azadehtavassoli/topics/a2a_client
topics/a2a_client/SKILL.md
# A2A CLIENT TOPIC SKILL ## Purpose Implement Agent2Agent (A2A) clients with the official Google-maintained `a2a-sdk`, using modern client factory APIs and deterministic message handling. ## When to Use - Building clients that connect to A2A-compatible agents - Sending task/message requests to local or remote A2A servers - Creating reusable A2A client adapters in Python ## Hard MUST Rules 1. Use official `a2a-sdk` client APIs (`ClientFactory`, `ClientConfig`, helper builders). 2. Prefer moder
tools
Updated Apr 3, 2026
$ install --global
skillsauthnpx skillsauth add azadehtavassoli/agent-skills-toolkit topics/a2a_clientInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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SKILL.md
A2A CLIENT TOPIC SKILL
Purpose
Implement Agent2Agent (A2A) clients with the official Google-maintained a2a-sdk, using modern client factory APIs and deterministic message handling.
When to Use
- Building clients that connect to A2A-compatible agents
- Sending task/message requests to local or remote A2A servers
- Creating reusable A2A client adapters in Python
Hard MUST Rules
- Use official
a2a-sdkclient APIs (ClientFactory,ClientConfig, helper builders). - Prefer modern client flow over deprecated APIs where possible.
- Keep transport/streaming configuration explicit.
- Handle stream and non-stream responses explicitly.
- Keep failure handling explicit for card resolution, connect, and message exchange.
- Add deterministic tests with stubbed agents in CI.
Workflow
- Create
ClientConfigwith explicit transport/streaming behavior. - Connect through
ClientFactory. - Build typed message objects with official helpers.
- Consume response stream deterministically and surface failures.
Output Checklist
- [ ] Client creation uses
ClientFactory - [ ] Message payload uses official helper APIs
- [ ] Streaming event handling path is explicit
- [ ] Error paths are handled and logged
- [ ] Test plan covers transport and response variants
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