A binary test-file gateway that provides direct download URLs for blank files across hundreds of formats via the blankfiles.com API.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install blankfiles
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 blankfiles 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 Blank Files Gateway?
The Blank Files Gateway is a specialized tool for developers and QA engineers who need instant access to authentic, blank binary files for testing upload functionalities, file processing logic, or storage systems. By integrating directly with the blankfiles.com public API, this skill allows users to discover available file formats, filter by category, and retrieve direct download links without manual searching.
As part of the broader ecosystem of Openclaw Skills, this tool emphasizes efficiency and accuracy. It acts as a read-only gateway, ensuring that users can quickly gather the assets needed for edge-case testing—such as verifying how a system handles specific MIME types or large varieties of file extensions—without needing to generate files manually.
Blank Files Gateway Use Cases
- Testing file upload components in web and mobile applications.
- Validating server-side MIME type detection and file validation logic.
- Populating cloud storage buckets with diverse file types for infrastructure testing.
- Automating QA workflows that require specific binary file formats for regression testing.
How Blank Files Gateway Works
- The skill queries the
/api/v1/filesendpoint to discover currently available formats and total counts. - It filters the results based on user-provided criteria, such as specific file extensions or broad categories like images or documents.
- The agent retrieves exact download URLs from the API response fields.
- It returns a concise response including the format, category, and a direct download link for immediate integration into the user's workflow.
Blank Files Gateway Setup
This skill functions as a read-only gateway and does not require local binary installation. Ensure your environment has network access to the primary API endpoints.
# Check API connectivity
curl https://blankfiles.com/api/v1/status
Blank Files Gateway Data Schema & Taxonomy
The skill organizes data based on the blankfiles.com API taxonomy. The following schema is used for all responses:
| Property | Description |
|---|---|
| format | The specific file extension (e.g., docx, zip, png). |
| category | The general grouping of the file (e.g., office, archive, image). |
| download_url | The direct link to the binary test file. |
| notes | Practical testing context for the specific file type. |
Blank Files Gateway Advanced Features
- Smart fallback suggestions that propose neighboring file types within the same category if an exact format is missing.
- Real-time availability verification via the status endpoint before presenting URLs to the user.
- Category-specific filtering to narrow down search results to relevant domains like video or data formats.
- Integration-ready output templates designed for seamless use within larger Openclaw Skills automation scripts.
SKILL.md
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