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Build or materially redesign an agent skill from a rough idea or a workflow that just succeeded, with a spec-first design, risk-based evidence, real baseline and with-skill evaluation, blind cross-family forward tests, and a typed completion receipt.
Passed 13 of 17 test cases with the skill, and 9 of 17 without it.
and 6 more in the full report
8 fixed9 passed either way3 still failing2 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 7 test cases the skill fixed. Same model, same prompt, with and without the skill.
Construct the exact shell command to initialize the workshop receipt for an integration skill that does not bundle executable code, using author family 'anthropic' and work unit UUID '123e4567-e89b-12d3-a456-426614174000'.
| Checked | Without skill | With skill |
|---|---|---|
| Executes python3 scripts/workshop.py init with tier integration, bundles-code false, work-unit 123e4567-e89b-12d3-a456-426614174000, author-family anthropic, and output WORKSHOP.json | Missed | Passed |
The instructions your model reads when the skill loads.
Build the smallest skill that owns the behavior, then prove its declared claims. Compose the repo's existing authoring, arena, review, and install tools; do not create another controller around them.
SPEC.md before SKILL.md or executable behavior.Capture the real trigger, non-trigger, user, repository, authority, and the failure or successful workflow being generalized. Describe the desired behavior without preserving accidental details of the first solution.
Redirect a narrow request to the skill named in the description instead of running the full workshop.
Choose the highest matching tier before build. Tiers are cumulative.
| Tier | Select when | Required evidence |
|---|---|---|
method | Instructions/reference only; no executable or live dependency. | Spec, real eval, two-family blind test, lint, four-agent install, fast councils. |
scripted | Bundled code, validator, schema, or generated artifact. | Method plus public-seam TDD, repo tests, deep final council, Thermos. |
test cases passed, vs 9 / 17 without
More skills from the same source and nearby in the registry, with their headline benchmark lift.