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n360-engineering
Zero-defect engineering standard for Claude Code. Session discipline, TDD, investigation protocol, circuit breakers, security baselines, performance targets, rollback playbooks, and observability. Built for teams where code quality is non-negotiable.
What's Inside
Skills3
large-feature
/large-feature
Use when a feature touches 5+ files, involves multiple layers (API + DB + frontend), or will take more than one session to complete. Enforces structured decomposition with design-first, task breakdown, review gates, and integration verification. Prevents context drift during long implementation sessions.
operating-standard
/operating-standard
Use at every session start and throughout all development work. This is the core engineering standard — it governs session start/end procedures, code quality rules, investigation protocol, circuit breakers, security baselines, performance targets, commit format, rollback playbooks, and observability requirements. Activates automatically on session start.
tdd
/tdd
Use when implementing any new feature, endpoint, service method, or critical flow. Enforces strict RED-GREEN-REFACTOR cycles where tests must fail before implementation exists. Does NOT trigger for quick bug fixes, config changes, documentation, single-line patches, or UI tweaks with no logic.
README
Nucleus360 — Claude Code Plugins
Production-grade engineering standards and release protocols for Claude Code. Built for teams where code quality is non-negotiable.
Plugins
| Plugin | Description | Install |
|---|---|---|
| n360-engineering | Zero-defect engineering standard. Session discipline, TDD, investigation protocol, circuit breakers, security baselines, performance targets, rollback playbooks. | /plugin install n360-engineering@n360-marketplace |
| n360-app-release | 19-phase mobile app release testing protocol with priority classification, failure protocols, and post-deploy verification. | /plugin install n360-app-release@n360-marketplace |
Quick Start
# In Claude Code, add the marketplace
/plugin marketplace add JPVT1977/n360-marketplace
# Install one or both plugins
/plugin install n360-engineering@n360-marketplace
/plugin install n360-app-release@n360-marketplace
# Restart Claude Code — plugins activate automatically
Why These Exist
AI coding agents are fast but undisciplined. They skip tests, ignore errors, commit broken code, and lose context mid-session. These plugins fix that by enforcing the practices that experienced engineers follow instinctively.
The engineering standard was born from building platforms that protect people in emergencies. The release protocol was born from the reality that App Store rejections and production crashes are preventable — if you run the right checks in the right order.
Philosophy
- Rules, not suggestions. If something matters, it's enforced, not recommended.
- Evidence over claims. "It should work" is not acceptable. Prove it works.
- No wasted tokens. Circuit breakers stop spinning. Handoffs preserve context. Sessions start where the last one left off.
- Test before code. TDD enforcement with built-in rebuttals for every excuse to skip it.
- Designed for solo developers and small teams. One person running multiple projects needs consistency more than anyone.
Built By
Nucleus360 — Engineering consultancy based in Melbourne, Australia. We build safety-critical platforms, mobile applications, and the tooling that keeps them reliable.
License
MIT — Use it, fork it, adapt it. If it saves you from a production incident, that's reward enough.
Contributing
Issues and PRs welcome. If you've found a gap in the standard or a check that should be in the release protocol, open an issue.
Stats
Version1.0.0
Stars3
Forks1
MaintenanceGood
LicenseMIT
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