MCPInstall

test

Proves that a code change meets its acceptance criteria. Uses focused automated checks and a real browser for browser-facing work. Use to test or verify a diff, branch, PR, URL, or user flow.

Installs
327
Last 24h
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Trending rank
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Security
Not audited

Install

Works with every agent the skills CLI supports.

npx skills add https://github.com/owainlewis/blueprint --skill test
  1. 01

    Install

    Run the command in your project. The CLI asks which agents to install for.

  2. 02

    Describe the task

    Ask your agent for something this skill covers. It loads test automatically when relevant.

  3. 03

    Review the result

    The agent follows the SKILL.md steps, scripts and references bundled with the skill.

SKILL.md

The instructions your agent reads when the skill is triggered.

Test

Prove the behavior that matters. A passing build or a source-code reading can support the proof, but neither proves a user-visible flow.

Process

  1. Read the task, its source spec when present, changed code, existing tests, and repository instructions. Acceptance criteria come from the task or reviewed spec. Preserve their wording and AC-n, REQ-n, or INV-n IDs. Never rewrite criteria to match the code.
  2. Map every acceptance criterion, cited invariant, and affected failure path to proof by ID. Test changed behavior and behavior a refactor must preserve.
  3. If automated tests cannot exercise the affected behavior, explain why and give other evidence.
  4. Add or update focused tests where proof is missing. Assertions should fail when the changed behavior breaks.
  5. Assert behavior a user or caller can observe unless the test targets a documented internal contract. Keep setup and assertions no more complex than the scenario.
  6. Run the narrowest checks that exercise the changed behavior and affected interfaces. Run wider checks when shared behavior or interfaces changed.
  7. When browser-rendered behavior changes, start the documented app and check the required flows and affected failures in a real browser.
    • Check desktop and mobile when layout or responsive styles changed.
    • Check keyboard use when interactions changed.
    • Check console errors and failed requests during every flow.
    • Capture evidence. Reading source is not browser proof.
  8. Report each AC-n, REQ-n, INV-n, or task criterion as pass, fail, or unverified. Include the command, browser flow, or other evidence.

Return

Report each criterion in this shape:

Criterion: <ID or exact wording>
Result: Pass / Fail / Unverified
Evidence: <command, browser flow, or artifact>
Gap: <what remains unknown, or None>

Lead with failures and unverified criteria. Do not hide them below passing checks.

Boundaries

  • Do not weaken assertions to make a change pass.
  • Do not fix unrelated failures.
  • If required browser tooling is unavailable, report the check as blocked unless the user explicitly accepts a manual exception.

FAQ

What does the test skill do?

Proves that a code change meets its acceptance criteria. Uses focused automated checks and a real browser for browser-facing work. Use to test or verify a diff, branch, PR, URL, or user flow.

How do I install test?

Run npx skills add https://github.com/owainlewis/blueprint --skill test in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/test/ (personal) or .claude/skills/test/ (project).

Which AI agents can use test?

Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.

Is test safe to install?

No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.

Who maintains test?

It is published by owainlewis in owainlewis/blueprint. It has 327 recorded installs.

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