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TDD Workflow · dokhacgiakhoa | DecimalAI

testingby dokhacgiakhoa

TDD Workflow

dokhacgiakhoa/tdd-workflow

Source dokhacgiakhoa/agent-skills-4-vibe-coding-cli ↗License NOASSERTION

Test-Driven Development workflow principles. RED-GREEN-REFACTOR cycle.

SkillScore100Maintained

Automatic

Coding pack

Last verified 8/30/2026

What it changes

Passed 22 of 22 test cases with the skill, and 20 of 22 without it.

Without skill91%

With skill100%

Checks it passed that the model alone missed

Instruct to start the cycle again by writing a new failing test
Instruct not to touch production implementation code during the test drafting step

2 fixed20 passed either way0 still failing0 broke

Pass-rate lift: +9 pp
Tokens: -10%
Agent turns: 0%
Response time: -24%

Model gemini-3.6-flashMeasured 8/30/2026v122 of 22 cases passed with skill

Tokens, turns and time describe resource use, not a dollar price.

Use this skill

Save it into your project's skills folder. Claude Code picks it up in its next session.

curl -fsSL --create-dirs -o .claude/skills/dokhacgiakhoa-tdd-workflow/SKILL.md https://app.decimal.ai/s/dokhacgiakhoa-tdd-workflow/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add dokhacgiakhoa-tdd-workflow, and start Claude Code with claude --plugin-dir "$(git rev-parse --show-toplevel)/.agents"

1 · One-time — install the CLI (docs ↗)

pip install "decimalai>=0.15"

2 · Get the skill — writes .agents/skills/dokhacgiakhoa-tdd-workflow/ and pins it in .decimal/skills.lock

decimalai skills add dokhacgiakhoa-tdd-workflow

No CLI? Get the same file — curl · raw file

curl -fsSL --create-dirs -o .claude/skills/dokhacgiakhoa-tdd-workflow/SKILL.md https://app.decimal.ai/s/dokhacgiakhoa-tdd-workflow/SKILL.md

Raw file: /s/dokhacgiakhoa-tdd-workflow/SKILL.md ↗ · machine-readable summary at /s/dokhacgiakhoa-tdd-workflow.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 2 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 2

Prompt

I just finished refactoring my code quality and verified that all existing unit tests remain green. What is my immediate next action?

What was checked, without and with the skill
Checked	Without skill	With skill
Instruct to start the cycle again by writing a new failing test	Missed	Passed

case-18 · gemini-3.6-flash · 8/30/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md39 linessingle file

TDD Workflow

Write tests first, code second.

1. The TDD Cycle

🔴 RED → Write failing test
    ↓
🟢 GREEN → Write minimal code to pass
    ↓
🔵 REFACTOR → Improve code quality
    ↓
   Repeat...

2. The Three Laws of TDD

Write production code only to make a failing test pass
Write only enough test to demonstrate failure
Write only enough code to make the test pass

3. RED Phase Principles

🧠 Knowledge Modules (Fractal Skills)

1. What to Write

2. RED Phase Rules

3. Minimum Code

4. GREEN Phase Rules

5. What to Improve

6. REFACTOR Rules

7. Multi-Agent Pattern

Track record

Benchmark

22 / 22

test cases passed, vs 20 / 22 without

Adoption

Users: 0
Times used: 0

Safety and source details

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v4 — 8/10/2026

View 15 scanner checks

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

dokhacgiakhoa / agent-skills-4-vibe-coding-cli

.agent/skills/tdd-workflow/SKILL.md

View on GitHub ↗

License NOASSERTIONImported 8/10/2026Version v1

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Ready to supercharge your AI agents?

See it in action

What's inside

TDD Workflow

1. The TDD Cycle

2. The Three Laws of TDD

3. RED Phase Principles

🧠 Knowledge Modules (Fractal Skills)

1. What to Write

2. RED Phase Rules

3. Minimum Code

4. GREEN Phase Rules

5. What to Improve

6. REFACTOR Rules

7. Multi-Agent Pattern

Track record

Benchmark

Adoption

SkillSafety

Source

Other skills for the same job

Related skills