Test Driven Development
Strict RED-GREEN-REFACTOR cycle enforcement. Tests are never skipped or deferred. Run mode only, never watch mode. Exit code evidence mandatory.
Install
$ agentstack add skill-a5c-ai-babysitter-test-driven-development ✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.
Security review
✓ PassedNo issues found. Passed automated security review. · v0.1.0 How review works →
- ✓ Prompt-injection patterns
- ✓ Secret / credential exfiltration
- ✓ Dangerous shell & filesystem operations
- ✓ Untrusted network calls
- ✓ Known-malicious package signatures
What it can access
- ✓ Network access No
- ✓ Filesystem access No
- ✓ Shell / process execution No
- ✓ Environment & secrets No
- ✓ Dynamic code execution No
From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.
Verified badge
Passed review? Show it. Paste this badge into your README, it links to the public security report.
Links to your public security report.[](https://agentstack.voostack.com/security/report/skill-a5c-ai-babysitter-test-driven-development) Reliability & compatibility
Declared compatibility
Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.
We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps, measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.
How agent discovery & health will work →About
Test-Driven Development
Overview
Enforces the TDD discipline in all CC10X BUILD workflows. The RED-GREEN-REFACTOR cycle is mandatory and cannot be skipped or deferred.
TDD Cycle
- RED: Write failing test first. Run with
CI=true npm testor--runflag. Exit code MUST be 1. - GREEN: Write minimal code to make test pass. Exit code MUST be 0.
- REFACTOR: Clean up implementation while keeping tests green. Exit code MUST remain 0.
Non-Negotiable Rules
- Always use run mode (
CI=true npm testor--runflag) - NEVER use watch mode (prevents hanging processes)
- Use timeout guards (
timeout 60s) as backup - Record exit codes as evidence at each phase
- If tests fail 3 consecutive times in GREEN, report failure status
- Never skip RED phase (failing test must exist before implementation)
- Never defer tests to "later" -- TDD means tests first
Scope Discipline
- If implementation requires >3 file changes, flag for scope review
- Architectural choices require user approval unless pre-approved in plan
- New dependencies require user approval
When to Use
- Every feature implementation in BUILD workflow
- Every bug fix in DEBUG workflow (regression test)
Agents Used
component-builder(primary consumer)bug-investigator(regression tests)
Source & license
This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.
- Author: a5c-ai
- Source: a5c-ai/babysitter
- License: MIT
- Homepage: https://a5c.ai
Install and usage instructions live in the source repository linked above.
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Versions
- v0.1.0 Imported from the upstream source.