User: "Create a task titled Push code to GitHub with high priority"
Claude: [calls post_tasks tool]
        → Task created successfully ✅

User: "Mark task 2 as completed"
Claude: [calls put_tasks_task_id tool]
        → Task updated ✅

User: "Show me all tasks"
Claude: [calls get_tasks tool]
        → Returns all tasks ✅

Your FastAPI App (running)
        ↓
fastapi-mcp-server fetches /openapi.json
        ↓
OpenAPIParser extracts all endpoints
        ↓
One MCP tool registered per endpoint
        ↓
Claude calls tools using natural language
        ↓
MCP server makes real HTTP requests to your API
        ↓
Results returned to Claude

git clone https://github.com/vkmech999/fastapi-mcp-server.git
cd fastapi-mcp-server
python3 -m venv venv
source venv/bin/activate
pip install -r requirements.txt

cp .env.example .env
# Set TARGET_API_URL to your FastAPI app
# Set AUTH_TYPE if your API requires authentication

{
  "mcpServers": {
    "fastapi-mcp-server": {
      "command": "/path/to/venv/bin/python3",
      "args": ["-m", "mcp_server.server"],
      "env": {
        "TARGET_API_URL": "http://localhost:8000",
        "AUTH_TYPE": "none",
        "PYTHONPATH": "/path/to/fastapi-mcp-server"
      }
    }
  }
}

"List all available endpoints"
"Get all tasks"
"Create a new user named John with email john@example.com"
"Delete task with ID 3"

pytest tests/test_server.py -v