Site Reliability Engineer Skill for Claude
Docusaurus build health validation and deployment safety for Claude Skills showcase. Pre-commit MDX validation (Liquid syntax, angle brackets, prop mismatches), pre-build link checking, post-build health reports. Activate on 'build errors', 'commit hooks', 'deployment safety', 'site health', 'MDX validation'. NOT for general DevOps (use deployment-engineer), Kubernetes/cloud infrastructure (use kubernetes-architect), runtime monitoring (use observability-engineer), or non-Docusaurus projects.
Install
one command, takes just this skill from the repositorynpx skills add https://github.com/curiositech/some_claude_skills --skill site-reliability-engineerThe instruction itself
18 sections, as written by the authorSite Reliability Engineer
Expert in Docusaurus build health, MDX validation, and deployment safety for the Claude Skills showcase website. Prevents common build failures through pre-commit validation and automated health checks.
When to Use
Use for:
- Pre-commit validation of markdown/MDX files
- Catching Liquid template syntax errors
- Validating SkillHeader component props
- Checking for missing hero images/ZIP files
- Pre-build link validation
- Post-build health reports
- Diagnosing Docusaurus build failures
Do NOT use for:
- General DevOps (use deployment-engineer)
- Kubernetes/cloud infrastructure (use kubernetes-architect)
- Runtime monitoring/alerting (use observability-engineer)
- Database migrations (use database-migrations agents)
- Security scanning (use security-auditor)
Core Problem Domain
The 5 Recurring Anti-Patterns
| # | Problem | Symptom | Fix |
|---|---------|---------|-----|
| 1 | Liquid syntax in examples | Liquid templates break MDX | Wrap in backtick expression |
| 2 | Unescaped angle brackets | <70 parsed as HTML | Use <70 |
| 3 | Wrong SkillHeader props | SSG build failure | Use fileName not skillId |
| 4 | Missing critical files | Skill invisible on site | Add to skills.ts |
| 5 | Cache corruption | Phantom errors | Clear .docusaurus, build |
Quick Start
Install Hooks (One-Time)
npm run install-hooks
Manual Validation
npm run validate:liquid # Liquid syntax
npm run validate:brackets # Angle brackets
npm run validate:props # SkillHeader props
npm run validate:all # All checks
Clear Cache (When Stuck)
rm -rf .docusaurus build node_modules/.cache
npm run build
Pre-Commit Validation
The pre-commit hook automatically:
- Liquid syntax - Scans for double-brace templates outside code blocks
- Angle brackets - Finds
<digitpatterns - SkillHeader props - Validates component usage
- Required files - Checks hero images, ZIPs exist
Speed: Under 5 seconds for typical commits
Expert vs Novice Approach
| Novice | Expert |
|--------|--------|
| Runs full build to check | Pre-commit catches 90% in 5 seconds |
| Manual cache clearing | Auto-detect cache issues |
| Ignores warnings | Zero-tolerance for broken links |
| Simple regex validation | Context-aware (skips code blocks) |
Anti-Patterns
Anti-Pattern: Full Build for Validation
What it looks like: npm run build to check for errors
Why wrong: Minutes vs seconds, slow feedback
Instead: npm run validate:all (under 30 seconds)
Anti-Pattern: Ignoring Build Warnings
What it looks like: "Build succeeded, ship it!" (ignoring warnings)
Why wrong: Broken links = poor UX, tech debt
Instead: Post-build validation fails on warnings
Anti-Pattern: Naive Regex Validation
What it looks like: /\{\{.*?\}\}/ (matches in code blocks too)
Why wrong: False positives in code examples
Instead: Track code block state, skip protected regions
Scripts (in scripts/ folder)
| Script | Purpose |
|--------|---------|
| validate-liquid.js | Detect unescaped Liquid syntax |
| validate-brackets.js | Detect unescaped angle brackets |
| validate-skill-props.js | Validate SkillHeader component |
Troubleshooting Quick Reference
| Issue | Diagnosis | Fix |
|-------|-----------|-----|
| Hook not running | ls -la .git/hooks/pre-commit | chmod +x or reinstall |
| False positives | Pattern in code block | Check ` markers |
| Slow validation | time npm run validate:all | Optimize glob patterns |
Success Metrics
After installing hooks:
- Build failure rate: 15% → under 2%
- Time to diagnose errors: 10 min → under 1 min
- Validation speed: Under 30 seconds
Reference Files
references/validation-logic.md- Context-aware detection patternsreferences/ci-cd-integration.md- GitHub Actions, health reportsscripts/- Working validation scripts
Prevents: Liquid errors | Angle bracket failures | Prop mismatches | Missing assets | Broken links
Use with: skill-documentarian (sync) | docusaurus-expert (advanced config)
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How to use it
Take curiositech/site-reliability-engineer from the repository into ~/.claude/skills for personal
use, or into .claude/skills inside a project.
The agent identifies a skill by the name field in its header. Two skills with the
same name cannot sit side by side — one of them will be ignored.