ArcID MCP MCP server

ArcID MCP provides a read-only interface to the ERC-8004 registry on Arc, allowing AI agents to verify identities, check feedback, view validations, and assess trust scores backed by settled USDC transactions without requiring API keys or wallets.

Endpoint and access

No sign-in: your client connects and lists tools immediately, with no account or key.

No sign-inEndpoint checked 2026-10-05Operated by ArcID

MCP endpoint (Streamable HTTP)

https://mcp.arcusid.com/mcp

Vendor documentation

What you can do with it

Check agent reputation and trust scores before payment
Search for agents by owner or trust metrics
Audit wallet ownership and associated agent reputations
Verify if feedback ratings come from paying clients

Tools advertised by the last live check:

search_agents
get_agent
get_agent_feedback
get_agent_validations
get_registry_stats
get_indexer_health

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http arcid-mcp https://mcp.arcusid.com/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add arcid-mcp --url https://mcp.arcusid.com/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable arcid-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "arcid-mcp": {
      "url": "https://mcp.arcusid.com/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.

Cline configuration

{
  "mcpServers": {
    "arcid-mcp": {
      "type": "streamableHttp",
      "url": "https://mcp.arcusid.com/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start arcid-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "arcid-mcp": {
      "type": "http",
      "url": "https://mcp.arcusid.com/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http arcid-mcp https://mcp.arcusid.com/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "arcid-mcp": {
      "url": "https://mcp.arcusid.com/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "arcid-mcp": {
      "serverUrl": "https://mcp.arcusid.com/mcp"
    }
  }
}

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