A comprehensive toolkit for building, testing, and automating APIs using Postman collections, environments, and the Newman CLI.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install postman
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 postman 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 Postman?
The Postman skill is designed to bring professional-grade API development and testing capabilities to your AI agent. It provides a structured framework for managing API requests, asserting response validity, and handling environment-specific configurations without hardcoding sensitive data. By integrating these tools into Openclaw Skills, developers can bridge the gap between manual API exploration and fully automated testing cycles.
This skill prioritizes best practices such as folder-based organization, pre-request scripts for dynamic authentication, and the use of environment variables to ensure portability across development, staging, and production environments. It also leverages the Newman CLI for headless execution, making it a powerful asset for modern developer workflows.
Postman Use Cases
- Automating regression testing for RESTful APIs to ensure stability.
- Managing complex authentication flows, such as OAuth2, using pre-request scripts.
- Running API test suites in CI/CD pipelines via Newman headless execution.
- Converting OpenAPI or Swagger specifications into executable Postman collections.
- Generating realistic mock data using dynamic variables for load or edge-case testing.
How Postman Works
- The skill initializes a dedicated workspace at
~/postman/to store collections, environments, and persistent memory. - Users define or import API collections that group related endpoints into logical folder structures.
- Environment variables are configured to abstract base URLs and tokens, allowing the same collection to run against different servers.
- Test assertions are added to requests using JavaScript to validate status codes, response times, and JSON schema integrity.
- Automated runs are triggered via the Newman CLI, providing detailed reports and exit codes for integration testing.
Postman Setup
To utilize the full automation capabilities of this skill, you must have the Newman CLI installed. Use the following command to install it globally via npm:
npm install -g newman
The skill organizes its data in ~/postman/. If this directory is missing, the agent will automatically reference the internal setup guides to initialize the workspace structure including the memory, collections, and environments folders.
Postman Data Schema & Taxonomy
The Postman skill follows a strict directory taxonomy to ensure data persistence and ease of access for Openclaw Skills:
| File/Folder | Purpose | Format |
|---|---|---|
~/postman/memory.md |
Tracks active projects, preferences, and API patterns. | Markdown |
~/postman/collections/ |
Storage for all Postman collection definition files. | JSON (v2.1.0) |
~/postman/environments/ |
Storage for environment-specific variables and secrets. | JSON |
setup.md |
Internal configuration and initialization instructions. | Markdown |
Postman Advanced Features
- Headless execution support using the Newman CLI with custom reporters like HTML and JSON.
- Integration with Postman dynamic variables such as
{{$randomUUID}}and{{$randomEmail}}for high-fidelity testing. - Advanced control flow using
postman.setNextRequest()for non-linear test execution. - Seamless conversion from OpenAPI specs to Postman collections using CLI utilities.
- Pre-request script support for automated token refreshes and request signing.
SKILL.md
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