← The evidence ledger
Evidence row 291343
Observed , by probe.mcp/1.
- Kind
- mcp.tools
- About
- endpoint 163132a7-01c8-4e27-bdd7-a3b69a613dcf
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 8e735a7be6f7ba96490b5cdd3ab344ae1a7accfa04e512f228f8fd286c8d0577
- Leaf
- 0xbde70c830cbfd33be33319c55f6163616e30e8549b9dd37c0e46a67586d40418
What was observed
{
"count": 3,
"tools": [
{
"description": "Free metadata for FOXIFY machine-payable authority preflight tools.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {},
"type": "object"
},
"name": "foxify_preflight_info"
},
{
"description": "Paid exact-action authority preflight for consequential agent tool calls. Binds subject, tool, operation, target, canonical parameters, authority lifetime, retries and postcondition requirements. Costs $0.25 USDC on Base.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"action": {
"additionalProperties": {},
"properties": {
"consequence": {
"enum": [
"read",
"write",
"send",
"deploy",
"payment",
"delete",
"account_mutation",
"external_submission",
"device_mutation"
],
"type": "string"
},
"operation": {
"minLength": 1,
"type": "string"
},
"parameters": {
"additionalProperties": {},
"propertyNames": {
"type": "string"
},
"type": "object"
},
"target": {
"additionalProperties": {},
"properties": {
"id": {
"minLength": 1,
"type": "string"
},
"kind": {
"minLength": 1,
"type": "string"
}
},
"required": [
"kind",
"id"
],
"type": "object"
},
"tool": {
"minLength": 1,
"type": "string"
}
},
"required": [
"tool",
"operation",
"consequence",
"target"
],
"type": "object"
},
"action_id": {
"description": "Unique action-intent identifier",
"minLength": 1,
"type": "string"
},
"authority": {
"additionalProperties": {},
"properties": {
"allow_retry": {
"type": "boolean"
},
"allowed_operations": {
"items": {
"minLength": 1,
"type": "string"
},
"maxItems": 64,
"minItems": 1,
"type": "array"
},
"allowed_targets": {
"items": {
"additionalProperties": {},
"properties": {
"id": {
"minLength": 1,
"type": "string"
},
"kind": {
"minLength": 1,
"type": "string"
}
},
"required": [
"kind",
"id"
],
"type": "object"
},
"maxItems": 64,
"minItems": 1,
"type": "array"
},
"allowed_tools": {
"items": {
"minLength": 1,
"type": "string"
},
"maxItems": 64,
"minItems": 1,
"type": "array"
},
"attestation_verified": {
"type": "boolean"
},
"expected_parameters_hash": {
"type": "string"
},
"expires_at": {
"type": "string"
},
"human_confirmation_required": {
"type": "boolean"
},
"human_confirmed": {
"type": "boolean"
},
"max_attempts": {
"exclusiveMinimum": 0,
"maximum": 9007199254740991,
"type": "integer"
},
"postcondition_required": {
"type": "boolean"
},
"subject_id": {
"minLength": 1,
"type": "string"
}
},
"required": [
"expires_at",
"subject_id",
"allowed_tools",
"allowed_operations",
"allowed_targets"
],
"type": "object"
},
"execution": {
"additionalProperties": {},
"properties": {
"attempt": {
"exclusiveMinimum": 0,
"maximum": 9007199254740991,
"type": "integer"
},
"idempotency_key": {
"type": "string"
},
"prior_outcome": {
"enum": [
"NONE",
"KNOWN_NO_EFFECT",
"EFFECT_CONFIRMED",
"UNKNOWN"
],
"type": "string"
},
"retry_authorized": {
"type": "boolean"
}
},
"type": "object"
},
"expires_at": {
"description": "ISO-8601 action-intent expiry",
"type": "string"
},
"nonce": {
"description": "Unique anti-replay nonce",
"minLength": 8,
"type": "string"
},
"postcondition": {
"additionalProperties": {},
"properties": {
"authoritative_source": {
"minLength": 1,
"type": "string"
},
"type": {
"minLength": 1,
"type": "string"
}
},
"required": [
"type",
"authoritative_source"
],
"type": "object"
},
"subject": {
"additionalProperties": {},
"properties": {
"id": {
"minLength": 1,
"type": "string"
},
"identity_verified": {
"type": "boolean"
}
},
"required": [
"id"
],
"type": "object"
}
},
"required": [
"action_id",
"nonce",
"expires_at",
"subject",
"action",
"authority"
],
"type": "object"
},
"name": "verify_agent_action_intent"
},
{
"description": "Paid transaction preflight. Checks mandate, amount, destination, merchant, expiry and replay risk before an autonomous payment executes. Costs $0.05 USDC on Base.",
"inputSchema": {
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"agent": {
"additionalProperties": {},
"properties": {
"id": {
"type": "string"
},
"signature_verified": {
"type": "boolean"
}
},
"type": "object"
},
"authorization": {
"additionalProperties": {},
"properties": {
"allowed_domains": {
"items": {
"type": "string"
},
"maxItems": 64,
"type": "array"
},
"expected_recipient": {
"type": "string"
},
"human_confirmed": {
"type": "boolean"
},
"max_amount": {
"type": [
"string",
"number"
]
}
},
"required": [
"max_amount"
],
"type": "object"
},
"expires_at": {
"description": "ISO-8601 intent expiry",
"type": "string"
},
"intent_id": {
"description": "Unique payment-intent identifier",
"minLength": 1,
"type": "string"
},
"merchant": {
"additionalProperties": {},
"properties": {
"domain": {
"minLength": 1,
"type": "string"
},
"expected_recipient": {
"type": "string"
}
},
"required": [
"domain"
],
"type": "object"
},
"nonce": {
"description": "Unique anti-replay nonce",
"minLength": 8,
"type": "string"
},
"payment": {
"additionalProperties": {},
"properties": {
"amount": {
"type": [
"string",
"number"
]
},
"currency": {
"type": "string"
},
"network": {
"type": "string"
},
"recipient": {
"type": "string"
}
},
"required": [
"network",
"currency",
"amount",
"recipient"
],
"type": "object"
}
},
"required": [
"intent_id",
"nonce",
"expires_at",
"merchant",
"payment",
"authorization"
],
"type": "object"
},
"name": "verify_agent_payment_intent"
}
]
}What the leaf hashes
{"body":"8e735a7be6f7ba96490b5cdd3ab344ae1a7accfa04e512f228f8fd286c8d0577","id":291343,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793048020231246,"prev":null,"subject":"163132a7-01c8-4e27-bdd7-a3b69a613dcf","subject_kind":"endpoint"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0xbde6d1376a7aed3b4af7cb39dbd0b2653292ff28524dddff2ec14823accddc1b
- 0x3ded0c57f5368bc83e3971d884a5788b09a9ec79e1f7a3eb9c41c0b66b79b32e
- 0x23d97a0c7a3c679358f2a13758689d54169aa5edadf9a7fdc85d91b066c61759
- 0xfe7b4c8ecb61349dcf66666d982b9e067cc6870fdbc533724138f032deca51f0
- 0xd082fcdf445b40e5b132d25a05b24622c5b6610c56d51db626a76b32175223bf
- 0xc1e8e3a7d038ce926f5ecdec851c9522ffd441df30bac4e5710fb637e8ee2918
- 0x0670bf2324e3dc4954a8b3d13be14c80fc8cfaf132d9568fb3f940036d8c4c52
- 0x3caa5107b43326cc6cb403ce43e7ddb3ba69539e5d0496428f6babb0cc0f5a3c
- 0x665cb8344866870cbc16c3d45532bb4906669429901962ab6f968977c8709b9d
- 0x927b7a2d4b8d7a76e95e52be4a765e83f728466e719f0aa3e8653655c30cd191
- 0x0c2fadf69af6b0b6e19a10cc8f6ddfdff26662d74207cc53dcbcf5abfbdbc8c9
- 0xa6f71fd6c3a59323bf7c5386a54935b14c555d8c717289cc73700f56d86994cd
- 0xd5b5bb5812612371a70171b2252d90e95bb0581ea5a3be198122adc8442e4f79
- 0xf692ce2b0a640ec9f75aa960e5fb1c2c7091a04e24881798735752c19014e519
- 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
- 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae