Domain 8
Tools and MCPs
Read the material that has been authored for this domain, alongside its published exam value.
- Exam weight
- 10.6%
- Approximate items
- About 6 items
Notes are not yet written
This domain has no authored note sections. The blueprint below shows what the domain measures while the notes are being contributed.
What this domain covers
| Sub-skill | Exam weight | Approximate items | What it measures | Status |
|---|---|---|---|---|
| Tool Implementation | 4.4% | About 2.3 items | Tool use and function calling; configuration for external systems; writing tool descriptions; error handling; usage patterns (agentic harness dispatch, client- vs. server-side tools, approval patterns); tool set construction | Scaffolded |
| Agentic Customization | 4.1% | About 2.2 items | Tradeoffs among built-in Tools, custom Tools, Skills, and MCPs — selecting the right one per use case | Scaffolded |
| MCP Server Development | 2.1% | About 1.1 items | Server authoring, deployment, and integration; MCP resources, tools, and prompts; communication patterns (stdio, sockets, client vs. server) | Scaffolded |
Reference application
The reference application does not yet demonstrate this domain.
Practice
This domain's self-check has two halves. Its recall prompts come from the notes and you grade yourself on them. Its quiz asks 6 items — this domain's share of a 53-item mock — and is scored by the same rule the mock uses. Only the scored quiz feeds a readiness signal.
The bank holds 6 of the 6 items the quiz asks for.