A streamlined CLI tool that uses AI to generate documented .env.example files while keeping your secrets safe.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install env-sync
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install env-sync using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is Env Sync?
Env Sync is a specialized utility within the Openclaw Skills ecosystem designed to solve the common headache of outdated environment variable templates. It scans your local environment files, extracts the keys, and employs GPT-4o-mini to intelligently document what each variable does, ensuring your team always has a clear roadmap for project configuration without exposing sensitive credentials.
This tool is part of a broader commitment to providing high-quality Openclaw Skills that simplify the developer experience. By automating the creation of .env.example files, it eliminates manual documentation tasks and reduces the friction of onboarding new contributors or setting up fresh development environments.
Env Sync Use Cases
- Rapidly onboarding new developers by providing clear environment documentation.
- Synchronizing .env.example with local .env changes before git commits.
- Configuring CI/CD pipelines with accurate variable templates.
- Auditing environment variables for missing descriptions or outdated keys.
How Env Sync Works
- The skill scans the project directory for common environment files like .env, .env.local, or .env.development.
- It parses the files to identify variable keys while stripping out all actual secret values.
- The tool sends the keys to an AI model to generate context-aware comments and descriptions for each variable.
- It compiles a clean, formatted .env.example file with placeholders such as "your_api_key_here".
- The generated file is saved to the root directory, ready for version control via Openclaw Skills workflows.
Env Sync Setup
Env Sync requires Node.js 18+ and an OpenAI API key for the documentation generation logic.
# Run the tool directly using npx
npx ai-env-sync
# Or specify a specific project directory
npx ai-env-sync ./my-project-path
Ensure your OPENAI_API_KEY is exported in your terminal session.
Env Sync Data Schema & Taxonomy
The skill processes environment configuration files and outputs a standardized template.
| Component | Description |
|---|---|
| Input Files | .env, .env.local, .env.development |
| Output File | .env.example |
| Security | All values are replaced with placeholders |
| Documentation | Inline comments generated via AI for every key |
Env Sync Advanced Features
- Intelligent Variable Mapping: Leverages GPT-4o-mini to understand the purpose of variables based on their naming conventions.
- Monorepo Support: Easily target specific subdirectories within a larger project structure.
- Secret Scrubbing: Advanced pattern matching to ensure no sensitive data accidentally leaks into the example file.
- Seamless Workflow Integration: Designed to be a standard part of the Openclaw Skills toolkit for maintaining repository health.
SKILL.md
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