factory-testing SKILL.md skillA
factory-testing from nonlinear-xyz/factory-kit is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add nonlinear-xyz/factory-kit/factory-testing@git:20260716.517fb94Pins git:20260716.517fb94 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- nonlinear-xyz/factory-kit
- Path
skills/factory-testing/SKILL.md- Versions recorded
- 1
- Latest version
- git:20260716.517fb94, committed Jul 16, 2026
- Size
- 14,265 bytes
- Repository stars
- 9
- License
- MIT
Testing conventions across builds. Vitest + Playwright as the locked stack; tests co-located in `__tests__` next to the code they verify; shared test primitives (provider wrappers, mock factories) centralized in `src/lib/test-utils.tsx`; coverage thresholds enforced at the merge gate (CI ownership lives in `factory-ci.md`). Read at project kickoff and whenever you write or review a test.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# Factory testing Each section leads with **Principle** (one sentence, stack-agnostic), then **Why** (constraint → option → tradeoff), then **Recipe** (the Vitest / Playwright / test-utils shape we use), and **Failure mode** when there's one to name. The kit is opinionated on the recipe layer (Vitest + Playwright + `__tests__` co-location + shared test-utils). A reader on a different stack can read the principle and skip the recipe. ## Tests-before-merge — coverage gates, not test-first dogma **Principle.** Every PR ships with tests that cover the new behavior; CI enforces a coverage floor; the kit does not mandate red-green-refactor authoring. **Why.** Strict TDD is unenforceable mechanically — a commit hook can't see whether the test was written before or after the code. A coverage floor is enforceable: CI either passes or fails. The trade-off accepted: we lose the design-pressure of test-first authoring; we keep a gate that catches the actual failure mode (un-tested code merging). Strict test-first also contradicts how most of the factory's existing code was written, which would make the rule aspirational from day one — and aspirational rules erode all the others. …
Read the whole file at its exact version.
How to install
mdr add nonlinear-xyz/factory-kit/factory-testing@sha256:9e97239c4f67cc03The line at the top of this page pins the label git:20260716.517fb94, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_dbtjhl4xayxvfkhd)
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Versions
The registry has recorded 1 version of this file, committed on Jul 16, 2026.
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (14265 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
nonlinear-xyz/factory-kit · 9 stars · license MIT · pushed 2026-10-29 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_dbtjhl4xayxvfkhd GET https://markdownregistry.com/api/v1/resolve?ref=nonlinear-xyz/factory-kit/factory-testing GET https://markdownregistry.com/api/v1/blob/9e97239c4f67cc0366eeccc41682270624bf389e3de937b1fa8618dee6ebfd35
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.