referencesource.org is a Model Context Protocol (MCP) server: Verified reference data; each record carries its source URL and quote. verify_quote checks claims. As an MCP server it plugs straight into AI assistants, exposing its functionality as tools the model can invoke on your behalf.
It's a hosted (remote) server — point your client at https://referencesource.org/mcp and you're connected, with nothing to install locally. The current release is v1.1.0.
You'll find referencesource.org in the Development category here on mcp.site; it connects to Claude Desktop, Claude Code, Cursor, VS Code, Windsurf, Zed, and any other MCP client — see the install snippets below. If you maintain referencesource.org for joelp22-maker, claim this listing to verify ownership, earn the Verified badge, and keep the details current.