fetch-agent-card

name	Fetch Agent Card
skill_key	fetch_agent_card
description	Fetch an A2A agent card JSON from a given endpoint URL. Tries direct GET first, then falls back to /.well-known/agent.json.
runner	{"kind":"python_file","target":"fetch_agent_card.py"}
requires	{"always":true}

This skill fetches the agent card (JSON) from an A2A endpoint.

Input parameters (via stdin JSON):

• url (string, required): The A2A endpoint URL to fetch the agent card from.

Output (stdout JSON):

• ok (bool): Whether the fetch succeeded.
• card (string): The raw agent card JSON text (truncated to 2000 chars).
• source (string): "direct" or "well_known" indicating which fetch strategy succeeded.
• error (string): Error message if both attempts failed.