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https://github.com/nikuscs/glooit

🧴glooit keeps your AI agent rules, MCP, Skills & Commands configurations in perfect sync across Claude Code, Cursor, Roo Code, and other AI development tools.
https://github.com/nikuscs/glooit

ai ai-agents ai-tools claude-code codex cursor cursor-ai roocode

Last synced: about 16 hours ago
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🧴glooit keeps your AI agent rules, MCP, Skills & Commands configurations in perfect sync across Claude Code, Cursor, Roo Code, and other AI development tools.

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README

          

# glooit 🧴

Sync AI coding assistant configurations across Claude Code, Cursor, Codex, OpenCode, and Roo Code/Cline.

- **Rules** - Agent instructions and guidelines
- **Commands** - Custom slash commands
- **Skills** - Reusable agent capabilities
- **Agents** - Custom agent definitions
- **MCP Servers** - Model Context Protocol configurations
- **Agent Hooks** - Lifecycle hooks for Claude Code and Cursor
- **Settings Merge** - Merge shared env/permissions into provider-native settings files

## Why glooit?

Teams today use different AI coding assistants - some prefer Claude Code, others use Cursor, OpenCode, and CI/CD might run on Codex. Each tool has its own config format and location:

- Claude Code reads `CLAUDE.md`, commands in `.claude/commands/`, skills in `.claude/skills/`
- Cursor uses `.cursor/rules/*.mdc` with frontmatter, commands in `.cursor/commands/`
- OpenCode expects `AGENTS.md`, commands in `.opencode/command/`, agents in `.opencode/agent/`
- Codex expects `AGENTS.md`
- Roo Code/Cline looks in `.roo/rules/`

**glooit** lets you write your rules once and sync them everywhere. Perfect for:

- **Multi-agent teams** - Everyone uses their preferred AI assistant with consistent rules
- **Monorepos** - Different rules for different packages, all managed centrally
- **CI/CD pipelines** - Same rules in development and automation
- **Evolving tooling** - Switch or add AI assistants without rewriting configs

## Install

```bash
# Homebrew (macOS/Linux)
brew tap nikuscs/glooit https://github.com/nikuscs/glooit
brew install glooit

# npm
npm install -g glooit

# bun
bun install -g glooit

# pnpm
pnpm install -g glooit
```

## Quick Start

```bash
glooit init # Create config
glooit sync # Sync rules to all agents
```

## Configuration

Create `.agents/main.md` with your rules, then configure `glooit.config.ts`:

> Legacy support: `.glooit` is still supported. If `configDir` is not set, glooit will use `.agents` when present, otherwise it falls back to `.glooit`.

```typescript
import { defineRules } from 'glooit';

export default defineRules({
rules: [
{
file: '.agents/main.md',
to: './',
targets: ['claude', 'cursor', 'codex']
}
]
});
```

Run `glooit sync` (or `bunx glooit sync` / `npx glooit sync`) and it creates:

- `CLAUDE.md` for Claude Code
- `.cursor/rules/main.mdc` for Cursor
- `AGENTS.md` for Codex

## Supported Agents

| Agent | Output Path | Format |
|-------|-------------|--------|
| `claude` | `CLAUDE.md` | Markdown |
| `cursor` | `.cursor/rules/{name}.mdc` | Frontmatter |
| `codex` | `AGENTS.md` | Markdown |
| `opencode` | `AGENTS.md` | Markdown |
| `factory` | `AGENTS.md` | Markdown |
| `roocode` | `.roo/rules/{name}.md` | Markdown |
| `generic` | `{name}.md` | Markdown |

### Feature Support Matrix

| Feature | Claude | Cursor | OpenCode | Codex | Factory | Roo Code/Cline | Generic |
|-------------|--------|--------|----------|-------|---------|----------------|---------|
| Rules | βœ“ | βœ“ | βœ“ | βœ“ | βœ“ | βœ“ | βœ“ |
| Commands | βœ“ | βœ“ | βœ“ | βœ“* | - | - | - |
| Skills | βœ“ | βœ“ | βœ“** | βœ“ | βœ“ | - | - |
| Agents | βœ“ | βœ“ | βœ“ | - | βœ“*** | - | - |
| MCP Servers | βœ“ | βœ“ | βœ“ | βœ“ | βœ“ | βœ“ | βœ“ |
| Hooks | βœ“ | βœ“ | - | - | βœ“ | - | - |
| Settings | βœ“ | βœ“ | βœ“ | βœ“ | - | - | - |

*Codex uses `.codex/prompts` for commands
**OpenCode uses Claude-compatible skills path (`.claude/skills/`)
***Factory uses "droids" (`.factory/droids/`) for agents

## Features

### Custom Paths

Override output locations per-agent:

```typescript
{
file: '.agents/backend.md',
to: './',
targets: [
'claude',
{ name: 'cursor', to: './backend/.cursor/rules/api.mdc' }
]
}
```

### Directory Sync

Sync commands, skills, and agents directories at the top level:

```typescript
export default defineRules({
rules: [...],

// Simple string path (defaults to claude, cursor, opencode)
commands: '.agents/commands',

// Or with explicit targets
skills: {
path: '.agents/skills',
targets: ['claude']
},

agents: {
path: '.agents/agents',
targets: ['claude', 'cursor']
}
});
```

Output mappings:

- `commands` β†’ `.claude/commands`, `.cursor/commands`, `.opencode/command`, `.codex/prompts`
- `skills` β†’ `.claude/skills`, `.cursor/skills`, `.codex/skills`, `.factory/skills` (OpenCode uses `.claude/skills`)
- `agents` β†’ `.claude/agents`, `.cursor/agents`, `.opencode/agent`, `.factory/droids`

### Symlink Mode

Use symlinks instead of copying. This keeps your source of truth in `.agents` and updates targets instantly.

```typescript
export default defineRules({
mode: 'symlink', // or 'copy'
rules: [
{
file: '.agents/main.md',
to: './',
targets: ['claude', 'cursor']
},
{
file: '.agents/codex.md',
to: './',
mode: 'copy', // per-rule override
targets: ['codex']
}
]
});
```

**Why use symlink mode?**

- Changes to source files instantly reflect in all agent configs (no need to run `glooit sync`)
- Single source of truth - edit once, all agents see the update
- Useful for rapid iteration and development

**Limitations:**
Symlinks point directly to source files, so transformations cannot be applied:

- Per-rule hooks and global transforms are skipped (hooks/transforms would modify the source file)
- Merge rules (`file: string[]`) automatically fall back to copy mode (cannot symlink to multiple files)
- Agent-specific formatting is not applied (each agent would need a different version)

When limitations apply, glooit shows a warning and provides guidance. Use `glooit unlink` to convert symlinks back to regular files.

### File Merging

Combine multiple files into one output:

```typescript
{
file: [
'.agents/coding-standards.md',
'.agents/testing-guidelines.md'
],
to: './',
targets: [
{ name: 'claude', to: './GUIDELINES.md' }
]
}
```

### Globs (Cursor)

Limit rule scope to specific files:

```typescript
{
file: '.agents/frontend.md',
to: './apps/frontend',
globs: 'src/**/*.{ts,tsx}',
targets: ['cursor']
}
```

### Transforms

Transform content during sync using placeholders in your source files.

**Source file** (`.agents/main.md`):

```markdown
# Project Guidelines

Last updated: __TIMESTAMP__

## Project Structure

__STRUCTURE__

## Environment

- Node version: __NODE_VERSION__
- API URL: __API_URL__
```

**Config** (`glooit.config.ts`):

```typescript
import { defineRules, transforms } from 'glooit';

export default defineRules({
rules: [
{
file: '.agents/main.md',
to: './',
targets: ['claude'],
hooks: ['replaceStructure', 'addTimestamp', 'replaceEnv']
}
],
transforms: {
after: [transforms.compact({ removeFillerWords: true })]
}
});
```

**Built-in transforms:**

| Transform | Placeholder | Description |
|-----------|-------------|-------------|
| `addTimestamp` | `__TIMESTAMP__` | Replaced with current date/time |
| `replaceEnv` | `__ENV_VAR__` | Replaced with `process.env.ENV_VAR` value |
| `replaceStructure` | `__STRUCTURE__` | Replaced with project directory tree |
| `compact` | - | Cleans up markdown (removes filler words, extra newlines) |

**Usage:**

- Per-rule transforms: Add `hooks: ['transformName']` to individual rules
- Global transforms: Add to `transforms.after` array to run on all rules

### Agent Hooks

Configure lifecycle hooks that run inside Claude Code and Cursor when the AI uses tools.

```typescript
export default defineRules({
rules: [...],
hooks: [
// Run prettier after file edits
{
event: 'afterFileEdit',
command: 'npx prettier --write',
targets: ['claude', 'cursor']
},

// Run a TypeScript script before shell commands
{
event: 'beforeShellExecution',
script: '.agents/hooks/check-command.ts',
targets: ['claude']
},

// Block writes to sensitive files
{
event: 'PreToolUse',
script: '.agents/hooks/block-env-writes.ts',
matcher: 'Edit|Write', // Claude Code matcher
targets: ['claude']
}
]
});
```

**Supported events:**

| Event | Claude Code | Cursor | Description |
|-------|-------------|--------|-------------|
| `PreToolUse` | βœ“ | - | Before tool execution (can block) |
| `PostToolUse` | βœ“ | - | After tool completion |
| `beforeShellExecution` | βœ“ | βœ“ | Before shell commands |
| `afterFileEdit` | βœ“ | βœ“ | After file modifications |
| `Stop` | βœ“ | βœ“ | When agent finishes |

**Script types:**

- `.ts` files: Run with `bun run`
- `.js` files: Run with `node`
- `.sh` files: Run directly

### Settings Merge

Merge shared settings into provider-native settings files:

```typescript
export default defineRules({
rules: [...],
settings: {
targets: ['claude', 'cursor', 'codex', 'opencode'],
env: ['GEMINI_API_KEY', 'OPENAI_API_KEY'],
envFiles: ['.env.agents', '.env.local', '.env'], // optional (default order shown)
permissions: {
allow: ['Read', 'Grep']
},
merge: true // optional; defaults to true
}
});
```

Resolution and precedence rules:

- `merge` defaults to `true` (set `merge: false` to overwrite instead of merge).
- `envFiles` is optional; default lookup is `['.env.agents', '.env.local', '.env']`.
- For each key in `settings.env`, the first matching file in `envFiles` order wins.
- `.env.agents` is checked first, giving you a dedicated file for agent-specific secrets.
- If a key is not found in any env file, `process.env` is used as a fallback (useful for CI and shell-exported vars).
- Safety guard: if env values would be written to git-tracked settings files (for `claude`/`codex`), sync fails with a warning to prevent committing secrets.

Default settings output files:

- `claude` β†’ `.claude/settings.local.json`
- `cursor` β†’ `.cursor/cli.json`
- `codex` β†’ `.codex/config.toml`
- `opencode` β†’ `opencode.json`

### MCP Configuration

Configure Model Context Protocol servers:

```typescript
export default defineRules({
rules: [...],
mcps: [
{
name: 'postgres',
config: {
command: 'uvx',
args: ['mcp-server-postgres'],
env: { DATABASE_URL: process.env.DATABASE_URL }
},
targets: ['claude', 'cursor']
}
]
});
```

### Backup

Automatic backups before sync:

```typescript
export default defineRules({
rules: [...],
backup: {
enabled: true,
retention: 10
}
});
```

## Commands

```bash
glooit init # Initialize configuration
glooit sync # Sync rules and MCPs
glooit link # Zero-config symlink sync (no config file needed)
glooit unlink # Replace symlinked outputs with real files
glooit validate # Validate configuration
glooit clean # Clean .gitignore entries
glooit reset --force # Remove all generated files
glooit upgrade # Upgrade glooit to latest version
glooit backup list # List available backups
glooit backup restore # Restore from backup
```

### Link Command

The `link` command provides zero-config symlink-based syncing without requiring a config file:

```bash
glooit link # Auto-detect .agents/ or .glooit/ and sync to all agents
glooit link .my-rules # Use custom source directory
glooit link -t claude,cursor # Sync to specific agents only
```

It automatically discovers and symlinks:

- `CLAUDE.md` β†’ Claude Code
- `AGENTS.md` β†’ Codex, OpenCode, Factory
- `commands/` β†’ All agents that support commands
- `skills/` β†’ All agents that support skills
- `agents/` β†’ All agents that support agents/droids

### Upgrade

The `upgrade` command auto-detects your package manager and whether glooit is installed locally or globally:

```bash
glooit upgrade # Auto-detect and upgrade
glooit upgrade -g # Force global upgrade
glooit upgrade -l # Force local upgrade
```

All commands work with `npx`, `bunx`, or `pnpx`:

```bash
npx glooit sync
bunx glooit sync
pnpx glooit sync
```

## Examples

See [examples/full.config.ts](examples/full.config.ts) for a complete configuration with all features.

## Development

```bash
# Install dependencies
bun install

# Run tests
bun run test

# Type check and lint
bun run check

# Build
bun run build

# Build local binary
bun run install:local
```

### Releasing

```bash
bun run release
```

This runs checks, prompts for version bump, creates a git tag, and pushes. CI handles npm publish and GitHub release automatically.

## Credits

Without these amazing projects, this project would not be possible.

- [Antfu](https://antfu.me) for the amazing packages
- [Ruler](https://github.com/intellectronica/ruler) Inspiration for the project & ideas
- [Claude](https://claude.ai) for the amazing AI that made this project possible in a few hours.

## License

MIT