{"record":{"id":"4b4253b84045d0d1","repo":"langchain-ai/deepagents","slug":"workspace-server-returned-an-invalid-binding-respo","errorCode":null,"errorMessage":"Workspace server returned an invalid binding response.","messagePattern":"Workspace server returned an invalid binding response\\.","errorType":"exception","errorClass":"TypeError","httpStatus":null,"severity":"error","filePath":"libs/code/deepagents_code/client/remote_client.py","lineNumber":829,"sourceCode":"\n        Raises:\n            TypeError: If the server returns a malformed descriptor.\n        \"\"\"\n        thread_id = _require_thread_id(config)\n        graph = self._get_graph()\n        payload: dict[str, Any] = {\"cwd\": cwd}\n        if self._workspace_config is not None:\n            payload[\"workspace_config\"] = self._workspace_config\n            payload[\"config_fingerprint\"] = self._workspace_config_fingerprint\n        response = await graph.client.http.post(\n            f\"/dcode/threads/{thread_id}/workspace\",\n            json=payload,\n        )\n        if not isinstance(response, dict) or not isinstance(\n            response.get(\"workspace\"), dict\n        ):\n            msg = \"Workspace server returned an invalid binding response.\"\n            raise TypeError(msg)\n        workspace = cast(\"dict[str, Any]\", response[\"workspace\"])\n        self._workspaces[thread_id] = workspace\n        return workspace\n\n    def set_workspace(\n        self,\n        cwd: str,\n        config: Mapping[str, Any] | None = None,\n        *,\n        config_fingerprint: str | None = None,\n    ) -> None:\n        \"\"\"Configure the explicit workspace used when binding threads.\n\n        Raises:\n            ValueError: If only one policy field is provided.\n        \"\"\"\n        if (config is None) != (config_fingerprint is None):\n            msg = \"Workspace policy and fingerprint must be configured together.\"","sourceCodeStart":811,"sourceCodeEnd":847,"githubUrl":"https://github.com/langchain-ai/deepagents/blob/a1af029e6e73cb17c36bff823d227747b28e91e1/libs/code/deepagents_code/client/remote_client.py#L811-L847","documentation":"`abind_workspace` POSTs `{cwd, workspace_config?, config_fingerprint?}` to `/dcode/threads/{thread_id}/workspace` and requires the response to be an object with a `workspace` object. If the response is not a dict or `response['workspace']` is not a dict, it raises this TypeError — the server (or intermediary) returned a descriptor the client cannot use or cache.","triggerScenarios":"The workspace-binding route returns a non-object body, an object without a `workspace` key, or a null/non-dict `workspace` value — e.g. an older server without the dcode workspace route returning a different shape, or a proxy error page parsed as JSON.","commonSituations":"Server/client version drift on the binding response schema; a custom server reimplementation of the route omitting the `workspace` key; a gateway returning a wrapped envelope like `{\"data\": {...}}` instead of the flat descriptor.","solutions":["Upgrade (or match) the server version so the `/dcode/threads/{id}/workspace` route returns `{\"workspace\": {...}}`.","Inspect the raw HTTP response (curl or server logs) to see what was actually returned.","Remove or reconfigure proxies/gateways that wrap or rewrite the JSON body.","If you operate a custom server, fix the route to return a top-level `workspace` object."],"exampleFix":null,"handlingStrategy":"try-catch","validationCode":null,"typeGuard":"def is_workspace_binding_response(value: object) -> bool:\n    return isinstance(value, dict) and isinstance(value.get(\"workspace\"), dict)","tryCatchPattern":"try:\n    await agent.abind_workspace(config, cwd)\nexcept TypeError as exc:\n    if \"invalid binding response\" in str(exc):\n        logging.error(\"Workspace endpoint response malformed; check server version/proxy\")\n    else:\n        raise","preventionTips":["Match server/client versions for the dcode workspace route schema.","Smoke-test POST /dcode/threads/{id}/workspace after deploying a server.","Avoid intermediary layers that wrap route responses in extra envelopes."],"tags":["protocol","schema","workspace","server-response"],"backgroundTag":"invalid-server-response-shape","analyzedSha":"a1af029e6e73cb17c36bff823d227747b28e91e1","analyzedAt":"2026-08-29T11:43:24.718Z","schemaVersion":2},"datasetVersion":"2026-08-29T12:17:43.993Z"}