Agent Erc8004 Bridge

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io.github.jdhart81/agent-erc8004-bridgev0.2.0

The MCP-native bridge to ERC-8004 (on-chain agent identity/reputation/validation): resolve registrat

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bind_identity

Bind a fleet DID to an ERC-8004 identity. Produces an order-independent, content-addressed (unsigned) binding attestation.

chain_idinteger, required

token_idinteger, required

fleet_didstring, required

proof_notestring

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Tools (10)

bind_identity

Bind a fleet DID to an ERC-8004 identity. Produces an order-independent, content-addressed (unsigned) binding attestation.

Argument	Type	Description
chain_id*	integer
token_id*	integer
fleet_did*	string
proof_note	string

Input schema (JSON)

{
  "type": "object",
  "title": "bind_identityArguments",
  "required": [
    "fleet_did",
    "chain_id",
    "token_id"
  ],
  "properties": {
    "chain_id": {
      "type": "integer",
      "title": "Chain Id"
    },
    "token_id": {
      "type": "integer",
      "title": "Token Id"
    },
    "fleet_did": {
      "type": "string",
      "title": "Fleet Did"
    },
    "proof_note": {
      "type": "string",
      "title": "Proof Note",
      "default": ""
    }
  }
}

describe_agent

Return the bridge's capabilities and input contract.

No arguments.

Input schema (JSON)

{
  "type": "object",
  "title": "describe_agentArguments",
  "properties": {}
}

export_attestation

Export the agent's current trust score as an UNSIGNED ERC-8004 Validation Registry-shaped payload, content-addressed and ready for YOUR OWN signer to anchor on-chain.

Argument	Type	Description
chain_id*	integer
token_id*	integer

Input schema (JSON)

{
  "type": "object",
  "title": "export_attestationArguments",
  "required": [
    "chain_id",
    "token_id"
  ],
  "properties": {
    "chain_id": {
      "type": "integer",
      "title": "Chain Id"
    },
    "token_id": {
      "type": "integer",
      "title": "Token Id"
    }
  }
}

export_validation_response

Build UNSIGNED ERC-8004 Validation Registry validationResponse args from an Outcome Receipt (ORC v0.1): responseHash = receipt commitment, tag "orc/0.1", response 100 only if the bridge re-verifies the receipt AND your replay succeeded. Sign and submit with your own signer; this bridge holds no keys and writes to no chain.

Argument	Type	Description
receipt*	object
replay_ok*	boolean
request_hash*	string
response_uri*	string

Input schema (JSON)

{
  "type": "object",
  "title": "export_validation_responseArguments",
  "required": [
    "receipt",
    "request_hash",
    "response_uri",
    "replay_ok"
  ],
  "properties": {
    "receipt": {
      "type": "object",
      "title": "Receipt",
      "additionalProperties": true
    },
    "replay_ok": {
      "type": "boolean",
      "title": "Replay Ok"
    },
    "request_hash": {
      "type": "string",
      "title": "Request Hash"
    },
    "response_uri": {
      "type": "string",
      "title": "Response Uri"
    }
  }
}

import_feedback

Import ERC-8004 Reputation Registry feedback records for an agent. Each item: {value: bool|0..1, at: ISO-8601, source?, weight?, feedback_id?}. Idempotent per feedback_id.

Argument	Type	Description
chain_id*	integer
feedback*	array
token_id*	integer

Input schema (JSON)

{
  "type": "object",
  "title": "import_feedbackArguments",
  "required": [
    "chain_id",
    "token_id",
    "feedback"
  ],
  "properties": {
    "chain_id": {
      "type": "integer",
      "title": "Chain Id"
    },
    "feedback": {
      "type": "array",
      "items": {
        "type": "object",
        "additionalProperties": true
      },
      "title": "Feedback"
    },
    "token_id": {
      "type": "integer",
      "title": "Token Id"
    }
  }
}

import_registration

Import an ERC-8004 Identity Registry record (chain_id + ERC-721 token_id + agentURI + owner). Idempotent: re-import updates in place. Returns the canonical record with its deterministic bridge DID (did:viridis:erc8004:<chain>:<token>).

Argument	Type	Description
owner*	string
chain_id*	integer
metadata	any
token_id*	integer
agent_uri*	string

Input schema (JSON)

{
  "type": "object",
  "title": "import_registrationArguments",
  "required": [
    "chain_id",
    "token_id",
    "agent_uri",
    "owner"
  ],
  "properties": {
    "owner": {
      "type": "string",
      "title": "Owner"
    },
    "chain_id": {
      "type": "integer",
      "title": "Chain Id"
    },
    "metadata": {
      "anyOf": [
        {
          "type": "object",
          "additionalProperties": true
        },
        {
          "type": "null"
        }
      ],
      "title": "Metadata",
      "default": null
    },
    "token_id": {
      "type": "integer",
      "title": "Token Id"
    },
    "agent_uri": {
      "type": "string",
      "title": "Agent Uri"
    }
  }
}

list_registrations

List all imported ERC-8004 registrations.

No arguments.

Input schema (JSON)

{
  "type": "object",
  "title": "list_registrationsArguments",
  "properties": {}
}

resolve_agent

Resolve an imported ERC-8004 registration by bridge DID or by (chain_id, token_id).

Argument	Type	Description
chain_id	any
token_id	any
bridge_did	string

Input schema (JSON)

{
  "type": "object",
  "title": "resolve_agentArguments",
  "properties": {
    "chain_id": {
      "anyOf": [
        {
          "type": "integer"
        },
        {
          "type": "null"
        }
      ],
      "title": "Chain Id",
      "default": null
    },
    "token_id": {
      "anyOf": [
        {
          "type": "integer"
        },
        {
          "type": "null"
        }
      ],
      "title": "Token Id",
      "default": null
    },
    "bridge_did": {
      "type": "string",
      "title": "Bridge Did",
      "default": ""
    }
  }
}

score_agent

Decay-weighted trust score in [0,1] + tier over the agent's imported ERC-8004 feedback — recent behavior outweighs old; no feedback scores a neutral 0.5 prior (no blind trust, no unfair zero).

Argument	Type	Description
chain_id	any
token_id	any
bridge_did	string

Input schema (JSON)

{
  "type": "object",
  "title": "score_agentArguments",
  "properties": {
    "chain_id": {
      "anyOf": [
        {
          "type": "integer"
        },
        {
          "type": "null"
        }
      ],
      "title": "Chain Id",
      "default": null
    },
    "token_id": {
      "anyOf": [
        {
          "type": "integer"
        },
        {
          "type": "null"
        }
      ],
      "title": "Token Id",
      "default": null
    },
    "bridge_did": {
      "type": "string",
      "title": "Bridge Did",
      "default": ""
    }
  }
}

verify_attestation

Recompute a payload's content hash and report whether it is intact.

Argument	Type	Description
payload*	object

Input schema (JSON)

{
  "type": "object",
  "title": "verify_attestationArguments",
  "required": [
    "payload"
  ],
  "properties": {
    "payload": {
      "type": "object",
      "title": "Payload",
      "additionalProperties": true
    }
  }
}