MK QA Master
AI 測試大師 — your AI QA loop, from analyze to advise.
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Universal MCP server for running tests across pytest / Jest / Cypress / Go,
with built-in DOM analyzer, run history, and a self-improvement coach.
Stable since v1.0.0 (2026-06-02) — see
Stability promise below.
A Model Context Protocol server that lets Claude Desktop / Cursor / any
MCP client drive your test suite end-to-end: run tests, inspect failures
(screenshot + video + trace), analyze a live URL to draft test cases, and —
after each run — produce a prioritized action plan telling you exactly what
to fix or write next.
QA_RUNNER | Framework | Language | Target |
|---|
pytest / pytest-playwright / playwright | pytest + Playwright | Python | Web |
jest | Jest | JavaScript | Web |
cypress | Cypress | JavaScript | Web |
go / go-test | go test | Go | Backend |
maestro / mobile | Maestro | YAML | iOS + Android |
schemathesis / api | Schemathesis | OpenAPI 3.x / Swagger 2.0 | API (since v0.6.0) |
newman / postman | Newman | Postman collection v2.x | API (since v0.6.1) |
Full design notes: docs/framework.md.
What's in the box
-
Run tests across multiple frameworks (web + mobile + API) via a single MCP surface
-
Mobile via Maestro (since v0.3.0): same MCP tools, iOS Simulator /
Android Emulator / real device; YAML flows; cross-platform without rewrites
-
Native API testing — two runners (since v0.6.0 / v0.6.1): two peers
now share the API testing slot, each fed by the artifact your team
already maintains.
- Schemathesis (
QA_RUNNER=schemathesis, since v0.6.0): point at an
OpenAPI 3.x / Swagger 2.0 URL or file:// schema and get property-based
fuzzed tests covering status codes, response schemas, content types,
and 5xx-on-fuzz violations.
- Newman (
QA_RUNNER=newman, since v0.6.1): point at an exported
Postman 2.x collection (plus optional environment / globals files) and
Newman replays every request, runs the embedded pm.test(...)
assertions, and returns one mk-qa-master nodeid per assertion. Newman
is a system prerequisite (npm install -g newman) — it's an npm
package, not pip, so it doesn't ship as a Python extra.
Both drop into the same MCP tool surface as the web / mobile runners, and
both feed the same report.json / history / flake / optimizer pipeline.
Existing API tests written in pytest+httpx, Jest+supertest, Cypress
cy.request(), or Go net/http/httptest still ride their existing
runners — no migration needed. Pact provider verification stays on the
v0.7.0 conditional roadmap.
-
Failure artifacts: screenshot (base64-inlined), video, Playwright
trace.zip / Maestro recordings
-
Run history: every run snapshotted; HTML report shows a sparkline trend
-
DOM / Screen analyzer — analyze_url for web (forms / nav / dialogs /
CTAs + the API endpoints the page hits) and analyze_screen for mobile
(maestro hierarchy → form / cta / tab_bar modules)
-
Smart test generation (generate_test): hand it an analyzer module
and it writes a runnable Playwright .py or Maestro .yaml with concrete
selectors, not # TODO stubs
-
Auto-retry flakes — pytest side via pytest-rerunfailures; Maestro
side via custom retry wrapper (no native --reruns); flaky tests
surfaced separately from real failures
-
Self-improvement coach (get_optimization_plan): post-run analysis
across three lenses — suite quality, MCP usability, AI generation effectiveness
-
JUnit XML output for CI integrations (GitHub Actions / Jenkins / GitLab)
Install
Two paths — pick the one that matches how you'll use it.
