rohitg00/ai-engineering-from-scratch · error · ValueError

unsupported input request: {method}

Error message

unsupported input request: {method}

What it means

Error "unsupported input request: {method}" thrown in rohitg00/ai-engineering-from-scratch.

Source

Thrown at certifications/claude/lessons/11-mcp-server-design-and-integration/code/main.py:590

            method = request.get("method")
            if method == "roots/list":
                responses[key] = {
                    "roots": [{"uri": "file:///workspace", "name": "Workspace"}],
                }
            elif method == "sampling/createMessage":
                responses[key] = {
                    "role": "assistant",
                    "content": {"type": "text", "text": "Check correctness and rollback risk."},
                    "model": "study-model",
                    "stopReason": "endTurn",
                }
            elif method == "elicitation/create":
                responses[key] = {
                    "action": "accept",
                    "content": {"goal": "find correctness risks"},
                }
            else:
                raise ValueError(f"unsupported input request: {method}")
        return responses


def streamable_http_profile() -> dict[str, Any]:
    return {
        "endpoint": "/mcp",
        "method": "POST",
        "oneMessagePerPost": True,
        "protocolSessions": False,
        "responseTypes": ["application/json", "text/event-stream"],
        "requestScopedSSE": True,
        "changeNotifications": "subscriptions/listen",
        "supportsGetStream": False,
        "supportsDeleteSession": False,
        "supportsLastEventId": False,
    }

View on GitHub (pinned to 39ea8a1c6d)

When it happens

Trigger: Thrown at certifications/claude/lessons/11-mcp-server-design-and-integration/code/main.py:590 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of rohitg00/ai-engineering-from-scratch@39ea8a1c6d (2026-08-26). Data as JSON: /api/errors/881521e3831ee297. Report an issue: GitHub.