A technical utility that compares two files and generates a clean, human-readable markdown diff to highlight additions, deletions, and modifications.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install file-diff
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 file-diff 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 File Diff?
The File Diff skill is a specialized tool designed to streamline the process of comparing text-based files within your development environment. By leveraging the power of Openclaw Skills, it transforms raw system diff outputs into structured, readable markdown that is easy for both humans and AI agents to interpret.
This skill is particularly valuable when performing code reviews, tracking configuration changes, or debugging unexpected behavior between original and modified files. It focuses on clarity, ensuring that every change is contextualized with line numbers and clear visual indicators.
File Diff Use Cases
- Comparing source code versions to identify specific logic changes.
- Auditing configuration file updates across different environments.
- Reviewing content modifications in documentation or markdown files.
- Validating file integrity after automated refactoring or script execution.
How File Diff Works
- The agent identifies the source and target file paths based on the user request.
- It executes a unified diff command (
diff -u) to capture structural changes. - The raw output is parsed to extract metadata such as file paths and line numbers.
- The data is transformed into a clean markdown format with syntax-highlighted diff blocks.
- The final comparison is presented to the user with clear '+' and '-' indicators for easy scanning.
File Diff Setup
To use this Openclaw Skills utility, ensure you have the diff tool installed on your system (pre-installed on most Linux and macOS environments). You can trigger the skill using the following command structure:
# Standard comparison
diff <source_file> <target_file>
# Recommended unified format for Openclaw Skills
diff -u <source_file> <target_file>
File Diff Data Schema & Taxonomy
The skill organizes its output into a structured markdown report to maintain consistency across different Openclaw Skills implementations:
| Element | Description |
|---|---|
| File A | The path to the original/source file. |
| File B | The path to the modified/target file. |
| Differences | A section containing specific changes grouped by line numbers. |
| Diff Block | Code blocks using diff syntax highlighting for visual clarity. |
File Diff Advanced Features
- Unified format support (
-u) for more readable context surrounding changes. - Multi-language support for triggers (e.g., handles requests in both English and Chinese).
- Context-aware parsing that preserves line numbers for precise debugging.
- Seamless integration with other Openclaw Skills that require file validation or auditing.
SKILL.md
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