A powerful automation utility that transforms REST APIs into fully documented Openclaw Skills using OpenAPI specifications.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install neckr0ik-api-wrapper
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 neckr0ik-api-wrapper 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 API Wrapper Generator?
The API Wrapper Generator is a professional-grade tool designed to accelerate the development of AI agent capabilities by bridgeing the gap between standard REST APIs and agentic workflows. By analyzing OpenAPI specifications or direct URLs, it automatically constructs the necessary scaffolding for new Openclaw Skills, including technical documentation, metadata configurations, and execution scripts. This ensures that any API-driven service can be instantly accessible to AI agents without manual boilerplate coding.
This utility is essential for developers looking to scale their agent integrations. It handles the complexities of request validation, endpoint mapping, and multi-scheme authentication, resulting in consistent and reliable Openclaw Skills that follow best practices for agentic interoperability.
API Wrapper Generator Use Cases
- Rapidly converting third-party SaaS APIs like Stripe, Slack, or GitHub into functional Openclaw Skills.
- Scaling internal API integrations for private AI agent deployments within enterprise environments.
- Prototyping new agent capabilities by instantly wrapping any OpenAPI-compliant service.
- Standardizing the way external data sources are consumed across different Openclaw Skills.
How API Wrapper Generator Works
- The user provides a source for the API definition, such as a remote OpenAPI JSON/YAML URL or a local file path.
- The generator parses the specification to identify endpoints, request parameters, response schemas, and security requirements.
- A standardized directory is created containing the SKILL.md documentation, a claw.json manifest, and a scripts directory.
- The tool generates a type-safe Python client that manages the logic for API calls and response parsing.
- Developers can then test the generated Openclaw Skills against live endpoints to ensure functional accuracy before deployment.
API Wrapper Generator Setup
To generate new Openclaw Skills from an existing API, install the wrapper utility and use the following CLI commands:
# Generate a skill from a remote OpenAPI specification
neckr0ik-api-wrapper generate --spec https://api.example.com/openapi.json --name my-api
# Generate from a local specification file
neckr0ik-api-wrapper generate --spec ./openapi.yaml --name my-api
# Validate a specification before running the generator
neckr0ik-api-wrapper validate --spec https://api.example.com/openapi.json
API Wrapper Generator Data Schema & Taxonomy
The generator produces a structured output designed for seamless integration with the agent environment. The following schema defines the core files created for all Openclaw Skills:
| Component | Format | Purpose |
|---|---|---|
| SKILL.md | Markdown | Comprehensive documentation for the agent, detailing methods, paths, and usage examples. |
| claw.json | JSON | Metadata including skill version, name, and configuration requirements. |
| scripts/api.py | Python | A generated client library that handles authentication headers and HTTP requests. |
Each operation from the API spec is mapped to a specific function within the generated script, maintaining technical fidelity to the original documentation.
API Wrapper Generator Advanced Features
- Comprehensive authentication support including OAuth 2.0, Bearer Tokens, Basic Auth, and custom API Key headers.
- Granular control over skill scope using --include and --exclude flags to filter specific API endpoints.
- Integrated validation and testing suite to verify the integrity of generated Openclaw Skills.
- Automatic discovery of OpenAPI specifications directly from a base API URL.
- Type-safe request/response wrappers that ensure data consistency during agent interactions.
SKILL.md
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