Browser-local tool

Turn a tool claim into a testable plan.

Declare the question, environment, expected behavior, negative case, command, evidence, and limits before the run. The builder generates a portable JSON plan in your browser.

Local by design

No account, analytics, server request, or browser storage. Your entries stay in this page unless you copy or download the generated file.

JSON Schema / v0.1

Define the contract.

Required fields prevent an attractive but non-reproducible verdict. Do not paste secrets, tokens, personal data, or proprietary fixtures.

It plans the run. It does not prove the result.

A complete form can still describe a weak test. Review the fixture, run both cases, keep the raw output, disclose conflicts, and reduce the conclusion when the environment or evidence is incomplete.