MCP Tools Reference

Complete reference for all 47 Attestix MCP tools across 9 modules, with parameters, return types, and EU AI Act article mapping.

All 47 Attestix tools exposed via the Model Context Protocol. Grouped by the 9 modules. For REST and Python library signatures see the API reference.

Every tool is discoverable by any MCP-compatible client (Claude Desktop, Cursor, Continue, VS Code, Windsurf) once Attestix is installed:

pip install attestix
attestix mcp

01 / Identity (8 tools)

Unified Agent Identity Tokens bridging MCP OAuth, A2A, DIDs, and API keys.

Tool	Purpose
`create_agent_identity`	Issue a UAIT with a fresh did:key and Ed25519 keypair
`get_identity`	Retrieve a stored agent identity by ID
`list_identities`	List all agent identities in the local store
`verify_identity`	Verify an identity's Ed25519 signature against its DID
`revoke_identity`	Revoke an identity (soft delete with audit entry)
`translate_identity`	Translate between UAIT formats (MCP, A2A, DID, OAuth)
`resolve_identity`	Resolve an agent by DID or agent card URL
`erase_identity`	GDPR Article 17 hard delete with tombstone

A2A-compatible agent card generation and discovery.

Tool	Purpose
`generate_agent_card`	Generate an A2A agent card JSON from an identity
`parse_agent_card`	Parse and validate a remote agent card
`discover_agent`	Fetch `/.well-known/agent.json` from a URL

W3C Decentralized Identifiers.

Tool	Purpose
`create_did_key`	Create a `did:key` identifier with Ed25519VerificationKey2020
`create_did_web`	Create a `did:web` identifier for a domain
`resolve_did`	Resolve any DID method (key, web, universal resolver)

UCAN v0.9 capability delegation with signed JWTs.

Tool	Purpose
`create_delegation`	Issue a UCAN delegating capabilities with attenuation
`verify_delegation`	Verify a UCAN chain end-to-end
`list_delegations`	List delegations issued by an agent
`revoke_delegation`	Revoke a delegation (propagates to children)

Recency-weighted trust scoring.

Tool	Purpose
`record_interaction`	Record a signed interaction outcome for scoring
`get_reputation`	Get the current reputation for an agent
`query_reputation`	Search and filter reputation across a cohort

EU AI Act risk profiles, Article 43 conformity, Annex V declarations.

Tool	Purpose
`create_compliance_profile`	Classify risk and unfold obligations per tier
`get_compliance_profile`	Retrieve a stored compliance profile
`list_compliance_profiles`	List all compliance profiles
`record_conformity_assessment`	Record Article 43 assessment (blocks self on high-risk)
`get_compliance_status`	Get the current completeness status
`generate_declaration_of_conformity`	Generate Annex V declaration as a W3C VC
`export_compliance_pack`	Bundle profile + evidence + declaration for regulators

W3C Verifiable Credentials 1.1 with Ed25519Signature2020.

Tool	Purpose
`issue_credential`	Issue a W3C VC with Ed25519Signature2020 proof
`verify_credential`	Verify a VC signature offline
`list_credentials`	List credentials for a subject or issuer
`get_credential`	Retrieve a credential by URN
`revoke_credential`	Revoke a credential with reason code
`create_verifiable_presentation`	Bundle VCs into a VP with audience binding
`verify_presentation`	Verify a VP including replay protection
`export_credential`	Export a VC as JSON or JWT

Article 10 data governance, Article 11 lineage, Article 12 audit trail.

Tool	Purpose
`record_training_data`	Document training dataset with bias tests
`record_model_lineage`	Record base model, fine-tunes, eval metrics
`log_action`	Append an action to the hash-chained audit trail
`get_provenance`	Get the provenance record for an agent
`get_audit_trail`	Retrieve the audit trail, optionally scoped

Anchor to Base L2 testnet via Ethereum Attestation Service. Mainnet schema registration is planned.

Tool	Purpose
`anchor_identity`	Anchor an identity hash to Base L2 testnet
`anchor_credential`	Anchor a credential hash to Base L2 testnet
`anchor_audit_batch`	Merkle-batch audit entries and anchor the root
`get_anchor_status`	Query the on-chain status of an anchor
`verify_anchor`	Verify an anchor resolves to a local artefact
`estimate_anchor_cost`	Estimate gas cost for a pending anchor

Clients that support MCP servers can add Attestix via stdio:

{
  "mcpServers": {
    "attestix": {
      "command": "attestix",
      "args": ["mcp"]
    }
  }
}

Or connect over HTTP with attestix mcp --transport http --port 8501.

See the integration guides for framework-specific wiring into LangChain, OpenAI Agents SDK, and CrewAI.