About
skillsign is a cryptographic tool for signing and verifying Claude agent skill folders using ed25519 keys to ensure integrity and provenance. It allows developers to detect tampering, manage trusted authors, and track skill origin chains (isnād). Use it to protect your skills from unauthorized modifications and verify the authenticity of skills you install.
Quick Install
Claude Code
Recommendednpx skills add openclaw/skills -a claude-code/plugin add https://github.com/openclaw/skillsgit clone https://github.com/openclaw/skills.git ~/.claude/skills/skillsignCopy and paste this command in Claude Code to install this skill
GitHub Repository
Frequently asked questions
What is the skillsign skill?
skillsign is a Claude Skill by openclaw. Skills package instructions and resources that Claude loads on demand, so Claude can perform skillsign-related tasks without extra prompting.
How do I install skillsign?
Use the install commands on this page: add skillsign to Claude Code as a plugin, or clone its repository into your skills directory, then restart Claude so it picks up the skill.
What category does skillsign belong to?
skillsign is in the Meta category, tagged ai.
Is skillsign free to use?
Yes. skillsign is listed on AIMCP and free to install. It runs inside Claude, so no separate service account is required to use the skill itself.
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