Runtime Validation
Catch the bugs a green test suite misses by observing REAL runtime behavior — tail application logs during test/server runs, validate API responses against their schema contracts, and assert data-integrity invariants (density ≤ 1.0, %≤100, referential integrity). Use when unit tests pass 100% but the running app still errors, when a Pydantic/Zod/serde validation error or schema drift shows up only at runtime, when reviewing whether a test suite actually exercises the running system, or when someone says "all tests pass but it's broken", "smoke test", "the mocks lied", or "verify it works live".
Works with: Claude Code (native) · Cursor, Codex CLI (manual)
native: this artifact type is that client's own format
Category: Dev Tools & CI — see all ranked ›
Install (Claude Code):
cp -r runtime-validation ~/.claude/skills/- Adoption: 1 repos
- Upkeep: 96.0
- Freshness: 91.0
- Evidence coverage: 84% of the inputs this score can use — the rest are unknown, and the score is discounted for it
- Health: active
- Contributors: 3
- License: MIT
Security audit
Not scanned yet. We audit npm-published capabilities for known advisories, install-time scripts and permission surface; this one has no npm package we can resolve, or has not reached the queue.
Its own instructions
Its SKILL.md says when to use it, shows worked examples and covers setup.
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source ↗ · skill:nxtg-ai/runtime-validation
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Measured 2026-08-21 · scorer s5 · how · something wrong here?