An AI-driven CLI tool that injects meaningful inline comments into source code to explain the intent and reasoning behind complex logic.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install comment-gen
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 comment-gen 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 Comment Generator?
Comment Generator is a specialized utility within the Openclaw Skills ecosystem designed to solve the problem of undocumented or opaque code. Unlike standard documentation tools that simply describe what a line of code does, this tool focuses on the reasoning and intent—the why—behind the implementation. By analyzing control flows, business rules, and edge cases, it provides developers with a clear understanding of complex algorithms without requiring manual writing.
This skill is built for developers who inherit legacy codebases or work in fast-paced environments where documentation often lags behind development. As part of the wider Openclaw Skills collection, it integrates seamlessly into existing workflows, offering multiple verbosity levels to suit different audience needs, from senior-level architectural notes to beginner-friendly onboarding explanations.
Comment Generator Use Cases
- Documenting inherited legacy codebases where original developer intent is missing.
- Accelerating onboarding for new team members by providing context for complex internal logic.
- Clarifying non-obvious business rules or specific workarounds within algorithms.
- Enhancing code maintainability before long-term handovers or vacations.
How Comment Generator Works
- The user runs the skill via a CLI command, specifying the target source file.
- The tool reads the file content and evaluates the structure, including control flow and variable usage.
- The code is sent to an AI model which generates contextual inline comments focusing on the why of the logic.
- The skill merges these comments back into the original file while strictly preserving existing formatting and indentation.
- The updated file is saved, or a preview is shown if the dry-run flag is used.
Comment Generator Setup
Comment Generator requires Node.js 18 or higher and an OpenAI API key. No permanent installation is required as it can be executed directly via npx. This makes it one of the most accessible Openclaw Skills for rapid deployment.
# Set your environment variable
export OPENAI_API_KEY='your_api_key_here'
# Run the tool on a source file
npx ai-comment ./src/algorithm.ts
# Access help and additional options
npx ai-comment --help
Comment Generator Data Schema & Taxonomy
The skill processes source code files and utilizes environment variables for configuration. It follows a straightforward data flow without requiring a local database.
| Component | Type | Description |
|---|---|---|
| Input File | Source Code | The target file (e.g., .ts, .js, .py) to be analyzed. |
| Style Flag | String | Defines comment verbosity: concise, detailed, or beginner. |
| Dry Run | Boolean | If true, outputs the result to the console without modifying the file. |
| API Key | Env Var | Required OPENAI_API_KEY for processing logic. |
Comment Generator Advanced Features
- Support for multiple verbosity styles (concise, detailed, beginner) to tailor output to the reader's expertise.
- Dry-run mode to verify AI-generated comments before committing changes to the source file.
- Formatting preservation technology to ensure the skill does not disrupt existing linting or coding standards.
- Zero-config architecture allowing it to function as a standalone utility or part of larger Openclaw Skills automation pipelines.
SKILL.md
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