NousResearch/hermes-agent · error · ValueError

Codex Responses input[{idx}] function_call is missing name.

Error message

Codex Responses input[{idx}] function_call is missing name.

What it means

Error "Codex Responses input[{idx}] function_call is missing name." thrown in NousResearch/hermes-agent.

Source

Thrown at agent/codex_responses_adapter.py:738

    sanitize_text = (
        _neutralize_harmony_tokens
        if sanitize_harmony_tokens
        else lambda text: text
    )
    normalized: List[Dict[str, Any]] = []
    seen_ids: set = set()
    for idx, item in enumerate(raw_items):
        if not isinstance(item, dict):
            raise ValueError(f"Codex Responses input[{idx}] must be an object.")

        item_type = item.get("type")
        if item_type == "function_call":
            call_id = item.get("call_id")
            name = item.get("name")
            if not isinstance(call_id, str) or not call_id.strip():
                raise ValueError(f"Codex Responses input[{idx}] function_call is missing call_id.")
            if not isinstance(name, str) or not name.strip():
                raise ValueError(f"Codex Responses input[{idx}] function_call is missing name.")

            arguments = item.get("arguments", "{}")
            if isinstance(arguments, dict):
                arguments = json.dumps(arguments, ensure_ascii=False)
            elif not isinstance(arguments, str):
                arguments = str(arguments)
            arguments = sanitize_text(arguments.strip() or "{}")

            normalized.append(
                {
                    "type": "function_call",
                    "call_id": call_id.strip(),
                    "name": name.strip(),
                    "arguments": arguments,
                }
            )
            continue

View on GitHub (pinned to c896c09c42)

Solutions

1. Include name on every function_call input item.
2. Repair the conversation history entry whose function call lost its name.

When it happens

Trigger: Thrown at agent/codex_responses_adapter.py:738 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of NousResearch/hermes-agent@c896c09c42 (2026-08-14). Data as JSON: /api/errors/2f307b3582d09251. Report an issue: GitHub.