ClawHub
cn-base64-tool。纯Python标准库，无需API Key。
The catalogue holds this skill’s description, not a full SKILL.md — no upstream address was recorded at ingestion, so the body cannot be fetched.
cn-base64-tool。纯Python标准库，无需API Key。Fetch this skill’s definition over the open API — no key required.
curl -s /v1/skills/community__axehub:ClawHub__ClawHub__Cn_Base64_Tool