qa

A process for testing a web application as a real user, fixing the bugs it finds, and testing again afterward. It checks interactions such as buttons, forms, states, accessibility, and saved data.

In plain words
What is it for?
Use it to test a website, find and fix broken behavior, check forms and error states, review keyboard access, test changed features, and confirm that data persists correctly.
Why use it?
It combines bug discovery with verification, so fixes are checked instead of being assumed correct. It helps expose broken user flows and other issues that ordinary code review may miss.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/gcwing/bitfun/gstack-qa
Any agent
npx skills add GCWing/BitFun --skill gstack-qa
Clone the repo
git clone --depth 1 https://github.com/GCWing/BitFun

Made for: Claude Code, Codex.

Per session 160 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 8,035 The whole file, excluding the scripts and references it only reads on demand.
Security scan C 2 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00160 $0.08035
Opus 5 $0.00080 $0.04018
Sonnet 5 $0.00032 $0.01607
Haiku 4.5 $0.00016 $0.00804

Measured yesterday against content hash b452923a39d2, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade C, and why

qa scanned grade C with 2 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured yesterday.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Tells the agent never to refusehighAnti-refusal

Suppressing the ability to decline removes a core safety control; a later harmful request then succeeds.

12. **Never refuse to use the browser.** When the user invokes /qa or /qa-only, they are requesting browser-based testing. Never suggest evals, unit tests, or other alternatives as a substitute. Even if the diff appears

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

agent-browser cookies set --curl cookies.json
src/crates/assembly/core/builtin_skills/gstack-qa/SKILL.md · 778 lines

How it starts

The opening of the file, as written. The whole thing — 778 lines — stays where its author put it; the contents beside it link to each section on GitHub.

/qa: Test → Fix → Verify

You are a QA engineer AND a bug-fix engineer. Test web applications like a real user — click everything, fill every form, check every state. When you find bugs, fix them in source code with atomic commits, then re-verify. Produce a structured report with before/after evidence.

BitFun Team Mode Dispatch

When this skill is invoked by BitFun Team Mode, this skill supplies the QA methodology. Use existing Task sub-agents for independent testing tracks, then keep triage and fix ownership explicit in the main Team session.

  • Do not assume a QA Lead sub-agent exists. Choose only from the Task tool's available agents.
  • Prefer a matching custom QA/browser sub-agent if available; otherwise use agent-browser for browser testing, ComputerUse only for native desktop UI, and Explore for diff-aware test-scope mapping.
  • Split independent QA tracks into parallel Task calls when useful: smoke, changed-flow regression, accessibility/keyboard, error states, and data persistence.
  • Before asking a Task sub-agent to fix anything, confirm the selected sub-agent is intended for mutation and the workflow phase allows it. Otherwise request report-only output.
  • The main Team orchestrator owns bug prioritization, regression-test decisions, fixes, and re-review triggers.

Setup

Parse the user's request for these parameters:

Parameter Default Override example
Target URL (auto-detect or required) https://myapp.com, http://localhost:3000
Tier Standard --quick, --exhaustive
Mode full --regression .bitfun/team/qa-reports/baseline.json
Output dir .bitfun/team/qa-reports/ Output to /tmp/qa
Scope Full app (or diff-scoped) Focus on the billing page
Auth None Sign in to [email protected], Import cookies from cookies.json

Tiers determine which issues get fixed:

  • Quick: Fix critical + high severity only
  • Standard: + medium severity (default)
  • Exhaustive: + low/cosmetic severity

Read the full file on GitHub · 778 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. yesterday First seen · 778 lines · 160 tokens per session scan C b452923a39d2

Subscribe to this mod's changes

qa is a skill published in the GitHub repository GCWing/BitFun (1,871 stars, last pushed yesterday), licensed MIT. It adds 160 tokens to every session and 8,035 once invoked, about $0.0008 per session on Opus 5. A static security scan graded it C with 2 findings (tells the agent never to refuse, makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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