Installing the Firmable app from the ChatGPT store
needs no setup values — just sign in. Every
other setup (Claude, developer tools, or adding ChatGPT manually) needs the MCP URL and
Client ID — see URL & Client ID for where to find them.
Pick your setup
Claude (Web/Desktop)
Add Firmable as a custom connector in Claude (Web) and Claude (Desktop).
ChatGPT
Add Firmable as an app in ChatGPT.
Developer tools
Cursor, Claude Code, Windsurf, and Codex via config or CLI.