diffy-skills

Claude Code plugin marketplace for Diffy visual-regression testing.

This repo distributes a single plugin, diffy, built on the diffy CLI, with two capture modes:

• Local — capture a running app on your machine inside Diffy's published diffywebsite2/screenshot-worker Docker container (the production rendering runtime, run locally) and upload it. Requires Docker.
• Remote — have Diffy capture on its own servers (no local browser or Docker) — screenshot an environment or diff two environments server-side.

When a request doesn't say where to capture, Claude asks whether to run local or remote (on app.diffy.website). See plugins/diffy/README.md for the full skill list and prerequisites.

Install

/plugin marketplace add diffywebsite/diffy-skills
/plugin install diffy@diffy

Then the skills are available namespaced, e.g. /diffy:visual-diff or /diffy:compare-environments. Claude also invokes them automatically based on your request.

Skills

Skill	Mode	What it does
/diffy:create-project	either	Create a new Diffy project from a base URL, pages, and breakpoints.
/diffy:get-project-settings	either	Show an existing project's settings as export YAML.
/diffy:update-project-settings	either	Edit pages, environments, breakpoints, masks, login, schedule, etc.
/diffy:upload-screenshot	local	Capture a running app in the screenshot-worker container and upload it.
/diffy:remote-screenshot	remote	Ask Diffy to screenshot an environment on its servers.
/diffy:get-screenshot-info	either	Check whether a screenshot set finished capturing; list recent sets.
/diffy:compare-screenshots	either	Create a diff from two existing screenshot set IDs.
/diffy:get-diff-info	either	Summarize a diff: % changed, per-page/breakpoint table, report link, JUnit.
/diffy:visual-diff	local	End-to-end before/after regression on your local UI.
/diffy:compare-environments	remote	Compare two environments server-side.

Local development / testing (no install)

# from the repo root
claude --plugin-dir ./plugins/diffy
claude plugin validate ./plugins/diffy    # run before publishing / submitting

Use /reload-plugins inside a session to pick up edits without restarting.

License

MIT — see LICENSE.