TDD

2,883 mods in this category, of every kind an agent can take. Each one carries what it costs per session, what the scan found, and whether it is the original.

implement-feature

26

tddworks/SkillsManager

Skill Claude Code

Guide for implementing features following architecture-first design, TDD, rich domain models, and Swift 6.2 patterns. Use this skill when: (1) Adding new functionality to a Swift app (2) Creating domain models that follow user's mental model (3) Building SwiftUI views that consume domain models directly (4) User asks…

not rated 170 +1 4mo ago A 103 tokens

atdd

28

swingerman/engineer

Plugin Claude Code

Bundles 26 skills, 4 commands, 8 agents, 2 hooks, 1 plugin · 2,951 tokens together

Acceptance Test Driven Development for Claude Code. Enforces the ATDD methodology: write Given/When/Then specs first, generate a project-specific test pipeline, maintain two test streams (acceptance + unit). Inspired by Robert C. Martin's acceptance test approach from empire-2025.

not rated 157 +3 26d ago A tokens not measured original MIT

tdd

30

mfranzon/tdd

Skill Claude Code

You are guiding the developer through strict Test-Driven Development. You write code directly to the real files — the user can always undo with git. Pause only when the user's input is needed, not at every step.

not rated 142 7mo ago A 0 tokens

tdd-workflow

31

cybernetix-lab/moss-harness

Skill Claude CodeCodex

Use this skill when writing new features, fixing bugs, or refactoring code. Enforces test-driven development with 80%+ coverage including unit, integration, and E2E tests.

not rated 136 4mo ago A 43 tokens original MIT

workflow

32

ambient-code/platform

Skill Claude Code

Perform any development work on the ambient-ui component. Full workflow instructions.

not rated 131 today A SkillSpector: pass 16 tokens original MIT

tdd-engine

33

lync-cyber/CataForge

Skill Claude Code

A TDD workflow engine that coordinates separate agents for the RED, GREEN, and REFACTOR stages. RED writes a failing test, GREEN implements the behaviour, and REFACTOR improves the code while keeping the tests passing.

not rated 128 2mo ago A SkillSpector: pass 53 tokens original MIT

soba-labs/langchain-agent-skills

Skill Claude CodeCodex

Use this skill when you need to test or evaluate LangGraph/LangChain agents: writing unit or integration tests, generating test scaffolds, mocking LLM/tool behavior, running trajectory evaluation (match or LLM-as-judge), running LangSmith dataset evaluations, and comparing two agent versions with A/B-style offline…

not rated 107 2mo ago A SkillSpector: pass 99 tokens original MIT

omk-planning

35

KaimingWan/oh-my-kiro

Skill Claude CodeCodex

Full plan lifecycle: deep understanding → write plan with TDD checklist → parallel review → Ralph Loop execution. Trigger when user says 'plan', 'design', 'implement', 'build', 'architect', '@plan', '@execute', or describes a multi-step task that needs structured breakdown. Also trigger for feature requests, system…

not rated 107 6mo ago A 76 tokens original MIT

triage-issue

36

Teaonly/SKILL.mk

Skill Claude CodeCodex

Triage a bug or issue by exploring the codebase to find root cause, then create a GitHub issue with a TDD-based fix plan. Use when user reports a bug, wants to file an issue, mentions "triage", or wants to investigate and plan a fix for a problem.

not rated 103 5mo ago A 65 tokens original MIT

skillkit

37

rfxlamia/skillkit

Plugin Claude Code

Bundles 3 skills, 3 commands · 236 tokens together

Professional skill creation with TDD workflow. Features dual-mode (fast/full), behavioral validation, and automated quality gates for 9.0/10+ scores.

not rated 101 +1 6mo ago A tokens not measured original Apache-2.0

quality-playbook

38

andrewstellman/quality-playbook

Skill Claude CodeCodex

Run a complete quality engineering audit on any codebase. Derives behavioral requirements from the code, generates spec-traced functional tests, runs a three-pass code review with regression tests, executes a multi-model spec audit (Council of Three), and produces a consolidated bug report with TDD-verified patches.…

not rated 87 +1 7d ago A 111 tokens original Apache-2.0

python-testing

40

virgo777/buddyme

Skill Claude CodeCodex

A guide to testing Python programs with pytest, a tool for running automated tests. It also explains TDD, a method of writing tests before the code they check, along with fixtures, mocks, parameterized tests, and coverage.

not rated 67 +235 9d ago A 40 tokens

loiane/specs-driven-development-spring-angular

Skill Claude Code

Spring Framework 7 / Spring Boot 4 idioms and defaults. Use when writing or reviewing controllers, services, configuration, HTTP clients, async/virtual-thread code, or anything touching Spring's programming model.

not rated 62 6d ago A 50 tokens original MIT

Zaoqu-Liu/ScienceClaw

Skill Claude CodeCodex

Create high-quality ToolUniverse skills following test-driven, implementation-agnostic methodology. Integrates tools from ToolUniverse's 1,264+ tool library, creates missing tools when needed using devtu-create-tool, tests thoroughly, and produces skills with Python SDK + MCP support. Use when asked to create new…

not rated 60 7mo ago A 90 tokens original MIT

Test Generator

44

DollhouseMCP/mcp-server

Agent Claude Code

Automated unit test generation for code with comprehensive coverage.

not rated 46 +1 today A 13 tokens AGPL-3.0

pdca

45

kenjudy/pdca-agentic-coding-framework

Plugin Claude Code

Bundles 1 skill, 5 commands · 139 tokens together

TDD-disciplined AI code generation using Plan-Do-Check-Act methodology. Enforces architecture-first analysis, strict red-green-refactor, Socratic ACT retrospectives, and optional Beads task tracking integration.

not rated 45 +1 13d ago A tokens not measured

nuxt-data-audit

47

YuDefine/nuxt-supabase-starter

Skill Claude Code

An audit guide for checking how Nuxt projects load data and whether their data-fetching patterns follow the project's performance rules.

not rated 44 changed 10d ago A SkillSpector: pass 39 tokens original MIT

rawveg/skillsforge-marketplace

Skill Claude CodeCodex

Use proactively when you need to implement features or fix bugs using strict Test-Driven Development (TDD) methodology. This agent should be activated for any coding task that requires writing new functionality, refactoring existing code, or ensuring comprehensive test coverage, but should not be used for any…

not rated 40 8mo ago A 113 tokens

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