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claude-harness-canary

97 / 100 · Low risk

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

By gtapps/hermitd (GitHub) · coding · 84 stars · scanned at commit c2d971a

Run the minimum current-Claude compatibility canary for hermitd by driving real interactive Claude Code instances in tmux with --plugin-dir. Use before a core release or after a Claude Code upgrade to verify cached model switching, unattended prompt safety, and native Monitor/Cron routine lifecycle. Core only; not application testing or CI.

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/'claude-harness-canary' ] || [ -L ~/.agents/skills/'claude-harness-canary' ]; then echo 'A skill folder named claude-harness-canary already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/gtapps/hermitd' "$d" && git -C "$d" checkout --quiet 'c2d971ab801daa0725f1554f92e405e62f76a3e8' -- '.agents/skills/claude-harness-canary' && mkdir -p ~/.agents/skills && cp -R "$d"/'.agents/skills/claude-harness-canary' ~/.agents/skills/'claude-harness-canary' && 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/'claude-harness-canary' ~/.claude/skills/'claude-harness-canary' (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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