stark-qa

stark-qa is a command for coding agents from f0d010c/stark. It costs 0 tokens per session (290 once invoked), scanned A, original, Apache-2.0.

A command that checks whether a user interface has enough evidence to be called good. It produces a checklist covering visual results, browser behavior, interactions, and common failure states.

In plain words
What is it for?
Use it before accepting a UI to identify required desktop and mobile checks, console errors, interaction problems, reduced-motion behavior, and missing or blank media.
Why use it?
It prevents approval based only on an impression or an incomplete screenshot. Missing checks remain uncertain, and serious failures must be fixed and tested again.

Command

Part of the stark plugin — 9 skills, 14 commands shipped together

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 commands/f0d010c/stark/stark-qa
Clone the repo
git clone --depth 1 https://github.com/f0d010c/stark

Or install stark, the plugin that ships this one along with the rest of its 9 skills, 14 commands.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for stark-qa

README.md
[![agentmods](https://agentmods.dev/badge/commands/f0d010c/stark/stark-qa.svg)](https://agentmods.dev/commands/f0d010c/stark/stark-qa)
Your own site
<a href="https://agentmods.dev/commands/f0d010c/stark/stark-qa"><img src="https://agentmods.dev/badge/commands/f0d010c/stark/stark-qa.svg" alt="Measured on agentmods" height="20"></a>
Per session 0 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 290 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 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 $0.00000 $0.00290
Opus 5 $0.00000 $0.00145
Sonnet 5 $0.00000 $0.00058
Haiku 4.5 $0.00000 $0.00029

Measured 3d ago against content hash bbd9e136e1b6, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

stark-qa scanned grade A with 0 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 3d ago.

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.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

commands/stark-qa.md · 41 lines

What it actually says

/stark-qa

Use this command to require proof before calling a UI "good."

Read:

  • references/ui-patterns/qa-evidence-contract.md
  • references/ui-patterns/browser-qa-matrix.md
  • references/ui-patterns/visual-qa-protocol.md
  • references/ui-patterns/visual-qa-workflow.md
  • references/ui-patterns/rendered-quality-gate.md when rendered or screenshot evidence exists
  • references/ui-patterns/visual-repair-playbook.md
  • references/ui-patterns/design-quality-metrics.md
  • references/ui-patterns/design-acceptance-gate.md

Output:

QA evidence contract
- Surface:
- Risk level:
- Evidence required:
- Evidence captured:
- Browser probes:
- Hard fails:
- Fix applied:
- Re-check:
- Rendered quality:
- Acceptance gate:
- Missing evidence:
- Remaining risk:

Rules:

  • Treat missing evidence as uncertain, not passing.
  • Use desktop/mobile, console, interaction, reduced-motion, nonblank media/canvas, and state evidence according to surface risk.
  • If a hard fail appears, fix it and re-check the same evidence before final delivery.
  • If the acceptance gate is below the requested design level, continue with one required repair.
  • Do not claim "looks good" without browser/runtime/screenshot evidence when such evidence is available.
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. 3d ago First seen · 41 lines · 0 tokens per session scan A bbd9e136e1b6

Subscribe to this mod's changes

stark-qa is a command published in the GitHub repository f0d010c/stark (25 stars, last pushed 1mo ago), licensed Apache-2.0. It costs nothing until one of its globs matches a file; then it loads 290 tokens. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.