Skillforge
Skillforge is an agent skill (a SKILL.md file) from tripleyak/SkillForge. Agents load it when creating, improving, finding, or auditing agent skills - the user says 'create a skill', 'do I have a skill for X', 'improve the X skill', 'which skill should I use', asks whether… It works with Claude Code and Codex and has 905 GitHub stars.
- Testing & QA
- Actively maintained
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/tripleyak/SkillForge.git
cp -r SkillForge ~/.claude/skills/skillforge # personal, or .claude/skills in a projectIn the Claude apps, zip the skillforge 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/tripleyak/SkillForge.git
cp -r SkillForge .agents/skills/skillforge # repo; ~/.agents/skills for all projectsStandalone 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/tripleyak/SkillForge.git
cp -r SkillForge .cursor/skills/skillforge # project; ~/.cursor/skills for all projectsSource (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
Use when creating, improving, finding, or auditing agent skills - the user says 'create a skill', 'do I have a skill for X', 'improve the X skill', 'which skill should I use', asks whether a skill exists for a task, or wants to validate, test, evaluate, package, or health-check skills. Also use for skill ecosystem maintenance (duplicate detection, stale skills, trigger collisions) and advisor checkpoints.
When it triggers
- Use when creating, improving, finding, or auditing agent skills - the user says 'create a skill', 'do I have a skill for X', 'improve the X skill', 'which skill should I use', asks whether a skill exists for a task, or wants to validate, te
- use for skill ecosystem maintenance (duplicate detection, stale skills, trigger collisions) and advisor checkpoints.
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What is the Skillforge skill?
Skillforge is an agent skill (a SKILL.md file) from tripleyak/SkillForge. Agents load it when creating, improving, finding, or auditing agent skills - the user says 'create a skill', 'do I have a skill for X', 'improve the X skill', 'which skill should I use', asks whether… It works with Claude Code and Codex and has 905 GitHub stars. Its SKILL.md lives at github.com/tripleyak/SkillForge.
How do I install the Skillforge skill?
Copy the skillforge 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 Skillforge skill free?
Yes. The repository is open source under the MIT license.
Is Skillforge maintained?
The repository's most recent commit was on Jul 29, 2026. Its latest release is v6.0.0. appsgit only lists skills from repositories with a commit in the last six months.