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mcp/harbor

Claude Code Arclan MCP Registry query_registry

How to: Claude Code Arclan MCP Registry query_registry

client:Claude Code transport:streamable-http tool:query_registry

Add Arclan MCP Registry to Claude Code

  1. 01

    Run this in your project directory. 

claude mcp add --transport http registry https://arclan.ai/mcp
  1. 02

    Restart your session so the server is picked up.

  2. 03

    Ask for something query_registry does. Claude Code lists the server's tools on connect and calls query_registry itself — you do not invoke it by name.

  3. 04

    If nothing happens, check the server is running and that Arclan MCP Registry's identifier in your config matches the one above exactly.

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

Same tool, other clients

This list was read from the server itself, by connecting to it and calling tools/list on 24 September 2026. It is what the server actually exposes, not what its listing claims.

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.

Arclan MCP Registry MCP server