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json-diff

95 / 100 · Low risk

Fine to try. Some of what it can do is expected: a coding skill usually runs build and test commands.

By Lethe044/agentskill-kit (GitHub) · coding · 50 stars · scanned at commit e1abb2b

Compares two JSON files structurally and lists added, removed and changed values with their full paths. Use when the user asks what changed between two API responses, config files, fixtures or package manifests.

Works with any agent that supports SKILL.md skills.

What this skill can do

Install

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

if [ -e ~/.agents/skills/'json-diff' ] || [ -L ~/.agents/skills/'json-diff' ]; then echo 'A skill folder named json-diff already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/Lethe044/agentskill-kit' "$d" && git -C "$d" checkout --quiet 'e1abb2b2e0e26ee9a074afcbd95bbbd6729daa08' -- 'skills/json-diff' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/json-diff' ~/.agents/skills/'json-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/'json-diff' ~/.claude/skills/'json-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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