tool-og-render

82 / 100 · Low risk

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

By dmthepm/mainbranch (GitHub) · coding · 44 stars · scanned at commit 96debeb

Render inline SVG to 1200x630 PNG for OG meta tags. rsvg-convert primary path, cairosvg fallback. Bundled with mainbranch PyPI package.

Works with any agent that supports SKILL.md skills.

What this skill can do

Downloads and installs other software

The author does not mention this.

Found in 4 places.

tools/tool-og-render/README.md, line 10brew install librsvg # macOS
tools/tool-og-render/README.md, line 11apt install librsvg2-bin # Linux
tools/tool-og-render/README.md, line 12pipx install mainbranch # gets the wrapper

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tools/tool-og-render/README.md, line 21`resvg` (Rust). Single static <3MB binary, sub-10ms render, identical macOS/Linux output, no system deps. Drop-in replacement via `brew install resvg`. Gate the

Runs commands on your computer

This is disclosed by the author in the skill's SKILL.md or README. It runs automatically when the plugin is installed. Expected for a coding skill.

Found in 5 places.

hooks/hooks.json, line 10"command": "if command -v mb >/dev/null 2>&1 && out=$(mb role hook --source startup 2>/dev/null); then [ -z \"$out\" ] || printf '%s\\n' \"$out\"; elif set -- \
hooks/hooks.json, line 20"command": "if command -v mb >/dev/null 2>&1 && out=$(mb role hook --source resume 2>/dev/null); then [ -z \"$out\" ] || printf '%s\\n' \"$out\"; elif set -- \"
hooks/hooks.json, line 30"command": "if command -v mb >/dev/null 2>&1 && out=$(mb role hook --source clear 2>/dev/null); then [ -z \"$out\" ] || printf '%s\\n' \"$out\"; elif set -- \"$

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hooks/hooks.json, line 40"command": "if command -v mb >/dev/null 2>&1 && out=$(mb role hook --source compact 2>/dev/null); then [ -z \"$out\" ] || printf '%s\\n' \"$out\"; elif set -- \
hooks/hooks.json, line 50"command": "if command -v mb >/dev/null 2>&1 && out=$(mb role hook --source fork 2>/dev/null); then [ -z \"$out\" ] || printf '%s\\n' \"$out\"; elif set -- \"${

Install

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

if [ -e ~/.agents/skills/'tool-og-render' ] || [ -L ~/.agents/skills/'tool-og-render' ]; then echo 'A skill folder named tool-og-render already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/dmthepm/mainbranch' "$d" && git -C "$d" checkout --quiet '96debeb192b64fd986cb725be25e6c62eaf3ce15' -- 'tools/tool-og-render' && mkdir -p ~/.agents/skills && cp -R "$d"/'tools/tool-og-render' ~/.agents/skills/'tool-og-render' && 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/'tool-og-render' ~/.claude/skills/'tool-og-render' (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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Score history

Date	Version	Score
2026-11-11	`96debeb`	82