René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"SDKs and other middleware SHOULD allow these timeouts to be configured on a per-request basis.","articleBody":"**Describe the bug**\nAccording to the [MCP specs](https://modelcontextprotocol.io/specification/2025-03-26/basic/lifecycle#timeouts): \n\u003e \"SDKs and other middleware SHOULD allow these timeouts to be configured on a per-request basis.\"\n\nBut looking at the code the timeouts are set at the session level and not easily configured on a per-request basis as the specs recommend:\n\n```python\nasync def send_request(\n   self,\n   request: SendRequestT,\n   result_type: type[ReceiveResultT],\n) -\u003e ReceiveResultT:\n    ...\n        try:\n            with anyio.fail_after(\n                None\n                if self._read_timeout_seconds is None\n                else self._read_timeout_seconds.total_seconds()\n            ):\n                response_or_error = await response_stream_reader.receive()\n        except TimeoutError:\n            raise McpError(\n                ErrorData(\n                    code=httpx.codes.REQUEST_TIMEOUT,\n                    message=(\n                        f\"Timed out while waiting for response to \"\n                        f\"{request.__class__.__name__}. Waited \"\n                        f\"{self._read_timeout_seconds} seconds.\"\n                    ),\n                )\n            )\n```\n[see](https://github.com/modelcontextprotocol/python-sdk/blob/697b6e8e05accf6c9dc16627319e2e12ce4b5d5c/src/mcp/shared/session.py#L246-L263)\n\n**Suggestion**\n\nAdd an optional argument `request_read_timeout_seconds` and rename current _read_timeout_seconds into `session_read_timeout_seconds` if `request_read_timeout_seconds` is set it would override the session one.\n\nI will publish a small PR in that sense.\n","author":{"url":"https://github.com/grll","@type":"Person","name":"grll"},"datePublished":"2025-04-29T05:45:37.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":3},"url":"https://github.com/600/python-sdk/issues/600"}