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diffs

Generate shareable diffs from before/after text or patches.

Updated Aug 23, 2026
Search Tags:#diff#patch#code-review#diffs#version-control#viewer#diff-generation
One-click install
npx skills add https://github.com/rigeoben/fairy --skill diffs-rigeoben
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: diffs
Source: https://github.com/rigeoben/fairy/tree/main/extensions/diffs/skills/diffs
Command: npx skills add https://github.com/rigeoben/fairy --skill diffs-rigeoben

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Use the diffs tool to produce real, shareable diffs (viewer URL, file artifact, or both) instead of manual edit summaries.

Core Features & Use Cases

  • Diff generation: Accepts before/after text or a patch string to render a precise diff.
  • Output modes: Use mode=view for an interactive viewer, mode=file to render artifacts, or mode=both to get both outputs.
  • Sharing and configuration: Supports viewerBaseUrl, fileFormat, fileQuality, and related options to tailor outputs for teams and documentation.
  • Use Case: When reviewing a pull request or documentation changes, generate a clean, shareable diff instead of summarizing edits manually.

Quick Start

Provide before/after text pairs to generate a shareable diff.

Frequently Asked Questions about diffs

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I generate a shareable diff from before and after text?▼

To generate a shareable diff, provide before and after text pairs or a patch string. The tool renders a precise diff output that can be shared via an interactive viewer URL or a rendered file artifact.

What is the best way to create a visual diff for code review without manual summaries?▼

The best way to create a visual diff for code review is using mode=view. This generates an interactive viewer URL, replacing manual edit summaries with a precise, shareable visual representation of code changes.

Can I output a diff as a file artifact instead of a viewer URL?▼

Yes, you can output a diff as a file artifact by using mode=file. This mode renders the diff into a downloadable artifact, with options like fileFormat and fileQuality available to control the output.

Does the diff generator support both interactive viewing and file export simultaneously?▼

Yes, the diff generator supports both outputs simultaneously by using mode=both. This produces an interactive viewer URL alongside a rendered file artifact, configurable with viewerBaseUrl and fileFormat options.

How do I configure the base URL for a generated diff viewer?▼

To configure the base URL for a generated diff viewer, use the viewerBaseUrl option. This allows you to tailor the sharing link for team environments and integrate the viewer into existing documentation workflows.

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