tomevault-io k6 Performance Testing (workflow)
Operating mode (token-efficient)
- Treat this skill as a router + governor.
- Do not load multiple procedures. Select exactly one procedure below and follow it end-to-end.
- Optimize for reproducible performance signals (thresholds + stable environments).
Routing (pick one procedure)
| Task | Open this procedure | Optional examples |
|---|---|---|
| Bootstrap k6 perf testing in a repo | reference/procedures/bootstrap.md |
reference/examples/thresholds.js |
| Add a new scenario (smoke/load/stress/soak) | reference/procedures/add-scenario.md |
reference/examples/smoke.js, reference/examples/load.js |
| Run locally | reference/procedures/run-local.md |
— |
| Add CI gating (threshold-based) | reference/procedures/ci-gate.md |
reference/examples/thresholds.js |
| Interpret regressions | reference/procedures/interpret-regressions.md |
— |
Shared non-negotiables (apply to all procedures)
Versioned scenarios
- Store k6 scripts in-repo and review like code.
- Keep scenarios small and composable.
Explicit thresholds
- Every CI-gated scenario must have thresholds (p95/p99 latency, error rate).
- Thresholds must be justified and documented.
Environment control
- Prefer stable staging environments for consistent results.
- Do not run load/stress tests against production unless explicitly approved.
Artifact contract (for CI + trend analysis)
- Standardize under:
artifacts/k6/ - Export at least a JSON summary (and optionally JUnit-like output if you convert).
- Standardize under:
No secrets in repo
- Inject tokens via CI secrets / env vars.
- Never commit API tokens in scripts.
Minimal inputs you should capture before changing code
- Target endpoint(s) and base URL(s)
- Auth strategy for load tests (token acquisition and rotation strategy)
- Target SLOs / acceptable latency and error rates
- Load model (users, arrival rate, duration)
- Whether tests are PR-gating vs scheduled (nightly)
Verification
If you changed skills:
- Prefer host-repo tooling if present:
node .ai/scripts/lint-skills.cjs --strict
- Always run the local validator:
node .ai/skills/testing/test-perf-k6/scripts/validate-skill.cjs
- Prefer host-repo tooling if present:
If you changed perf scripts:
k6 version(ordocker run --rm grafana/k6 version)k6 run <script.js>
Boundaries
- Do not edit
.codex/skills/or.claude/skills/directly (generated). - Do not set thresholds so loose that regressions pass unnoticed.
- Do not run high-load tests without coordinating capacity and rate limits.
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