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sanity-singletons

100 / 100 · Low risk

Fine to try.

By sanity-io/agent-toolkit (GitHub) · coding · 197 stars · scanned at commit 3ed3a14

Configure singleton documents in a Sanity Studio using the document.singletons registry. Use when a developer wants a fixed-id document (settings, navigation, footer) edited in place, hidden from the default content list, with no "create new" or "duplicate" affordances — or when migrating a userland singleton implementation or a third-party singleton plugin (e.g. sanity-plugin-singleton-management) to the first-class API.

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/'sanity-singletons' ] || [ -L ~/.agents/skills/'sanity-singletons' ]; then echo 'A skill folder named sanity-singletons already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/sanity-io/agent-toolkit' "$d" && git -C "$d" checkout --quiet '3ed3a143f8d3413faa7790ac0b2274fd3a8a6320' -- 'skills/sanity-singletons' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/sanity-singletons' ~/.agents/skills/'sanity-singletons' && 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/'sanity-singletons' ~/.claude/skills/'sanity-singletons' (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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