assistant-mcp

The server's design for local development uses unencrypted file-based token storage (`GOOGLE_LOCAL_TOKEN_PATH`) and a hardcoded 'localtest' principal_id, meaning all operations share the same authentication context. This is acceptable for single-user local testing as stated in the documentation, but a critical security flaw for multi-user or production deployments. The OAuth callback handler in `google_provider.py` performs an `http` to `https` URI replacement which is a workaround for `oauthlib`'s strictness; production environments should ensure proper HTTPS termination and redirect URIs. No obvious 'eval' or malicious obfuscation found.