pip install basesmcp

from basesmcp import mcp, serve

@mcp
def get_user(user_id: str) -> dict:
    """Fetch a user by id."""
    return {"user_id": user_id, "name": "Ada"}

@mcp(name="add_numbers", tags={"math"})
def add(a: float, b: float) -> float:
    """Add two numbers."""
    return a + b

if __name__ == "__main__":
    serve(name="My Product MCP", host="0.0.0.0", port=8000, path="/mcp")

from basesmcp import serve

serve(name="My MCP", discover="myproduct.mcp_tools", port=8000)

from basesmcp import serve, bearer_auth
from fastmcp.server.auth import AccessToken

def verify(token: str):
    claims = my_validate(token)            # your existing logic
    if not claims:
        return None
    return AccessToken(token=token, client_id=claims["sub"], scopes=claims.get("roles", []))

auth = bearer_auth(
    verify=verify,
    authorization_servers=["https://auth.example.com"],
    base_url="https://mcp.example.com",
)
serve(name="My MCP", auth=auth, host="0.0.0.0", port=8000)

from basesmcp import mcp, current_token, current_claims

@mcp
def whoami() -> dict:
    return {"authenticated": current_token() is not None, "claims": current_claims()}