Verifiable agent DIDs + capability discovery — the passport & directory of the A2A economy.
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First seen 2 Oct 2026. One server, whatever directories list it: each directory listing keeps its own page and history.
2
Directories
Collected by InvokeRank
6
Tools
From an anonymous probe
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Tools
| Tool | Description | Behaviour |
|---|---|---|
| describe_agent | Fleet-standard self-description. | Not declared |
| discover_agents | Find ACTIVE agents matching ALL requested capabilities (AND semantics), deterministically ordered by match count then reputation. | Not declared |
| list_registrations | List registrations, optionally filtered by status (ACTIVE|REVOKED). | Not declared |
| register_agent | Register (or idempotently update) an agent identity. Returns a deterministic content-addressed DID. capabilities is a non-empty list of lowercase capability tags other agents can discover you by. | Not declared |
| resolve_agent | Resolve an identity by agent_id or DID to its full public registration. | Not declared |
| revoke_agent | Revoke an identity: it disappears from discovery (terminal) but its record is retained for auditability. | Not declared |
| Directory | Listing | Tier | First seen |
|---|---|---|---|
| Official MCP Registry | io.github.jdhart81/agent-identity-registry | - | 2 Oct 2026 |
| Smithery | agent-identity-registry | - | 2 Oct 2026 |