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fable-operator

100 / 100 · Low risk

Fine to try.

By ericrisco/rsc-harness (GitHub) · coding · 591 stars · scanned at commit f3765d3

Use when a substantive request needs verified, calibrated reasoning — analysis, diagnosis, review, advice, or a draft the user will act on — even when rigor is not asked for, and most of all when being wrong is expensive or irreversible. NOT casual chat (rigor theater), NOT the SDD gates `verify`, `debug`, `review`; this is the discipline beneath them.

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/'fable-operator' ] || [ -L ~/.agents/skills/'fable-operator' ]; then echo 'A skill folder named fable-operator already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/ericrisco/rsc-harness' "$d" && git -C "$d" checkout --quiet 'f3765d35e91690c0c7e511447da6cd0176ab38e0' -- 'skills/fable-operator' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/fable-operator' ~/.agents/skills/'fable-operator' && 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/'fable-operator' ~/.claude/skills/'fable-operator' (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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Score history