A specialized text comparison utility that highlights additions, deletions, and modifications across files or strings.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install diff-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 diff-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 Diff Tool?
The Diff Tool is a versatile utility integrated into the Openclaw Skills ecosystem, designed to provide clear and actionable insights when comparing two versions of text or files. It goes beyond simple comparison by offering color-coded visual feedback—highlighting additions in green, deletions in red, and modifications in yellow. This makes it an essential tool for developers and writers who need to maintain version integrity and audit changes across their workspace.
Built for speed and flexibility, this tool supports multiple output formats including standard terminal output, a simplified view for quick checks, and a structured JSON format. By utilizing this skill within Openclaw Skills, users can automate the process of finding differences in code snippets or configuration files, significantly reducing the manual effort required during debugging or content reconciliation.
Diff Tool Use Cases
- Performing line-by-line code reviews to detect logic changes or bugs.
- Comparing configuration files across different environments to ensure consistency.
- Auditing document revisions to see exactly what text has been added or removed.
- Generating automated reports of file changes within a CI/CD pipeline using JSON output.
How Diff Tool Works
- The tool receives two inputs which can be either direct text strings or paths to local files.
- A comparison engine scans the inputs to identify specific lines that have been added, deleted, or changed.
- The tool applies syntax highlighting based on the type of change detected for easy visual scanning.
- Statistical data is compiled, showing the total number of lines modified in the transaction.
- The results are rendered in the user's chosen format (standard, simple, or machine-readable JSON).
Diff Tool Setup
To use this tool within the Openclaw Skills framework, ensure you have Python 3 available on your system. You can run the script directly from your terminal using the following commands:
# Compare two text strings
python3 scripts/diff.py string "original text" "modified text"
# Compare two local files
python3 scripts/diff.py file /path/to/file1.txt /path/to/file2.txt
Diff Tool Data Schema & Taxonomy
The Diff Tool organizes comparison data into a structured format. When using the JSON output mode, the tool provides a schema that is easily parsed by other Openclaw Skills.
| Attribute | Description |
|---|---|
| status | Success or error status of the comparison |
| additions | Integer count of lines added |
| deletions | Integer count of lines removed |
| modifications | Integer count of lines changed |
| diff_content | The raw comparison data highlighting the changes |
Diff Tool Advanced Features
- Multi-format output support (Standard, Simple, and JSON) to fit various workflow requirements.
- Whitespace sensitivity control using the
--ignore-spaceflag to focus only on semantic changes. - Detailed statistical summaries providing a high-level overview of the magnitude of changes.
- CLI-first design for easy integration into custom automation scripts and other Openclaw Skills.
SKILL.md
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