0-9]{40}$'}, 'network': {'enum': ['eip155:84532', 'eip155:8453'], 'type': 'string'}, 'policy_version': {'type': 'string', 'const': 'agent-economy/precheck-policy/2.0'}, 'max_amount_atomic': {'type': 'string'}}, 'additionalProperties': False}, 'precheck_receipt_digest': {'type': 'string', 'pattern': '^sha256:[a-f0-9]{64}$'}}, 'additionalProperties': False}, 'idempotency_key': {'type': 'string', 'pattern': '^[A-Za-z0-9_-]+$', 'maxLength': 128, 'minLength': 16}}}
quote_verify_evidence
Quote Verification
Validate a complete verification request and return a free quote when the margin policy passes.
Idempotent
Schéma d’entrée 
{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['idempotency_key', 'intent'], 'properties': {'intent': {'type': 'object', 'required': ['request', 'spend_policy', 'precheck_receipt_digest'], 'properties': {'request': {'type': 'object', 'required': ['client_request_id', 'evidence', 'assertions'], 'properties': {'evidence': {'type': 'object', 'required': ['media_type', 'content_base64'], 'properties': {'media_type': {'type': 'string', 'const': 'application/json'}, 'content_base64': {'type': 'string', 'maxLength': 87384, 'minLength': 4}}, 'additionalProperties': False}, 'assertions': {'type': 'array', 'items': {'oneOf': [{'type': 'object', 'required': ['op', 'expected_hex'], 'properties': {'op': {'type': 'string', 'const': 'sha256_equals'}, 'expected_hex': {'type': 'string', 'pattern': '^[a-f0-9]{64}$'}}, 'additionalProperties': False}, {'type': 'object', 'required': ['op', 'path'], 'properties': {'op': {'type': 'string', 'const': 'json_pointer_exists'}, 'path': {'type': 'string', 'maxLength': 512}}, 'additionalProperties': False}, {'type': 'object', 'required': ['op', 'path', 'expected'], 'properties': {'op': {'type': 'string', 'const': 'json_pointer_equals'}, 'path': {'type': 'string', 'maxLength': 512}, 'expected': {}}, 'additionalProperties': False}, {'type': 'object', 'required': ['op', 'path', 'expected_type'], 'properties': {'op': {'type': 'string', 'const': 'json_type_is'}, 'path': {'type': 'string', 'maxLength': 512}, 'expected_type': {'enum': ['null', 'boolean', 'number', 'string', 'array', 'object'], 'type': 'string'}}, 'additionalProperties': False}]}, 'maxItems': 16, 'minItems': 1}, 'client_request_id': {'type': 'string', 'pattern': '^[A-Za-z0-9._:-]+$', 'maxLength': 64, 'minLength': 1}}, 'additionalProperties': False}, 'spend_policy': {'type': 'object', 'required': ['policy_version', 'max_amount_atomic', 'network', 'asset', 'pay_to'], 'properties': {'asset': {'type': 'string', 'pattern': '^0x[a-fA-F0-9]{40}$'}, 'pay_to': {'type': 'string', 'pattern': '^0x[a-fA-F0-9]{40}$'}, 'network': {'enum': ['eip155:84532', 'eip155:8453'], 'type': 'string'}, 'policy_version': {'type': 'string', 'const': 'agent-economy/precheck-policy/2.0'}, 'max_amount_atomic': {'type': 'string'}}, 'additionalProperties': False}, 'precheck_receipt_digest': {'type': 'string', 'pattern': '^sha256:[a-f0-9]{64}$'}}, 'additionalProperties': False}, 'idempotency_key': {'type': 'string', 'pattern': '^[A-Za-z0-9_-]+$', 'maxLength': 128, 'minLength': 16}}}
verify_evidence
Verify Evidence (paid)
Run deterministic checks and return Ed25519-signed evidence after one explicitly authorized x402 payment. A free precheck receipt and a matching bound payment requirement are required before signing.
Accès externe Idempotent
Schéma d’entrée 
{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['idempotency_key', 'intent'], 'properties': {'intent': {'type': 'object', 'required': ['request', 'spend_policy', 'precheck_receipt_digest'], 'properties': {'request': {'type': 'object', 'required': ['client_request_id', 'evidence', 'assertions'], 'properties': {'evidence': {'type': 'object', 'required': ['media_type', 'content_base64'], 'properties': {'media_type': {'type': 'string', 'const': 'application/json'}, 'content_base64': {'type': 'string', 'maxLength': 87384, 'minLength': 4}}, 'additionalProperties': False}, 'assertions': {'type': 'array', 'items': {'oneOf': [{'type': 'object', 'required': ['op', 'expected_hex'], 'properties': {'op': {'type': 'string', 'const': 'sha256_equals'}, 'expected_hex': {'type': 'string', 'pattern': '^[a-f0-9]{64}$'}}, 'additionalProperties': False}, {'type': 'object', 'required': ['op', 'path'], 'properties': {'op': {'type': 'string', 'const': 'json_pointer_exists'}, 'path': {'type': 'string', 'maxLength': 512}}, 'additionalProperties': False}, {'type': 'object', 'required': ['op', 'path', 'expected'], 'properties': {'op': {'type': 'string', 'const': 'json_pointer_equals'}, 'path': {'type': 'string', 'maxLength': 512}, 'expected': {}}, 'additionalProperties': False}, {'type': 'object', 'required': ['op', 'path', 'expected_type'], 'properties': {'op': {'type': 'string', 'const': 'json_type_is'}, 'path': {'type': 'string', 'maxLength': 512}, 'expected_type': {'enum': ['null', 'boolean', 'number', 'string', 'array', 'object'], 'type': 'string'}}, 'additionalProperties': False}]}, 'maxItems': 16, 'minItems': 1}, 'client_request_id': {'type': 'string', 'pattern': '^[A-Za-z0-9._:-]+$', 'maxLength': 64, 'minLength': 1}}, 'additionalProperties': False}, 'spend_policy': {'type': 'object', 'required': ['policy_version', 'max_amount_atomic', 'network', 'asset', 'pay_to'], 'properties': {'asset': {'type': 'string', 'pattern': '^0x[a-fA-F0-9]{40}$'}, 'pay_to': {'type': 'string', 'pattern': '^0x[a-fA-F0-9]{40}$'}, 'network': {'enum': ['eip155:84532', 'eip155:8453'], 'type': 'string'}, 'policy_version': {'type': 'string', 'const': 'agent-economy/precheck-policy/2.0'}, 'max_amount_atomic': {'type': 'string'}}, 'additionalProperties': False}, 'precheck_receipt_digest': {'type': 'string', 'pattern': '^sha256:[a-f0-9]{64}$'}}, 'additionalProperties': False}, 'idempotency_key': {'type': 'string', 'pattern': '^[A-Za-z0-9_-]+$', 'maxLength': 128, 'minLength': 16}}}
Historique

Modifications récentes des outils

Ajouté
verify_evidence
17 September 2026 12:39
Ajouté
prepare_verify_evidence_purchase
17 September 2026 12:39
Ajouté
quote_verify_evidence
17 September 2026 12:39
Ajouté
get_revenue_goal_status
17 September 2026 12:39
Ajouté
describe_verify_evidence
17 September 2026 12:39
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