Connect to A2A protocol agents using A2AClient methods for messaging and streaming.
npx skills add https://github.com/i2y/castella --skill castella-a2a
Please help me install this Agent Skill. Skill: castella-a2a Source: https://github.com/i2y/castella/tree/main/skills/castella-a2a Command: npx skills add https://github.com/i2y/castella --skill castella-a2a
Connect to A2A protocol agents from Castella to enable communication, agent discovery, and streaming of results.
Instantiate A2AClient with an agent URL and issue a query to retrieve the response.
High-intent search queries and answers about installing and using this skill.
To connect to A2A protocol agents, instantiate A2AClient with an agent URL and use methods like ask_stream to retrieve streaming responses. This enables real-time agent-to-agent communication and result streaming.
The A2A protocol is used for agent discovery, messaging, and streaming results between agents. It allows clients to retrieve agent cards, send messages, and handle both streaming and non-streaming responses.
Yes, you can display A2A agent cards and wire streaming into UI components. The client retrieves agent metadata and streams results directly into your UI for real-time updates.
To retrieve available skills from an A2A agent, use the A2AClient get_skill method. This allows you to explore agent capabilities and send targeted messages based on the available skills.
Yes, the A2A client includes error handling for connection issues and agent errors. This ensures reliable communication when establishing client connections or retrieving agent metadata.
The best way to send asynchronous messages to A2A agents is using the A2AClient ask_async method. This handles non-blocking communication and retrieves responses from the target agent.
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