ChainCatcher report: Anthropic has donated the Agent Skills standard to the Agentic AI Foundation (AAIF), under the Linux Foundation. The format was developed by Anthropic during the creation of Claude Code, launched in October 2025, and opened as a cross-platform standard in December. Over 70 agent platforms, including ChatGPT, Cursor, and GitHub Copilot, have already integrated it. Anthropic describes Skills as reusable playbooks for AI agents: developers can document task steps in SKILL.md files, along with scripts and reference materials, enabling different agents to access them on demand. MCP connects external tools and data, while Skills define how agents accomplish specific tasks. The donation includes the standard’s name, logo, GitHub organization, and official website domain. AAIF was launched in 2025 by Anthropic, OpenAI, and Block, and previously received the MCP standard. Going forward, engineers from Anthropic, OpenAI, and Google will maintain the Skills standard in their personal capacities, no longer under Anthropic’s sole leadership. According to Vercel, the skills.sh directory contains approximately one million skills with nearly 280 million cumulative installations. Snyk previously identified 76 malicious skills among samples on ClawHub; Anthropic has proposed establishing version control, a formal proposal process, and security guidelines.
Anthropic Donates the Agent Skills Standard to the Linux Foundation
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Summary
Anthropic has donated the Agent Skills standard to the Agentic AI Foundation (AAIF) under the Linux Foundation, a development covered in AI and crypto news. The standard, originally developed for Claude Code and launched in October 2025, became a cross-platform standard in December 2025, with over 70 agent platforms integrated. Skills are reusable work manuals for AI agents, documented in SKILL.md. The donation includes the standard’s name, logo, GitHub organization, and domain. Anthropic, OpenAI, and Google will now jointly maintain the standard. Vercel reports one million skills in the skills.sh directory, with 280 million installations. Snyk identified 76 malicious skills, prompting Anthropic to advocate for security guidelines. This update is part of ongoing crypto news.
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