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substrate

100 / 100 · Low risk

Fine to try.

By butterbase-ai/butterbase-skills (GitHub) · coding · 536 stars · scanned at commit a908403

Use when the user wants to read/write their Butterbase substrate — the per-user agent-memory backend that holds entities, business state, institutional memory, and an append-only action ledger. Use for: founder copilots, AI agents that need memory across sessions, anything that proposes actions on the user's behalf.

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/'substrate' ] || [ -L ~/.agents/skills/'substrate' ]; then echo 'A skill folder named substrate already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/butterbase-ai/butterbase-skills' "$d" && git -C "$d" checkout --quiet 'a90840372baf518a6747217cc8b6b2f9bd75bf6e' -- 'skills/substrate' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/substrate' ~/.agents/skills/'substrate' && 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/'substrate' ~/.claude/skills/'substrate' (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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