kubernetes-deployment-validator

I've been digging through Kubernetes validation tooling lately, and this skill's approach to catching deployment misconfigurations before they hit the cluster is exactly the kind of defensive automation that prevents 3am incidents—nice execution on the implementation.

Links:

• GitHub
• Your agentic skill in the SkillzWave marketplace

The TL;DR

You're at 86/100, B grade. This is based on Anthropic's 5-pillar grading rubric for agentic skills. Your Utility pillar is firing on all cylinders (18/20)—the validation checks for password encoding, CORS, auth failures are battle-tested and solve real problems. Weakest area is Progressive Disclosure Architecture (22/30)—you've got 542 lines of validation scripts and patterns all packed into one file, which eats tokens and makes the skill harder to navigate.

What's Working Well

• Solid trigger coverage - "BEFORE helm install/upgrade" is exactly when developers need this, and your metadata nails the kebab-case naming convention
• Battle-tested validation checks - The password generation, CORS, SMTP, and database auth sections address actual production gotchas that cause deployment failures
• Clear pass/fail patterns - Each section has explicit validation commands with pass/fail criteria, giving developers immediate feedback
• Bonus points for structure - The pre-flight checklist format is grep-friendly and the pre-commit checklist is genuinely useful

The Big One: 542 Lines in One File

Your entire skill is a monolithic SKILL.md. This hurts you in two ways: it wastes tokens on repetitive structure (you repeat "What to Check → Validation → Pass Criteria → Fail Indicators → Fix" seven times), and it buries detailed patterns where devs have to scroll past everything to find one answer.

The fix: Move validation patterns to a references/ directory:

• references/password-validation.md - Detailed password generation checks with examples
• references/cors-checks.md - CORS-specific troubleshooting
• references/smtp-troubleshooting.md - Email validation patterns
• references/validate-deployment.sh - Move the 70-line script out of SKILL.md

Then reference them from a condensed SKILL.md. This bumps your PDA score ~5 points and cuts your token footprint noticeably.

Other Things Worth Fixing

1. Add trigger phrases to description - Your description lacks the "Use when asked to..." pattern. Add: "Use when asked to 'validate kubernetes deployment', 'kubernetes pre-flight checks', or 'kubernetes deployment validator'" → +2 points to Spec Compliance

2. Missing overall workflow sequence - You list "when to use" but don't provide a numbered workflow (Run password check → verify env vars → test db auth → validate CORS → check docker parity → test SMTP → run pre-flight). Adds 2 points to Ease of Use and guides users through the right order.

3. Missing input/output examples - Show actual terminal output for failures vs successes. For example: "Bad password with special chars: xK+3/zA9=mQ2pL1w → ❌ FAIL. Good password: dadaf807863a952b → ✅ PASS" → +1 point to Utility

Quick Wins

• Extract validation scripts and patterns to references/ directory (biggest bang for buck)
• Add trigger phrases to frontmatter description (+2 points)
• Add a numbered validation workflow section at the top (+2 points)
• Include actual pass/fail terminal output examples (+1 point)

These changes take you from 86 to 94+ without rewriting the core content—just better organization and clearer guidance.

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