A powerful generator and governance system that transforms raw resources, API documents, and code snippets into zero-dependency, ecosystem-compatible Openclaw Skills with built-in security scans.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install coolskill-builder
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 coolskill-builder 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 CoolSkill Builder?
CoolSkill Builder is an automated generator and governance engine designed to transform any digital resource—including GitHub repositories, API documentation, natural language specifications, or raw code snippets—into standardized Openclaw Skills. These generated components operate with absolute zero external dependencies, executing purely on a whitelisted subset of Python's standard library to guarantee flawless execution across diverse environments.
By leveraging CoolSkill Builder, developers can automatically produce production-grade Openclaw Skills that are extremely token-optimized. The output contains highly compact variable structures and optimized list comprehensions, dropping token consumption to an absolute minimum. Each generated skill is cross-ecosystem ready, exporting a unified configuration that is immediately consumable by OpenAI, Claude, HTTP APIs, or custom AI agents.
CoolSkill Builder Use Cases
- API to Tool Conversion: Instantly map API endpoints and payload definitions into valid, callable Openclaw Skills for your AI assistants.
- Legacy Code Migration: Repackage unstructured Python snippets or modular logic into clean, standard, and isolated execution blocks.
- Multi-Agent Orchestration: Build a unified local registry of Openclaw Skills that work seamlessly across diverse agent platforms like Claude, Kimi, and OpenAI.
- Automated Security Guardrails: Enforce static code analysis and environment permission checks automatically during the skill creation pipeline.
How CoolSkill Builder Works
- Resource Parsing: CoolSkill Builder analyzes the input resource (GitHub repo, API spec, or natural language prompt) to map out functional intent, input/output JSON schemas, and execution boundaries.
- Artifact Generation: The engine automatically crafts 4 core files:
skill.yaml(metadata),impl.py(zero-dependency implementation),test.py(isolated test cases), andmanifest.json(cross-platform compatibility schemas). - 5-Layer Security Scan: Before deployment, the code passes through an automated security scan evaluating import whitelists, injection detection, API key/credential hardcoding, network permission bounds, and sensitive information leak check.
- Isolated Native Testing: The generated test suite is executed in a dedicated, isolated python environment to ensure 100% test coverage and logical correctness.
- Version-Isolated Registration: CoolSkill Builder registers the newly generated asset into the local registry under a unique
{domain}-{func}-{rand3}namespace utilizing Semver guidelines. - GitHub Synchronization: Optionally pushes the validated files directly to your remote repository if safe execution parameters are fully met.
CoolSkill Builder Setup
Prerequisites
Ensure you have Python 3.8+ installed. Keep your workspace clean and target folder structured.
Configuration
Optionally configure environment variables for remote git synchronization:
export GITHUB_TOKEN="your_personal_access_token"
export GITHUB_REPO="owner/repo"
Local CLI Execution
Generate and validate Openclaw Skills by running the built-in utility scripts:
# Generate a unique Skill ID based on your domain and function
python scripts/generate_skill_id.py data parse
# Perform a 5-layer security check on your implementation
python scripts/security_scan.py path/to/impl.py
# Validate syntax and run signature format
python scripts/validate_impl.py path/to/impl.py
CoolSkill Builder Data Schema & Taxonomy
Each skill generated via CoolSkill Builder is archived within the system registry according to a strict filesystem format to maintain versioned Openclaw Skills:
registry/
├── index.json
└── {skill-id}/
└── v{version}/
├── skill.yaml
├── impl.py
├── test.py
└── manifest.json
Core Schema Files
| File Name | Purpose | Specifications |
|---|---|---|
skill.yaml |
Metadata Definition | Key compression (e.g., v for version, d for description) and resource permission declarations (net, fs, env, exec). |
impl.py |
Implementation | Zero-dependency code strictly using a whitelisted subset of Python standard libraries. Requires a standard run(a) entry point returning standardized status wrappers. |
test.py |
Native Verification | Isolated process execution test runner ensuring 100% validation coverage. |
manifest.json |
Cross-Platform Tool Spec | Maps functions natively to OpenAI, Claude, and HTTP REST interface formats. |
CoolSkill Builder Advanced Features
- Extreme Token Compression: Minifies internal variables and leverages pythonic list comprehensions to save up to 70% in token overhead during LLM execution.
- Ecosystem Cross-Adaptation: Automatically builds payload adapters to allow the same Openclaw Skills to run on Claude's Tool Use API, OpenAI's Function Calling, or raw HTTP endpoints.
- Strict Sandbox Permissions: Enforces static code analysis blocking unsafe system commands (
eval,exec,os.system) unless explicitly declared inside permissions. - Automated Registry Governance: Handles semantic version increments (patch, minor, major) based on file changes and API signature compatibility tests.
SKILL.md
Loading
Related Openclaw Skills
Nobody's Girl Memoir Analysis Skill
An AI-powered researcher skill that provides deep insight and analysis on Virginia Roberts Giuffre's posthumous memoir, Nobody's Girl, detailing her survival and fight for justice.
Best Buy
An AI agent skill to programmatically search products, read store details, and retrieve customer reviews from Best Buy using the secure oo CLI.
AgentQL OOMOL Connector
An AI-powered web scraping and browser automation agent skill that integrates AgentQL with OOMOL CLI to query, extract, and manipulate web page data without local credential management.
Ably Integration Skill
A powerful OOMOL-powered skill to manage Ably real-time messaging, channels, presence history, and push notifications directly from your AI coding environment.
Investoday Real-time Draw.io Architecture Diagram Skill
Connects your AI agent to a live next-ai-drawio MCP server session to build, edit, and export visual architecture diagrams in real-time.
Caste Analysis Skill
An AI agent skill analyzing Isabel Wilkerson's 'Caste: The Origins of Our Discontents' to provide structural insights into societal hierarchies and historical injustices.
Featured*
