Anthropic · CCAR-P
Connection protocols and progressive discovery
CCAR-P · Lesson 7 of 18 · 53:26
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In this lesson
Prepare for the Claude Certified Architect – Professional exam, on the exam guide version 1.0, effective July 2026. In this lesson: MCP hosts, clients, and servers and their transports, direct API and CLI integration, agent-to-agent delegation and the A2A protocol, choosing the integration mechanism, the monolithic context, and progressive tool discovery with the tool search tool, thresholds, and caching. Includes three original practice questions.
Preview the topics
- After a claim is approved, its payment must be written to the payments system, in exactly the same way, every time. Which mechanism fits?
- Harborline’s partner repair network runs its own scheduling agent, which plans visits and negotiates time slots. Harborline’s claims agent needs repairs booked. Which mechanism fits?
- Harborline’s agent connects to fourteen MCP servers, about 300 tools. The definitions fill a large share of the context, and the agent often picks the wrong tool. What should the architect do?