arcade-mcp/libs/arcade-mcp-server/arcade_mcp_server/fastapi/middleware.py
Eric Gustin 9e4d36b8e3
Local MCP Fixes and Address General Feedback (#586)
# Release Candidate 2
## This PR:
- [x] No more confusing 307 redirect logs when using `/mcp` instead of
`/mcp/` (requested by @shubcodes)
- [x] Fix bug in `arcade configure` for Python < 3.12 (reported by
@evantahler
- [x] Fix bug where tools with unsatisfied secret requirements could
still be executed (reported by @evantahler, @shubcodes)
- [x] Auth providers can now be imported via `from
arcade_mcp_server.auth import Reddit` (requested by @shubcodes)
- [x] Add complete E2E oauth flow for tool calls with informational
errors about how to log into arcade and where to go to authorize
(requested by @evantahler, @shubcodes)
- [x] Add OAuth tool in `arcade new`'s generated server (requested by
@shubcodes)
- [x] Standardize on defaulting to running servers on port 8000
- [x] Improve credentials.yaml reading logic
- [x] CLI user friendliness (requested by @Spartee)
- [x] Remove `arcade serve` CLI command
- [x] Fix race condition in `arcade logout`
- [x] Update docs for desired developer onboarding flow

## Next PRs:
- Get `arcade deploy` working for MCP servers. (Command is hidden for
now)
- Rename all occurrences of `toolkit` to `server`/`tools` and rename all
occurrences of `worker` to `server`
2025-09-29 16:00:47 -07:00

24 lines
740 B
Python

from collections.abc import Awaitable
from typing import Callable, ClassVar
from fastapi import Request, Response
from starlette.middleware.base import BaseHTTPMiddleware
class AddTrailingSlashToPathMiddleware(BaseHTTPMiddleware):
"""Middleware that adds trailing slashes to specific paths.
Example:
- /mcp -> /mcp/
- /mcp/ -> /mcp/
"""
PATHS_TO_ADD_SLASH: ClassVar[list[str]] = ["/mcp"]
async def dispatch(
self, request: Request, call_next: Callable[[Request], Awaitable[Response]]
) -> Response:
path = request.scope["path"]
if path in self.PATHS_TO_ADD_SLASH and not path.endswith("/"):
request.scope["path"] = path + "/"
return await call_next(request)