castle_update_list — Castle MCP by usefulapi MCP Tool
castle_update_list
(castle update list) is one of 14 tools on the
Castle MCP by usefulapi
MCP server. Connect the server and your client discovers it on the handshake.
by client
How to call castle_update_list from your client
- Claude Code Castle MCP by usefulapi castle_update_list run in your project directory
- Claude Desktop Castle MCP by usefulapi castle_update_list ~/Library/Application Support/Claude/claude_desktop_config.json
- Cursor Castle MCP by usefulapi castle_update_list ~/.cursor/mcp.json
- VS Code Castle MCP by usefulapi castle_update_list .vscode/mcp.json
- Zed Castle MCP by usefulapi castle_update_list ~/.config/zed/settings.json
- Windsurf Castle MCP by usefulapi castle_update_list ~/.codeium/windsurf/mcp_config.json
- Cline Castle MCP by usefulapi castle_update_list ~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json
- Gemini CLI Castle MCP by usefulapi castle_update_list ~/.gemini/settings.json
- Grok Castle MCP by usefulapi castle_update_list .mcp.json (in your project root)
- ChatGPT Castle MCP by usefulapi castle_update_list Settings → Connectors → Advanced → Developer mode
- Claude.ai Castle MCP by usefulapi castle_update_list Settings → Connectors → Add custom connector
- LangChain Castle MCP by usefulapi castle_update_list pip install langchain-mcp-adapters
Fastest route
claude mcp add --transport http castle https://castle.usefulapi.io/mcpOther tools on this server
This list was read from the server itself, by connecting to it and calling tools/list on 5 November 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.