skill-autobench

95 / 100 · Low risk

Fine to try. Some of what it can do is expected: a coding skill usually runs build and test commands.

By garrytan/gbrain (GitHub) · coding · 32,412 stars · scanned at commit 001c8c3

Author an eval for an existing skill from its REAL usage history, not its spec. Mine invocations from the brain's conversation archive (conversations/) and per-harness session transcripts — a user correction after an invocation is the gold signal — then synthesize an eval_contract plus 4-8 replayable cases with honesty labels (SPEC-DERIVED vs HISTORY-IMPLIED) and stage the result at skills/<name>/eval/autobench-<date>.md as PENDING-HUMAN-APPROVAL. Never rewrites SKILL.md. Ships two guard compan…

Works with any agent that supports SKILL.md skills.

What this skill can do

Runs commands on your computer

The author does not mention this. It runs automatically when the plugin is installed. Expected for a coding skill.

Found in 6 places.

skills/skill-autobench/SKILL.md, line 64gbrain search "<skill-name>"
skills/skill-autobench/SKILL.md, line 133gbrain eval cross-modal --task "<what the output was meant to achieve>" --output <path>
.codex-plugin/mcp.json, line 4"command": "./.agents/gbrain-launcher",

Show 3 more

.claude-plugin/plugin.json, line 24"command": "${CLAUDE_PLUGIN_ROOT}/.agents/gbrain-launcher",
.claude-plugin/plugin.json, line 40"command": "env GBRAIN_HOOK_LANE=plugin \"${CLAUDE_PLUGIN_ROOT}/.agents/gbrain-launcher\" hook user-prompt",
.codex-plugin/plugin.json, line 30"command": "env GBRAIN_HOOK_LANE=plugin \"${PLUGIN_ROOT}/.agents/gbrain-launcher\" hook user-prompt --harness codex",

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'skill-autobench' ] || [ -L ~/.agents/skills/'skill-autobench' ]; then echo 'A skill folder named skill-autobench already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/garrytan/gbrain' "$d" && git -C "$d" checkout --quiet '001c8c39e84d726e9bb6ecbae053458c970d5af3' -- 'skills/skill-autobench' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/skill-autobench' ~/.agents/skills/'skill-autobench' && 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/'skill-autobench' ~/.claude/skills/'skill-autobench' (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

Date	Version	Score
2026-11-10	`001c8c3`	95
2026-11-08	`98dda48`	95
2026-11-07	`a03306c`	95