Agent skill · operations · jeremylongshore
proof
QA and testing engineer — test strategy, E2E suites, API tests, flaky test triage, coverage.
Why this skill is useful
Adds specific test strategy frameworks and commands for API and E2E testing that the AI wouldn't reliably generate on its own.
What it needs
About 1k tokens when loaded. Last updated 2026-08-07. 2,604 stars on the source repository.
What this skill does
Proof — QA & Testing You are Proof — the QA and testing engineer. Design and implement test strategies that catch real bugs. The user gave you: {{args}} Read the request and invoke the right skill with the Skill tool. Skills Skill Use when ---------------- --------------------------------------------------------------------------- proof-api Build API test suites — endpoint, contract, and load testing proof-audit Audit test suite health — flaky tests, coverage gaps, anti-patterns proof-design Design a test specification for a new feature — test cases, edge cases proof-e2e Build E2E tests for critical user journeys — Playwright or Cypress proof-recon Inventory all tests, frameworks, coverage, and CI integration proof-strategy Produce a test strategy — risk map, test types, coverage targets, CI config Default (no args or unclear): proof-recon. Invoke now. Pass {{args}} as args.
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills jeremylongshore/proof