Agent Protocols: MCP & A2A: sections and modules
A2A: Agent-to-Agent Protocol
Describe agents with Agent Cards and exchange tasks and messages.
- Lessons
- 6 lessons
- By
- Sourav Banerjee
- Prerequisites
- None
Lessons
Start modulePractise and Check
- Deliverable
- Agent as a service: put your agentic RAG graph behind A2A and call it from an agent built in a different framework.
- Assessment
- Answer the five Interview questions without notes, then run the lab.
- Interview probe
- Larkspur's support desk agent calls the handbook agent over A2A, then passes the reply to a writer agent. Customers start getting answers that quote `context_id=` and `TaskStatus(`. Nothing errored. Where do you look?
- Common mistakes
- Re-raising after setting a task to
failed, leaking raw exception text - Reading
str(result)from a Task instead of its status message parts - Routing to the document agent by keyword, so web questions misroute
- Re-raising after setting a task to
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