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AI Claim Checker

AI Claim Checker is an agent skill (a SKILL.md file) from iflytek/skillhub. Evaluate factual claims in AI-generated text and teach a lightweight verification habit. It works with Claude Code and Codex and has 5,154 GitHub stars across a repository of 4 listed skills.

github.com/iflytek/skillhub/builtin-skills/skills/ai-claim-checker (opens in a new tab)

View on GitHub (opens in a new tab)

Add this skill

Claude

Claude Code loads skills from ~/.claude/skills/ (all projects) or .claude/skills/ (one project):

git clone --depth 1 https://github.com/iflytek/skillhub.git
cp -r skillhub/builtin-skills/skills/ai-claim-checker ~/.claude/skills/ai-claim-checker   # personal, or .claude/skills in a project

In the Claude apps, zip the ai-claim-checker folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).

ChatGPT / Codex

Codex reads skills from .agents/skills/ in a repo or ~/.agents/skills/ for every project:

git clone --depth 1 https://github.com/iflytek/skillhub.git
cp -r skillhub/builtin-skills/skills/ai-claim-checker .agents/skills/ai-claim-checker   # repo; ~/.agents/skills for all projects

Standalone skills also load in the ChatGPT desktop app.

Cursor

Cursor loads skills from .cursor/skills/ (or ~/.cursor/skills/) and also reads .claude/skills/:

git clone --depth 1 https://github.com/iflytek/skillhub.git
cp -r skillhub/builtin-skills/skills/ai-claim-checker .cursor/skills/ai-claim-checker   # project; ~/.cursor/skills for all projects

Source (checked Oct 7, 2026): code.claude.com/docs/en/skills (opens in a new tab), support.claude.com/en/articles/12512180-using-skills-in-claude (opens in a new tab), learn.chatgpt.com/docs/build-skills (opens in a new tab), cursor.com/docs/context/skills (opens in a new tab)

What this skill does

Evaluate factual claims in AI-generated text and teach a lightweight verification habit. Use when a learner wants to fact-check an AI answer, identify uncertainty, choose appropriate independent sources, or practise critical AI literacy. Help the user treat fluent AI output as claims to evaluate, not as automatically true or false. Produce a direct assessment when requested; offer the learner-facing exercise without making it a mandatory gate.

When it triggers

  • Use when a learner wants to fact-check an AI answer, identify uncertainty, choose appropriate independent sources, or practise critical AI literacy.

More skills in iflytek/skillhub

4 skills are listed from this repository.

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FAQ

AI Claim Checker FAQ

Still curious? Email info@appsgit.com.

What is the AI Claim Checker skill?

AI Claim Checker is an agent skill (a SKILL.md file) from iflytek/skillhub. Evaluate factual claims in AI-generated text and teach a lightweight verification habit. It works with Claude Code and Codex and has 5,154 GitHub stars across a repository of 4 listed skills. Its SKILL.md lives at github.com/iflytek/skillhub/builtin-skills/skills/ai-claim-checker.

How do I install the AI Claim Checker skill?

Copy the ai-claim-checker folder (the one containing SKILL.md) into ~/.claude/skills/ for Claude Code, .agents/skills/ for Codex or .cursor/skills/ for Cursor. The agent picks it up automatically when a task matches its description.

Is the AI Claim Checker skill free?

Yes. The repository is open source under the Apache-2.0 license.

Is AI Claim Checker maintained?

The repository's most recent commit was on Sep 24, 2026. Its latest release is v0.2.21. appsgit only lists skills from repositories with a commit in the last six months.