OpenClaw Skills: Setup, Picks and Risks

OpenClaw skills are directory-based instruction packages centered on a SKILL.md file with YAML metadata and Markdown guidance that teach agents how to use existing tools, differing from plugins that add code and MCP servers that expose external tools. Skills can be bundled, locally created, installed from ClawHub, Git, or local folders, and are loaded according to a seven-level precedence order in which workspace skills override lower-priority copies; eligibility can depend on required binaries, environment variables, configuration, and operating system. ClawHub provides search, installation, update, verification, and audit-status features, but the text emphasizes that skills operate with the agent’s authority and should be treated as untrusted code. Security research cited from 2026 identified hundreds of malicious ClawHub skills, including campaigns using fake prerequisites, credential stealers, scanner evasion, remote instructions, and affiliate manipulation, with some harmful releases passing automated scans. Recommended safeguards include preferring bundled or self-authored skills, reviewing SKILL.md files and scripts before installation, verifying releases, using per-agent allowlists, limiting secrets and tool permissions, monitoring network activity, applying install policies, and running agents in sandboxes, especially when they can access sensitive files, credentials, repositories, or enterprise systems.

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