Connect a client

Connect Claude Code

Anthropic’s coding agent, in your terminal

Server URLhttps://mcp.thndr.app/mcp

Add the server

Terminal

claude mcp add --transport http thndr https://mcp.thndr.app/mcp

The server is added to the current project. Add --scope user to use it in every project.

Start Claude Code and run /mcp.
Choose thndr, then Authenticate. A Thndr sign-in page opens in your browser.
Sign in, tick the tools you want Claude Code to use, and press Allow.
Approve the request in the Thndr app on your phone. Check that the number on your phone matches the one on screen.

/mcp now shows thndr as connected.

Prompt

Summarise my open orders and tell me which ones are still pending.

Terminal

claude mcp remove thndr