A versatile CLI utility for calculating cryptographic hash values and verifying file integrity across multiple algorithms.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install hash-tool
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 hash-tool 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 Hash Tool?
Hash Tool is a high-performance utility designed for developers and security professionals who need to compute cryptographic checksums for files and text. By supporting industry-standard algorithms such as MD5, SHA-1, SHA-256, and SHA-512, this skill ensures data integrity and authenticity. As a part of the Openclaw Skills ecosystem, it provides a reliable way to validate downloads, secure data transmissions, and perform rapid data audits.
In modern development workflows, ensuring that a file hasn't been tampered with or corrupted is critical. Hash Tool simplifies this process by providing a unified interface for various hashing functions, allowing for seamless integration into automated security checks and deployment pipelines.
Hash Tool Use Cases
- Verifying the integrity of software downloads against official checksums.
- Generating unique digital signatures for data validation.
- Checking for file corruption in automated backup and recovery systems.
- Integrating automated file verification into CI/CD pipelines using Openclaw Skills.
- Validating text-based data consistency via piped inputs.
How Hash Tool Works
- Specify the desired cryptographic algorithm (MD5, SHA-1, SHA-256, or SHA-512).
- Point the tool to a specific file path or provide text input via standard input.
- The skill processes the data stream through the selected mathematical hashing function.
- The tool outputs a unique hexadecimal string representing the data's checksum.
- Compare the output against a known value to confirm data integrity.
Hash Tool Setup
To get started with these Openclaw Skills, ensure you have the environment ready and run the following commands:
# Install the hash-tool skill
openclaw install hash-tool
# Verify a file using SHA-256
hash-tool sha256 example_document.pdf
Hash Tool Data Schema & Taxonomy
The skill operates on standard file inputs and produces a hexadecimal output. Below is the primary configuration schema:
| Input Type | Format | Supported Algorithms |
|---|---|---|
| File | Path to local file | md5, sha1, sha256, sha512 |
| Text | Piped string input | md5, sha1, sha256, sha512 |
| Output | Hexadecimal string | N/A |
Hash Tool Advanced Features
- Support for standard input (stdin) allowing hashes to be calculated from command pipes.
- Multi-algorithm support ranging from legacy MD5 to modern SHA-512 standards.
- Efficient streaming for large file processing without high memory overhead.
- Script-friendly output for integration with other Openclaw Skills and automation tools.
SKILL.md
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