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screenshot-diff

100 / 100 · Low risk

Fine to try.

By airiclenz/apogee (GitHub) · coding · 11 stars · scanned at commit 82251cb

Captures screenshots of a web app before and after a change and highlights the regions that differ.

Works with any agent that supports SKILL.md skills.

What this skill can do

We found nothing in the files we read that matches our rules. That does not prove the skill is safe: see the limits of static scanning.

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'screenshot-diff' ] || [ -L ~/.agents/skills/'screenshot-diff' ]; then echo 'A skill folder named screenshot-diff already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/airiclenz/apogee' "$d" && git -C "$d" checkout --quiet '82251cbc9f14fbf9c2d1bfa606d066289ddc8c5d' -- 'internal/skills/testdata/library/skills/screenshot-diff' && mkdir -p ~/.agents/skills && cp -R "$d"/'internal/skills/testdata/library/skills/screenshot-diff' ~/.agents/skills/'screenshot-diff' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'screenshot-diff' ~/.claude/skills/'screenshot-diff' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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