GitHub app · read-only code access · pull requests

Your codebase, observed. Dead code found, clean code measured, docs that stay alive.

Winnow installs as a GitHub App, reads your repositories, and opens the pull request that removes what nobody uses. No token stored, nothing written without your review.

Install on GitHub See what it reads first

Free for one public repositoryNothing deleted, ever: every cleanup is a pull request

acme/checkout-serviceSample report

main · analyzed 2 minutes ago

Dead code

14 unused exports

Clean code

B+ maintainability

Living docs

3 modules undocumented

FindingKindConfidence

src/billing/legacyTotals.tsunused exportHigh

src/utils/format.tsdead fileHigh

package.json · momentunused dependencyMedium

src/api/handlers/v1.tsunused typeLow

01 · Dead code

Unused files, exports, types and dependencies.

With a confidence level on every finding and an ignore list you control. One click opens the pull request.

02 · Clean code

Complexity, nesting, length, smells.

Cyclomatic and cognitive complexity per function, a maintainability index per module, and the smells named plainly.

03 · Living docs

Documentation generated from live code only.

README, architecture overview and module docs, opened as a pull request when the code moves.

Pricing

Unlimited static analyses on every paid plan. Documentation by quota.

Every plan includes a generous monthly documentation quota, documented before you hit it.

Free: One public repository, a limited number of dead-code and clean-code analyses.; $0
Pro: Private repositories, one-click cleanup pull requests.; $29 / month
Team: Organizations, shared ignore lists and settings.; $79 / month
Business: Larger organizations, with the requirements a row like this one cannot state.; Custom