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map-data

92 / 100 · Low risk

Fine to try. Some of what it can do is expected: a data skill usually connects to databases or online services with your credentials.

By melodic-software/claude-code-plugins (GitHub) · data · 30 stars · scanned at commit 677e798

Entity-relationship diagram from committed schema declarations, with no database connection: Prisma models win over a stated subset of Entity Framework fluent mappings, which win over SQL migrations read from a stated subset of statements, and a disagreement is reported. Use when 'map data', 'ERD', 'entity relationship', 'schema diagram', 'cardinality from mappings', or 'which tables relate'. Skip when the question is deployment topology, runtime state, or data volume.

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/'map-data' ] || [ -L ~/.agents/skills/'map-data' ]; then echo 'A skill folder named map-data already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/melodic-software/claude-code-plugins' "$d" && git -C "$d" checkout --quiet '677e7988f432dacb5e2d4df2b124f96da8e8f9f3' -- 'plugins/architecture/skills/map-data' && mkdir -p ~/.agents/skills && cp -R "$d"/'plugins/architecture/skills/map-data' ~/.agents/skills/'map-data' && 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/'map-data' ~/.claude/skills/'map-data' (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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