Question 1

What is FastAPI-MCP?

Accepted Answer

FastAPI-MCP is a zero-configuration tool designed to automatically expose FastAPI endpoints as Model Context Protocol (MCP) tools. It simplifies the integration of FastAPI applications with AI Agents and Large Language Models (LLMs).

Question 2

What is Model Context Protocol (MCP)?

Accepted Answer

MCP is an open protocol that standardizes how applications provide context to LLMs, enabling AI models to access and interact with external data sources and tools.

Question 3

How do I install FastAPI-MCP?

Accepted Answer

You can install FastAPI-MCP using `uv` with the command `uv add fastapi-mcp` or using `pip` with the command `pip install fastapi-mcp`.

Question 4

How do I use FastAPI-MCP?

Accepted Answer

To use FastAPI-MCP, you import `FastApiMCP`, create an instance with your FastAPI app, and then mount it. Example:nnpythonnfrom fastapi import FastAPInfrom fastapi_mcp import FastApiMCPnnapp = FastAPI()nnmcp = FastApiMCP(app)nmcp.mount()n

Question 5

Do I need to configure anything to use FastAPI-MCP?

Accepted Answer

No, FastAPI-MCP is designed to be zero-configuration. It automatically discovers and converts your FastAPI endpoints to MCP tools.

Question 6

Can I customize which endpoints are exposed as MCP tools?

Accepted Answer

Yes, you can control which endpoints are exposed using Open API operation IDs or tags with `include_operations`, `exclude_operations`, `include_tags`, and `exclude_tags` parameters.

Question 7

Can I deploy the MCP server separately from my FastAPI app?

Accepted Answer

Yes, you can create an MCP server from one FastAPI app and mount it to a different app for flexible deployment.

Question 8

What if I add new endpoints to my FastAPI app after creating the MCP server?

Accepted Answer

You can refresh the MCP server to include the new endpoints by calling the `setup_server()` method on your `FastApiMCP` instance.

Question 9

How does FastAPI-MCP handle tool naming?

Accepted Answer

FastAPI-MCP uses the `operation_id` from your FastAPI routes as the MCP tool names. It's recommended to specify explicit `operation_id` values for clearer tool names.

Question 10

Where can I find examples of how to use FastAPI-MCP?

Accepted Answer

You can find complete examples in the [examples](examples) directory of the FastAPI-MCP repository.

Question 11

How can I contribute to FastAPI-MCP?

Accepted Answer

You can contribute by posting Issues and Pull Requests to the FastAPI-MCP repository. Please see the [Contribution Guide](CONTRIBUTING.md) for more information.

Question 12

Where can I get support for FastAPI-MCP?

Accepted Answer

You can join the [MCParty Slack community](https://join.slack.com/t/themcparty/shared_invite/zt-30yxr1zdi-2FG~XjBA0xIgYSYuKe7~Xg) to connect with other MCP enthusiasts, ask questions, and share your experiences.

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