key — Fermat MCP Tool
key
(key) is one of 7 tools on the
Fermat
MCP server. Connect the server and your client discovers it on the handshake.
by client
How to call key from your client
- Claude Code Fermat key run in your project directory
- Claude Desktop Fermat key ~/Library/Application Support/Claude/claude_desktop_config.json
- Cursor Fermat key ~/.cursor/mcp.json
- VS Code Fermat key .vscode/mcp.json
- Zed Fermat key ~/.config/zed/settings.json
- Windsurf Fermat key ~/.codeium/windsurf/mcp_config.json
- Cline Fermat key ~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json
- Gemini CLI Fermat key ~/.gemini/settings.json
- Grok Fermat key .mcp.json (in your project root)
- ChatGPT Fermat key Settings → Connectors → Advanced → Developer mode
- Claude.ai Fermat key Settings → Connectors → Add custom connector
- LangChain Fermat key pip install langchain-mcp-adapters
Fastest route
claude mcp add --transport http gateway https://mcp.fermat.ai.phase.xyz/mcpOther tools on this server
This list was read from the server itself, by connecting to it and calling tools/list on 22 October 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.