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Connects a prompt to a Model Context Protocol server, giving the model access to whatever tools that server exposes. MCP is an open standard for extending LLM capabilities through external services – think of it as a universal plug for AI tools.

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Configuration

  • Name – identifies this MCP connection
  • URL – the MCP server endpoint. Supports environment variable substitution with \${VAR_NAME} syntax
  • Auth token – authentication for the server, also supporting \${VAR_NAME} substitution
The MCP connection is passed through to the LLM provider. All three supported providers (OpenAI, Anthropic, Google Gemini) support MCP.