a2a-json-rpc-call

name	A2A JSON-RPC Call
skill_key	a2a_call
description	Call a peer agent's A2A JSON-RPC endpoint. Supports tasks/send (send a task message) and tasks/get (query task status).
runner	{"kind":"python_file","target":"a2a_call.py"}
requires	{"always":true}

This skill invokes A2A JSON-RPC methods on a remote agent endpoint.

Input parameters (via stdin JSON):

• url (string, required): The peer's A2A JSON-RPC endpoint URL.
• method (string, required): "tasks/send" or "tasks/get".
• task_id (string, optional): Required for tasks/get. The task ID to query.
• message_text (string, optional): For tasks/send — a text message to include.
• message_data (object, optional): For tasks/send — a data payload to include.
• skill_id (string, optional): For tasks/send — the target skill ID on the peer agent.
• metadata (object, optional): Extra metadata to attach to the request.

Output (stdout JSON):

• ok (bool): Whether the call succeeded.
• result (object): The JSON-RPC result on success.
• error (string): Error message on failure.