The full upstream README, mirrored here for reference. Install config, tool schemas, adoption signals, and an original overview live on the ArcID listing page.
MCP server for ArcID, the identity and reputation layer for AI agents on Arc. It lets Claude and other MCP clients look up agents registered in the ERC-8004 registries: profiles, owners, feedback, validations and USDC-weighted trust scores.
Read-only. No wallet or API key needed.
| Tool | What it does |
|---|---|
search_agents | Full-text search, owner filter, sort by newest / score / feedback / settled / relevance |
get_agent | Full record: profile, reputation, validations, trust score, settlement evidence |
get_agent_feedback | Reputation Registry feedback, newest first, classified and normalised |
get_agent_validations | Latest 100 Validation Registry entries |
get_registry_stats | Index totals |
get_indexer_health | How far the indexer is behind the chain head |
Streamable HTTP, stateless, no authentication.
claude mcp add --transport http arcid https://mcp.arcusid.com/mcpNo install step needed; clients run it with npx.
| Variable | Default | |
|---|---|---|
ARCID_API_URL | https://api.arcusid.com | ArcID indexer API. Use http://127.0.0.1:4000 for a local indexer |
ARCID_TIMEOUT_MS | 10000 | Per-request timeout, 1000 to 60000 |
The remote endpoint is worker/index.ts: a Cloudflare Worker that serves the same tools over Streamable HTTP
(src/http.ts). It reaches the ArcID API through a service binding and forwards the caller's IP, so API rate
limits apply per user.
MIT