diffity-diff
You are opening the diffity diff viewer so the user can see their changes in the browser.
Works with
Installation Guide
How to use diffity-diff on Cursor
AI-first code editor with Composer
Prerequisites
Before installing skills in Cursor, ensure your development environment meets these requirements:
- ›Cursor installed and configured on your machine
- ›Node.js 16+ with npm — verify with
node --version - ›Active project directory where you want to add
diffity-diff
Run the install command
Execute the skills CLI command in your project's root directory to begin installation:
Fetches diffity-diff from kamranahmedse/diffity and configures it for Cursor.
Select Cursor when prompted
The CLI shows a list of agents. Use arrow keys and space to select Cursor:
Verify installation
Confirm successful installation by checking the skill directory location:
Restart Cursor to activate diffity-diff. Access via /diffity-diff in your agent's command palette.
Security Notice
We perform automated surface-level scans (Gen AI Scanner, Socket, Snyk) during installation. These checks detect common vulnerabilities but do not guarantee complete security. Always review skill source code and verify the publisher's reputation before production use.
Skills execute code in your environment. Always review source, verify the publisher, and test in isolation before production.
Documentation
Diffity Diff Skill
You are opening the diffity diff viewer so the user can see their changes in the browser.
Arguments
ref(optional): Git ref to diff (e.g.main..feature,HEAD~3) or a GitHub PR URL (e.g.https://github.com/owner/repo/pull/123). Defaults to working tree changes.
Instructions
-
Check that
diffityis available: runwhich diffity. If not found, install it withnpm install -g diffity. -
Run
diffity <ref>(or justdiffityif no ref) using the Bash tool withrun_in_background: true:- The CLI handles everything: if an instance is already running for this repo it reuses it and opens the browser, otherwise it starts a new server and opens the browser.
- Do NOT use
&or--quiet— let the Bash tool handle backgrounding.
-
Wait 2 seconds, then run
diffity list --jsonto get the port. -
Tell the user diffity is running. Print the URL and keep it short — don't show session IDs, hashes, or other internals. Example:
Diffity is running at http://localhost:5391
When you're ready:
- Leave comments on the diff in your browser, then run /diffity-resolve to fix them
- Or run /diffity-review to get an AI code review
List & Monetize Your Skill
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Use Cases
User Story & Requirements Generation
Create detailed user stories, acceptance criteria, and feature specs
Example
Generate user stories for 'password reset feature' with acceptance criteria, edge cases, and test scenarios
Reduce spec writing time by 50%, ensure comprehensive coverage
Competitive Analysis
Research competitors, compare features, identify gaps
Example
Analyze 5 competitor products, create feature comparison matrix, suggest differentiation opportunities
Complete competitive research in 2 hours instead of 2 days
Roadmap Prioritization
Evaluate features using frameworks (RICE, ICE, Kano) and create prioritized backlogs
Example
Score 20 feature ideas using RICE framework, generate prioritized roadmap with rationale