A local execution engine that allows Openclaw agents to connect directly to any API using standard OpenAPI specifications.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install freeapi
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 freeapi 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 freeAPI?
freeAPI is a high-performance direct execution engine designed for Openclaw Skills that prioritizes data sovereignty and privacy. Unlike traditional solutions that rely on middleware or data-harvesting gateways, freeAPI enables your agent to communicate directly from your local machine to any API endpoint using its official OpenAPI or Swagger specification. This design ensures that your sensitive credentials never leave your local environment, providing a secure and low-latency foundation for agent-based automation.
By running entirely on your local machine, this skill eliminates the risks associated with third-party service dependencies. It treats the OpenAPI specification as the source of truth, allowing agents to dynamically figure out how to interact with complex services like GitHub, Stripe, or specialized internal tools without needing custom code for every integration. It is the ultimate tool for developers who value privacy and autonomy in their Openclaw Skills ecosystem.
freeAPI Use Cases
- Connecting AI agents to services like GitHub or Stripe without routing traffic through third-party servers.
- Maintaining strict data privacy by keeping API keys restricted to a local .env file.
- Reducing communication latency for AI agents by removing unnecessary middleware hops.
- Rapidly prototyping integrations with any service that provides a standard Swagger or OpenAPI specification.
How freeAPI Works
- The agent identifies the target service and locates its corresponding OpenAPI specification URL or local file.
- The system verifies if the required authentication credentials exist in the local .env file.
- If credentials are missing, the agent initiates a conversational onboarding flow to securely collect and save the keys.
- The freeAPI engine parses the specification and executes the requested operation directly from the user's host machine.
freeAPI Setup
To get started with freeAPI within your Openclaw Skills environment, use the interactive setup script:
node skills/freeAPI/index.js setup
Ensure you have your target API keys ready. You can manually add them to your .env file or let the agent guide you through the process during runtime.
freeAPI Data Schema & Taxonomy
freeAPI relies on standard formats and local environmental configurations to maintain security and interoperability:
| Component | Type | Purpose |
|---|---|---|
.env |
File | Stores sensitive API keys (e.g., GITHUB_TOKEN) locally. |
OpenAPI Spec |
JSON/YAML | Defines the API surface, including endpoints and parameters. |
run command |
CLI | The primary execution entry point for agent-driven requests. |
freeAPI Advanced Features
- Conversational Onboarding: Agents can automatically prompt for and save missing API keys during a task.
- Spec-Driven Flexibility: Support for any API that adheres to OpenAPI/Swagger standards without manual coding.
- Zero-Middleware Architecture: Direct execution from localhost ensures maximum privacy and minimal latency.
- Integrated Local Storage: Securely manages service-specific credentials in a standard .env format for Openclaw Skills.
SKILL.md
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