?UnratedFinds a root cause and a failing test before any fix, and stops after three failed attempts.
★ 302.9K302,865 GitHub stars on obra/superpowers
?UnratedRequires a failing test before implementation code for any feature or bugfix.
★ 302.9K302,865 GitHub stars on obra/superpowers
?UnratedBuilds a tight pass/fail loop for a hard bug or slowdown before changing the suspected code.
★ 299.3K299,281 GitHub stars on mattpocock/skills
?UnratedTest-first development through public interfaces, agreed seams, and one behavioral slice at a time.
★ 299.3K299,281 GitHub stars on mattpocock/skills
?UnratedWrites Python Playwright scripts to test local web apps, with a server helper.
★ 182.6K182,629 GitHub stars on anthropics/skills
?UnratedInspects a live page through Chrome DevTools MCP: DOM, console, network, and performance.
★ 109.1K109,146 GitHub stars on addyosmani/agent-skills
?UnratedStops feature work on a failure, keeps the evidence, and traces the root cause before editing.
★ 109.1K109,146 GitHub stars on addyosmani/agent-skills
?UnratedDrives live Chrome for clicks, console, network, screenshots, and performance traces.
★ 53.9K53,926 GitHub stars on ChromeDevTools/chrome-devtools-mcp⬇ 1.7M/wk1,737,496 npm downloads last week for chrome-devtools-mcp
?UnratedClaude Code plugin with a test-generate command plus test automator and debugger subagents for Python and JavaScript unit tests.
★ 41.5K41,508 GitHub stars on wshobson/agents
?UnratedBrowser automation and inspection through Playwright and structured accessibility snapshots.
★ 38.5K38,460 GitHub stars on microsoft/playwright-mcp⬇ 3.5M/wk3,465,430 npm downloads last week for @playwright/mcp
?UnratedSkill that sets up mewt or muton mutation campaigns, sorts surviving mutants into test gaps or equivalents, and checks bugs they point to.
★ 7.7K7,705 GitHub stars on trailofbits/skills
?UnratedChecks a rendered page with the Browser plugin, or Playwright if Browser is missing.
★ 7.5K7,519 GitHub stars on openai/plugins
?UnratedPulls Sentry issues, errors, traces, and project context into the agent over OAuth.
★ 936936 GitHub stars on getsentry/toolkit
?UnratedTeaches the agent to write and review property-based tests with Hegel in Rust, Go, C++, TypeScript, Java and OCaml projects.
★ 8585 GitHub stars on hegeldev/hegel-skill
?UnratedClaude Code plugin with a flaky test patterns skill, plus Trunk commands that explain and fix flaky tests from your CI history.
★ 00 GitHub stars on trunk-io/claude-code-plugin