Replace CLAUDE.md, AGENTS.md, opencode.json, .codex/config.toml, .cursor/rules/, .mcp.json, and other tool-specific setup with one shared manifest and lockfile: etymon.toml and etymon.lock.
Make your repositories portable and AI harness-agnostic with Etymon.
npm install -g etymon
etymon
# Or run without installing globally
npx etymonNode.js 22+ and Git for repository sources.
etymon init
etymon skills add vercel-labs/skills --skill find-skills
etymon mcp add io.github.upstash/context7 --remote 0
# Create your own skills, agents, and rules
etymon skills create
etymon agents create
etymon rules create
etymon sync --harness claude,codex,opencodeetymon syncetymon init
etymon convert
etymon sync --harness codex,opencodeetymon syncetymon skills find react
etymon mcp find context7
etymon mcp info io.github.upstash/context7
etymon skills add ./skills/checks
etymon agents add augmnt/agents/api-designer.md
etymon rules add ./guidance.md --dest-dir src/api
etymon mcp add ./mcp.json
etymon mcp create
etymon convert --harness claude # Import one tool
etymon list
etymon update # Choose newer external versions
etymon sync # Apply the locked versions
etymon sync --offline # Use cached resources
etymon sync --dry-run # Review changes
etymon sync --allow-lossy # Allow conversion losses, with warnings
etymon doctor
etymon skills remove checks
etymon agents remove reviewer
etymon rules remove guidance
etymon mcp remove docs
etymon skills create --global
etymon sync --global --harness claude,codex
etymon uninstallFull CLI reference, including headless creation, source resolution, and global options.
Claude Code, Codex, Copilot CLI/cloud, VS Code, Gemini, Kiro, Pi, Oh My Pi, OpenCode, Cursor, Antigravity, Roo, Cline, Kilo, Continue, Windsurf, Amp, and Zed.
Supported interfaces by tool · Rule compatibility
Humans: docs/CONTRIBUTING.md.
Agents: run etymon sync, then read the generated project instructions and development skills.