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channel-capabilities

100 / 100 · Low risk

Fine to try.

By pikkujs/pikku (GitHub) · coding · 59 stars · scanned at commit 681b92b

Use when a server-side function needs something only the connected client knows or can do — a git sha, a working tree, a local file, a push — or when writing or reviewing `channel.remote`, capability maps, or approval policy. Covers reverse RPC over a channel, which end is untrusted, why an unclassified capability needs approval, and the pending-frame/timeout interaction. Triggered by: 'the command needs the client's git sha', 'expose a capability to the server', 'why is it asking me to approve…

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/'channel-capabilities' ] || [ -L ~/.agents/skills/'channel-capabilities' ]; then echo 'A skill folder named channel-capabilities already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/pikkujs/pikku' "$d" && git -C "$d" checkout --quiet '681b92b51ef37b13c246063defbe9dfc2a9e5135' -- '.claude/skills/channel-capabilities' && mkdir -p ~/.agents/skills && cp -R "$d"/'.claude/skills/channel-capabilities' ~/.agents/skills/'channel-capabilities' && 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/'channel-capabilities' ~/.claude/skills/'channel-capabilities' (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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