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diagrammer

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 bparlan/omp-agent (GitHub) · coding · 44 stars · scanned at commit 3eb5d8d

Local Diagram Generator. Translates natural language, structural code skeletons, and database schemas into clean, version-controlled visual models (Mermaid blocks and local Excalidraw JSON files) without external APIs or MCP servers. Enforces the Code -> Diagram -> Document pipeline.

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/'diagrammer' ] || [ -L ~/.agents/skills/'diagrammer' ]; then echo 'A skill folder named diagrammer already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/bparlan/omp-agent' "$d" && git -C "$d" checkout --quiet '3eb5d8dd5b4731d24d0a1d8c8a1e0c8e949515cf' -- 'skills/diagrammer' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/diagrammer' ~/.agents/skills/'diagrammer' && 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/'diagrammer' ~/.claude/skills/'diagrammer' (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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