test-driven-development

github:addyosmani/agent-skills · first seen 2026-10-30T20:36:17 · installs 65.4K · source · badge

Drives development with tests using the red-green-refactor loop. Use when implementing any logic, fixing any bug, or changing any behavior. Use when you need to prove that code works, when a bug report arrives, or when you're about to modify existing functionality. Use when asked to add tests to a function, fix a bug in it or change its behavior, even when the code is pasted inline and the request

Works with

tdd
Shares red, green, tdd, development0.31

code-simplification
Shares pasted, changing, function, inline0.22

debugging-and-error-recovery
Shares fixing, bug, reproduce, tests0.21

source-driven-development
Shares development, implementing, fixing, driven0.17

code-review-and-quality
Shares pasted, even, inline, bug0.17

Woven into by

tdd
Shares red, green, tdd, development0.31

code-simplification
Shares pasted, changing, function, inline0.22

debugging-and-error-recovery
Shares fixing, bug, reproduce, tests0.21

code-review-and-quality
Shares pasted, even, inline, bug0.17

source-driven-development
Shares development, implementing, fixing, driven0.17

incremental-implementation
Shares functionality, implementing, tests, test0.16

diagnosing-bugs
Shares bug, loop, red, failing0.15

verify-and-stop
Shares prove, focused, completion, proof0.15

using-agent-skills
Shares development, arrives, discovered, implementing0.15

constraint-driven-development
Shares development, tests, driven, green0.14

Skill Health 100 estimated by backskills

Freshness 100 · Quality 100 · Efficacy not tested

Efficacy: not tested yet.

Version history

2026-10-30T20:36:17 · sha256 a3aa6ba95638