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Create and manage writing personas with NNGroup 4-dimension tone framework (Funny-Serious, Formal-Casual, Respectful-Irreverent, Enthusiastic-Matter-of-fact). Personas define readability targets, sentence length distribution, vocabulary tier, contraction frequency, and summary box label. Used by blog-write and blog-rewrite to enforce consistent voice.
Passed 21 of 22 test cases with the skill, and 11 of 22 without it.
and 8 more in the full report
10 fixed11 passed either way1 still failing0 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 10/19/2026 did not produce a publishable comparison (not comparable). The snapshot above is the previously measured run.
One of 10 test cases the skill fixed. Same model, same prompt, with and without the skill.
When running the blog analysis tool `scripts/analyze_blog.py` on a technical article draft without specifying an active persona file, which readability band does the tool benchmark against?
| Checked | Without skill | With skill |
|---|---|---|
| State that scripts/analyze_blog.py benchmarks against the Consumer readability band by default. | Missed | Passed |
The instructions your model reads when the skill loads.
Create, store, and enforce writing personas based on the NNGroup 4-dimension tone framework and CMI Brand Voice Chart. Personas ensure consistent voice across all blog content produced by blog-write and blog-rewrite.
| Command | Purpose |
|---|---|
/blog persona create | Interactive interview to build a new persona |
/blog persona list | Show all saved personas |
/blog persona use <name> | Set active persona for current session |
/blog persona show <name> | Display full persona profile |
Run the 6-step interactive interview. Ask each step, wait for response, then proceed.
Ask the user for:
Present each dimension as a 0.0 to 1.0 slider. Explain both ends with examples.
| Dimension | 0.0 End | 1.0 End | Example at 0.0 | Example at 1.0 |
|---|---|---|---|---|
| funny_serious | Funny | Serious | "Let's be real, nobody reads Terms of Service" | "Understanding legal agreements protects your business" |
| formal_casual | Formal | Casual | "We are pleased to announce" | "Guess what - we shipped it!" |
| respectful_irreverent | Respectful | Irreverent | "We appreciate your patience" | "Yeah, that old way was broken" |
| enthusiastic_matter_of_fact | Enthusiastic | Matter-of-fact | "This changes everything!" | "Here are the results." |
Defaults if user is unsure: [0.6, 0.5, 0.3, 0.5] (slightly serious, balanced formality,
respectful, balanced enthusiasm).
test cases passed, vs 11 / 22 without
More skills from the same source and nearby in the registry, with their headline benchmark lift.