Best skills for Testing & Review (2026)
improve-codebase-architecture is the best skill for Testing & Review - 824k installs and 241k GitHub stars. Strong alternatives: tdd and codebase-design.
3722 skills for developers in Testing & Review, ranked by real adoption (installs, then GitHub stars). Every pick links to install commands and trust signals.
Ranked by Skillselion · adoption from the skills.sh registry & GitHub · data refreshed August 31, 2026.
The top 10 skills for testing & review
| # | Skill | Stars | Installs |
|---|---|---|---|
| 1 | improve-codebase-architecturecollectionmattpocock · mattpocock/skillsTop pick Safely deepen clusters of shallow modules into cohesive, testable units while respecting their external dependencies. | 241k | 824k |
| 2 | tddcollectionmattpocock · mattpocock/skills Follow test-driven development with a strict red-green-refactor loop when creating reliable features or fixing bugs. | 241k | 797k |
| 3 | codebase-designcollectionmattpocock · mattpocock/skills Shared vocabulary for designing deep modules: improve a module's interface, find deepening opportunities, decide where a seam goes, make code more testable. | 241k | 510k |
| 4 | code-reviewcollectionmattpocock · mattpocock/skills Reviews a branch or PR diff on two axes at once: conformance to coding standards plus a code-smell baseline, and whether it actually implements the original spec. | 241k | 443k |
| 5 | caveman-reviewcollectionJuliusBrussee · JuliusBrussee/caveman Get ultra-compressed, one-line code review comments that cut noise while keeping every actionable fix. | 102k | 324k |
| 6 | analyze-projectcollectionlllllllama · lllllllama/RigorPilot-Skills Get a conservative, read-only map of any deep-learning repository before deciding where to safely insert new agent logic. | 477 | 311k |
| 7 | migrate-to-shoehorncollectionmattpocock · mattpocock/skills Automatically update TypeScript test files that rely on unsafe `as` type assertions by replacing them with type-safe partial objects from @total-typescript/shoehorn. | 241k | 274k |
| 8 | cavecrewcollectionJuliusBrussee · JuliusBrussee/caveman Delegate coding tasks to specialized subagents that return compressed output, keeping the main context window usable for much longer sessions. | 102k | 274k |
| 9 | requesting-code-reviewcollectionobra · obra/superpowers Dispatch a consistent, high-signal code reviewer subagent that catches plan deviations and quality issues before merging or continuing development. | 279k | 214k |
| 10 | test-driven-developmentcollectionobra · obra/superpowers Enforce writing failing tests before any production implementation code. | 279k | 211k |
Why these skills rank for testing & review
1. improve-codebase-architecture
improve-codebase-architecture ranks #1 of the 3722 skills for Testing & Review by adoption, with 824k installs and 241k GitHub stars. It safely deepen clusters of shallow modules into cohesive, testable units while respecting their external dependencies.
2. tdd
tdd ranks #2 of the 3722 skills for Testing & Review by adoption, with 797k installs and 241k GitHub stars. It follow test-driven development with a strict red-green-refactor loop when creating reliable features or fixing bugs.
3. codebase-design
codebase-design ranks #3 of the 3722 skills for Testing & Review by adoption, with 510k installs and 241k GitHub stars. It shared vocabulary for designing deep modules: improve a module's interface, find deepening opportunities, decide where a seam goes, make code more testable.
4. code-review
code-review ranks #4 of the 3722 skills for Testing & Review by adoption, with 443k installs and 241k GitHub stars. It reviews a branch or PR diff on two axes at once: conformance to coding standards plus a code-smell baseline, and whether it actually implements the original spec.
5. caveman-review
caveman-review ranks #5 of the 3722 skills for Testing & Review by adoption, with 324k installs and 102k GitHub stars. It get ultra-compressed, one-line code review comments that cut noise while keeping every actionable fix.
Common questions
What is the best skill for Testing & Review?
improve-codebase-architecture is the top-ranked skill for Testing & Review, with 824k installs and 241k GitHub stars - Safely deepen clusters of shallow modules into cohesive, testable units while respecting their external dependencies..
What are the best alternatives to improve-codebase-architecture for testing & review?
Strong alternatives ranked just behind improve-codebase-architecture are tdd and codebase-design. All 3722 options are compared in the table above, ranked by real adoption.
How do I install improve-codebase-architecture?
Run: npx skills add https://github.com/mattpocock/skills --skill improve-codebase-architecture
How are these skills ranked?
By real adoption - installs first, then GitHub stars - across the 3722 skills in the Testing & Review category. Data from the skills.sh registry and GitHub.
More in Testing & Review
See every tool on the Testing & Review hub, browse all skills, or see every best-of shortlist.