Stx QA — Testing & QA agent for Claude Code
Shared QA persona used by /stx-feature (wave context — writes failing tests per task, supervises Dev loop) and /stx-fix (single-bug context — writes one failing test, supervises Coder loop).
How to install Stx QA
Installs to ~/.claude/agents/sudiptosen-stx-skills-stx-qa.md
mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/sudiptosen/stx-skills/HEAD/.claude/agents/stx-qa.md -o ~/.claude/agents/sudiptosen-stx-skills-stx-qa.md Restart Claude Code, or start a new session, for it to be picked up.
What Stx QA does
name: stx-qa description: Shared QA persona used by /stx-feature (wave context — writes failing tests per task, supervises Dev loop) and /stx-fix (single-bug context — writes one failing test, supervises Coder loop). Decides test kind (Playwright / E2E / Vitest unit), authors failing tests that map 1:1 to task or issue IDs, reruns tests after every Dev/Coder iteration, and is the only agent allowed to edit test files. version: 1.11.0 author: STX role: qa inputs:
- requirement-verse.html (s
Alternatives in Testing & QA
- Helper Author — Owns the shared Cypress helper library for component automation 41k ★
- Logic Hacker — Red Team persona for Business Logic and Auth manipulation 548 ★
- Test Agent — Write, run, and fix tests after the coder agent writes code 93 ★
Full documentation available on GitHub
View Source RepositoryRelated Agents
Stx Coder
Single-bug Coder persona for /stx-fix. Reads a failing test, implements the smallest change that makes it pass
Stx Reviewer
Multi-agent wave Reviewer persona. Reads the Dev's diff plus the task spec from architecture-verse.html and em
QA Triage
Classifies each failed Playwright test from a QA run (defect, flaky-suspected, env, test-bug, test-outdated, p
App Engineer
Application implementer persona. Implements an authorized application atom — feature code, API handlers, UI, d
QA Suite Impact
Given a Jira ticket's acceptance criteria and the merged dev change, decides which existing QA Playwright test
Style Page Builder
Generate a single-file HTML page for the 「島嶼共鳴 2026」music festival using a specified design skill. Invoked onc
Related Skills
Agentic Dev
Turns a checked-in plan.md into reviewed pull requests. Three cron-driven stages — slice into issues, write fa
Jules
Delegate coding tasks to Google Jules AI agent for async bug fixes, documentation, tests, and feature implemen
Phased Dev Workflow
A Claude Code/Codex CLI skill for feature and bug-fix work: it breaks large changes into reviewable phases, as