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Rulesync

Rulesync is an agent skill (a SKILL.md file) from dyoshikawa/rulesync. Generates and syncs AI rule configuration files (.cursorrules, CLAUDE.md, copilot-instructions.md) across 20+ coding tools from a single source. It works with Claude Code, Codex, Cursor, Gemini CLI, GitHub Copilot and OpenCode and has 1,552 GitHub stars.

github.com/dyoshikawa/rulesync/skills/rulesync (opens in a new tab)

Data as of from the GitHub API; description from the skill's SKILL.md. Report an error

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/dyoshikawa/rulesync.git
cp -r rulesync/skills/rulesync ~/.claude/skills/rulesync   # personal, or .claude/skills in a project

In the Claude apps, zip the rulesync 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/dyoshikawa/rulesync.git
cp -r rulesync/skills/rulesync .agents/skills/rulesync   # 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/dyoshikawa/rulesync.git
cp -r rulesync/skills/rulesync .cursor/skills/rulesync   # 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

Generates and syncs AI rule configuration files (.cursorrules, CLAUDE.md, copilot-instructions.md) across 20+ coding tools from a single source. Use when syncing AI rules, running rulesync commands, importing or generating rule files, or managing shared AI coding configurations. Rulesync generates and synchronizes AI rule configuration files across 20+ coding tools (Claude Code, Cursor, Copilot, Cline, Gemini CLI, and more) from a single set of unified rule files in .rulesync/.

When it triggers

  • Use when syncing AI rules, running rulesync commands, importing or generating rule files, or managing shared AI coding configurations.

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FAQ

Rulesync FAQ

Still curious? Email info@appsgit.com.

How do I install the Rulesync skill?

Copy the rulesync 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 Rulesync skill free?

Yes. The repository is open source under the MIT license.

Is Rulesync maintained?

The repository's most recent commit was on Oct 26, 2026. Its latest release is v41.0.0. appsgit only lists skills from repositories with a commit in the last six months.