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Get Started Free →streamlit/implementing-feature
Implement a feature from a product/tech spec, URL, or GitHub issue. Reads the spec, implements the feature following Streamlit patterns, and creates a merge-ready PR.
Passed 11 of 21 test cases with the skill, and 3 of 21 without it.
and 10 more in the full report
11 fixed3 passed either way11 still failing1 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 11 test cases the skill fixed. Same model, same prompt, with and without the skill.
Which repository guide file in the root `wiki/` folder should subagents read for implementation tips and conventions when coding new Streamlit features?
| Checked | Without skill | With skill |
|---|---|---|
| Subagents consult wiki/new-feature-guide.md for implementation guidance. | Missed | Passed |
The instructions your model reads when the skill loads.
Implement a feature from a spec, GitHub issue, or auto-selected papercut, through to a merge-ready PR.
Use by pointing to a spec folder:
/implementing-feature specs/2025-12-12-menu-button
Or with a URL to a raw document:
/implementing-feature https://raw.githubusercontent.com/streamlit/streamlit/refs/heads/develop/specs/2025-12-12-menu-button/product-spec.md
Or with a GitHub issue (feature request as spec; # optional):
/implementing-feature https://github.com/streamlit/streamlit/issues/12345
/implementing-feature 12345
/implementing-feature #12345
With no argument, auto-select the next papercut enhancement:
/implementing-feature
Copy this checklist and track your progress:
test cases passed, vs 3 / 21 without
More skills from the same source and nearby in the registry, with their headline benchmark lift.