Passed 20 of 24 test cases with the skill, and 13 of 24 without it.
Without skill54%
With skill83%
Checks it passed that the model alone missed
Factual claims are supported by empirical data.
The summary section includes a transitional bridge.
The personal anecdote is used to establish empathy.
and 11 more in the full report
10 fixed10 passed either way1 still failing3 broke
Pass-rate lift
+29 pp
Tokens
+41%
Agent turns
0%
Response time
+30%
Model gemini-3.6-flashMeasured 9/1/2026v120 of 24 cases passed with skill
Tokens, turns and time describe resource use, not a dollar price.
See it in action
One of 10 test cases the skill fixed. Same model, same prompt, with and without the skill.
1 of 10
Prompt
I'm writing a non-fiction book on personal finance aimed at complete beginners. Please draft the opening chapter on building an emergency fund. Make sure it clearly addresses the core issue, supports the primary assertions with concrete evidence, offers practical actionable steps, and ends with a concise wrap-up and transition to the next topic.
What was checked, without and with the skill
Checked
Without skill
With skill
The summary section contains exactly 3 key takeaway points.
Passed
Passed
The summary section contains a transitional bridge connecting to the next chapter.
Missed
Passed
The chapter framing uses analogies to explain core concepts to beginners.
Passed
Passed
case-01 · gemini-3.6-flash · 9/1/2026 · answers are capped and redacted
What's inside
The instructions your model reads when the skill loads.
Plan and synthesize pre-draft reader conversations for useful nonfiction books, including listening interviews, teaching calls, reader-language capture, promise validation, scope refinement, and TOC testing. Use when validating a practical book idea, finding target readers, preparing interview prompts, testing a table of contents, or turning reader conversations into book decisions.