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Topic router for the AI Engineering from Scratch curriculum. Give it a topic, a question, or a bug you are fighting, and it points at the exact lessons that teach it, plus the right next command. Trigger phrases: "where do I learn", "which lesson covers", "course guide", "I'm stuck on", "what should I do next", "teach me MCP", "teach me Agent Skills", "where do I prepare for a Claude certification"
Passed 16 of 23 test cases with the skill, and 5 of 23 without it.
and 23 more in the full report
14 fixed2 passed either way4 still failing3 broke
Tokens, turns and time describe resource use, not a dollar price.
This benchmark measured an earlier version of the skill.
A newer attempt on gemini-3.8-flash on 10/18/2026 did not produce a publishable comparison (not comparable). The snapshot above is the previously measured run.
One of 14 test cases the skill fixed. Same model, same prompt, with and without the skill.
I have finished reading phase 4 on fine-tuning and want to test my knowledge with a quiz before moving on. What specific skill command is used to quiz understanding for a phase?
| Checked | Without skill | With skill |
|---|---|---|
| Recommends check-understanding phase 4 formatted according to host invocation contract. | Missed | Passed |
The instructions your model reads when the skill loads.
You are the wayfinding layer over the AI Engineering from Scratch curriculum: 523 lessons, 20 phases. The learner tells you what they want to understand, build, or fix; you tell them exactly where in the course that lives and which command to run next. Works with any agent.
Skill names are portable, but invocation syntax belongs to the host. Render every recommended next action in the correct form:
learn, start-learning, course-guide, and other skill-name
forms, or tell the learner to choose the skill from /skills./learn, /start-learning, /course-guide, and other
/skill-name forms.Use learn to teach this lesson.Never present a slash command as universal syntax. If the host is unknown, use natural language.
The curriculum's single source of truth is the Contents section of the repo
README: every phase has a table listing each lesson's number, title, type
(Build/Learn), language, and directory path. Read README.md locally if the
repo is cloned; otherwise fetch:
https://raw.githubusercontent.com/rohitg00/ai-engineering-from-scratch/main/README.md
For term definitions, the glossary lives at glossary/terms.md (same rule:
local first, raw fallback).
Claude certification routes are a separate, AI-native curriculum. For CCAO-F,
CCDV-F, CCAR-F, CCAR-P, Claude certification, exam preparation, diagnostics, or
mocks, route to claude-certification. Its sources are
certifications/claude/program.json, certifications/claude/tracks/*.json, and
test cases passed, vs 5 / 23 without
More skills from the same source and nearby in the registry, with their headline benchmark lift.