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Deep Qa

Category: Science & Research  ·  Sub-category: science-misc  ·  Last updated:
type:audittype:review
Use when reviewing, auditing, QAing, critiquing, verifying, or assessing any artifact — a spec, code change, diff, PR, research report, skill, prompt, or document. Also use for pre-completion verification ("verify this works", "prove this is done", "evidence before claiming complete"). Trigger phrases include "review this", "audit this", "QA this", "find issues", "find defects", "critique this", "check this for problems", "what's wrong with this", "evaluate this", "run QA", "review the diff", "review the PR", "review my code", "deep QA", "defect audit", "code review", "assess this", "verify this works", "verify before completing", "prove this is done", "is this actually working". The single skill for all quality assurance — adversarial review, pre-completion verification, and evidence gathering. Cross-model critic lanes (GPT/Gemini via OpenAI-compatible endpoint) are enabled by default for blind-spot diversity; disable with --no-cross-model.
Security AStatic scan found no risk patternsHow grading works ›

About this skill (catalog notes)

Deep Qa includes pricing or quota commentary; 10 code blocks for direct copy-paste. At roughly 14,538 words the SKILL.md is on the longer end of the catalog distribution.

Indexed lastmod
Catalog position
Science & Research · science-misc
Indexed related skills
10

How Deep Qa fits the catalog

Deep Qa sits in the Science & Research category under the science-misc sub-topic in the ClaudSkills catalog. There are 10 related skills indexed alongside it; comparing a few before installing usually reveals which fits your workflow best.

Is Deep Qa safe to install?

A free static scan flagged 1 of ten categories (data-exfil), including a high-severity pattern. Read the security scan below before installing — a pattern inside a code fence is weighted as an example, not an instruction.

Installing & verifying

Installing Deep Qa writes its SKILL.md to ~/.claude/skills/deep-qa/SKILL.md; Claude Code discovers it automatically on the next session — no restart flag needed. It declares no allowed-tools restriction, so it inherits your session’s existing tool access rather than narrowing it. To confirm it loaded, ask Claude to list its available skills — deep-qa should appear by name.

What Deep Qa needs to run

External services
The SKILL.md references pricing, quota, or rate limits — it likely calls a paid or rate-limited API. Check the source before wiring it into unattended automation.
Worked code
10 copy-paste code blocks in the body.
Depth
~14,538 words, substantial — top of the catalog distribution.

When to reach for it

There are 10 related skills in Science & Research — a two-minute scan of the alternatives usually confirms whether Deep Qa is the right pick.

These notes are auto-generated from features detected in the SKILL.md file and from this catalog's structure — they aren't part of the source repository.

From the source SKILL.md

Systematically audit an existing artifact for defects using parallel critic agents across QA dimensions tailored to the artifact type. Unlike deep-design (which designs and iterates) or deep-research (which explores the web), deep-qa takes an artifact as-is and finds what's wrong with it.

What this skill does

Deep Qa is a community-contributed Claude Code skill in the science-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/deep-qa/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when reviewing, auditing, QAing, critiquing, verifying, or assessing any artifact — a spec, code change, diff, PR, research report, skill, prompt, or document. Also use for pre-completion verification ("verify this works", "prove this is done", "evidence before claiming complete").

Who uses this skill

The Deep Qa Claude Code skill is built for researchers, data scientists, academics, and analysts working with complex data and scientific literature. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 191,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/deep-qa
curl -L https://claudskills.com/skills/deep-qa/SKILL.md \
  -o ~/.claude/skills/deep-qa/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/deep-qa/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/deep-qa/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\deep-qa\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Telegram

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Deep Qa Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/deep-qa/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Deep Qa skill do?
Use when reviewing, auditing, QAing, critiquing, verifying, or assessing any artifact — a spec, code change, diff, PR, research report, skill, prompt, or document. Also use for pre-completion verification ("verify this works", "prove this is done", "evidence before claiming complete"). Trigger phrases include "review this", "audit this", "QA this", "find issues", "find defects", "critique this", "check this for problems", "what's wrong with this", "evaluate this", "run QA", "review the diff", "review the PR", "review my code", "deep QA", "defect audit", "code review", "assess this", "verify this works", "verify before completing", "prove this is done", "is this actually working". The single skill for all quality assurance — adversarial review, pre-completion verification, and evidence gathering. Cross-model critic lanes (GPT/Gemini via OpenAI-compatible endpoint) are enabled by default for blind-spot diversity; disable with --no-cross-model.
Is this skill free to install?
Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.
When should I use the Deep Qa skill?
Use Deep Qa when your Claude Code task falls under the Science & Research category — specifically in the science misc area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Deep Qa" or describe the task and let Claude pick). Browse related skills at /category/science/.
What is a Claude Code skill and how does the Deep Qa skill fit in?
A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Deep Qa is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Science & Research category. Learn more at /learn/what-is-a-claude-skill/.

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA
ClaudSkills. (2026). Deep Qa [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/deep-qa/
BibTeX
@misc{deep-qa-2026,
  author    = {ClaudSkills},
  title     = {Deep Qa [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/deep-qa/}
}

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Security scan

Grade A · scanned 2026-08-26 — free static scan against the OWASP Agentic Skills Top 10.

The scan flagged 1 of 10 categories (data-exfil), including a high-severity pattern. Patterns shown inside code fences are weighted as examples rather than instructions — read the grading methodology for what this does and does not guarantee.

Show this grade on your repo (click to copy):

[![Security: A](https://img.shields.io/badge/Security-A-2e7d32)](https://claudskills.com/skills/deep-qa/#security)

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More Science & Research skills

Browse all Science & Research skills in the ClaudSkills registry, or explore these other picks from the same category:

Browse all Science & Research skills → Top 100 skills
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