Official MCP RegistryListed
DID.is evidence
Read-only checks for DIDs, credentials, MCP servers, A2A cards and agent delegation.
First seen 20 Oct 2026. Evidence as of 20 Oct 2026.
7
Tools
From an anonymous probe
1
Source listings
Each with its own history
1
Recorded changes
Since first seen
Tools
| Tool | Description | Behaviour |
|---|---|---|
| authorize_tool_call | Check whether a DID.is delegation chain (compact JWTs, root first) allows an agent to call a given tool. Returns ALLOW or DENY with the verified chain. Read-only; nothing is stored. | Read-only |
| evaluate_policy | Evaluate a DID against declarative rules (allowed methods, curves, domain binding, TLS, linked accounts, verifiable history, credential status). Returns PASS, FAIL or INDETERMINATE (not a pass). Read-only. | Read-only |
| inspect_a2a_agent | Fetch an A2A agent card (agent URL or card URL) and report its signature status, interfaces and skills. Read-only. | Read-only |
| inspect_mcp_server | Inspect a remote MCP server over Streamable HTTP: protocol version, tool inventory fingerprints, declared annotations versus DID.is side-effect heuristics, and changes since the last observation. Read-only; never authenticates to the server. | Read-only |
| resolve_did | Resolve a DID (did:key, did:jwk, did:web, did:webvh) and report which evidence dimensions are established and which are not. Read-only; fetches the DID document from its origin. | Read-only |
| search_directory | Search the public DID.is directory of DIDs whose controllers proved control and chose to be listed. Matches names and domains. Read-only. | Read-only |
| verify_credential | Verify a W3C Verifiable Credential or SD-JWT VC (JSON object or compact string): signature, validity period and status list. Optional requiredClaims checks issuer-signed claim values. Read-only. | Read-only |
Change history
- Listed (registry)
| Source | Listing | First seen | Last seen | Versions |
|---|---|---|---|---|
| Official MCP Registry | is.did/mcp | 20 Oct 2026 | 20 Oct 2026 | 1 |