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codex-mirror

85 / 100 · Low risk

Fine to try.

By tonydzi/second-brain-starter-kit (GitHub) · coding · 15 stars · scanned at commit 1e330b2

Rebuild the canon mirror for a second coding agent (AGENTS.md) after a rules-file version bump: show the changelog delta, write in only the new rules, then enforce the size cap, version stamp, structural anchors, a copy into the shared folder and the linter run. Triggers: "/codex-mirror", "update the codex mirror", "AGENTS.md is stale".

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/'codex-mirror' ] || [ -L ~/.agents/skills/'codex-mirror' ]; then echo 'A skill folder named codex-mirror already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/tonydzi/second-brain-starter-kit' "$d" && git -C "$d" checkout --quiet '1e330b279e183cf0eef80bf6c6cb7e3e16a4e1bb' -- 'skills/codex-mirror' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/codex-mirror' ~/.agents/skills/'codex-mirror' && 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/'codex-mirror' ~/.claude/skills/'codex-mirror' (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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