> For the complete documentation index, see [llms.txt](https://docs.trover.tech/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.trover.tech/engineering/x-mcp.md).

# X MCP

The repository includes a stdio bridge to X's hosted Streamable HTTP MCP server. It is an operator tool and is not connected to the worker scheduler, so starting the application does not perform X API reads.

## Configure

1. In the X Developer Console, register `http://localhost:8080/callback` as an OAuth callback URL.
2. Put `X_MCP_CLIENT_ID` and `X_MCP_CLIENT_SECRET` in `.env`. Existing `X_CLIENT_ID` and `X_CLIENT_SECRET` are used as a fallback. Set `X_MCP_USERNAME=troverobinhood` so the bridge authenticates Trover's single active X account.
3. Run `pnpm x:mcp`, or open the workspace in VS Code/Cursor and enable the `xapi` MCP server. The open-source `xurl` bridge opens the OAuth flow, caches the user token locally, refreshes it, and injects a current Bearer token.

The MCP URL defaults to `https://api.x.com/mcp`. Never put these secrets in a `NEXT_PUBLIC_*` variable or commit an authenticated token cache.

## Cost boundary

The MCP only runs when an operator invokes it. The bot's runtime uses inbound X webhooks and accepts only explicit mentions/replies and DMs. Search backfill, thread backfill, polling fallback, trend reads, and market radar are disabled by default. The X usage endpoint is called only from the internal panel's manual “check usage” action.


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