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Anthropic Agent Skills Open Standard Donated to Agentic AI Foundation
Anthropic donated the Agent Skills open standard to the Agentic AI Foundation on October 22, 2026, transferring the name, logo, GitHub organization, and domain.
On October 22, 2026, Anthropic announced the donation of its Agent Skills open standard to the Agentic AI Foundation, a Linux Foundation project co-founded with Block and OpenAI. The transfer includes the Agent Skills name and logo, the associated GitHub organization, and the agentskills.io domain. Licenses remain Apache 2.0 for code and CC-BY-4.0 for documentation.
Technical Format and Adoption Metrics
Agent Skills uses a folder-based structure that contains a SKILL.md file with instructions for a task or domain, along with optional scripts and reference materials. Agents load only the name and description at startup and pull full details when the skill becomes relevant. Anthropic created the format for Claude Code in late 2025 to fill gaps in procedural and domain knowledge, then published it as an open standard in December 2025.
Anthropic reported more than 70 agent platforms have integrated the format, including examples such as ChatGPT, Cursor, GitHub Copilot, and VS Code. The company also stated that roughly one million skills have been published and nearly 280 million have been installed. These adoption figures come from Anthropic and have not been independently verified by outside sources.
Engineers from Anthropic, Google, OpenAI, and other organizations serve as individual maintainers rather than company representatives. David Soria Parra and Mahesh Murag were named lead maintainers. The Agentic AI Foundation already hosts Anthropic’s earlier donation, the Model Context Protocol.
Event Context and Governance Roadmap
The announcement occurred during AGNTCon and MCPCon North America, held October 22–23, 2026, at the San Jose McEnery Convention Center. At the same event, the Agentic AI Foundation added three other projects: Open Responses from OpenAI, OpenEnv from Hugging Face, and OpenSandbox from Alibaba. The foundation now maintains ten projects in total.
The proposed roadmap includes versioned releases, a formal proposal process for new contributions, and security guidance for skill authors and users. Governance will follow the transparent model already used for the Model Context Protocol, with input collected through Discord and GitHub. Users and contributors do not need to join the foundation to participate.
The Agentic AI Foundation launched in December 2025 to provide vendor-neutral homes for agentic AI standards and protocols. Its initial projects included the Model Context Protocol, goose, and AGENTS.md. The donation of Agent Skills continues that effort to consolidate development of shared infrastructure for AI agents under a single Linux Foundation umbrella.
Frequently asked questions
What exactly was transferred in the Anthropic Agent Skills donation?
Anthropic transferred the Agent Skills name, logo, GitHub organization, and agentskills.io domain to the Agentic AI Foundation. Code and documentation licenses stayed the same, and existing users face no change in access or requirements.
How does the Agent Skills folder format work for AI agents?
Each skill is a directory with a SKILL.md file that holds task instructions plus any supporting scripts. Agents read only the name and description on startup and load the full content only when the skill matches the current context.
Who maintains the Agent Skills standard after the donation?
Individual engineers from multiple companies, including Anthropic, Google, and OpenAI, serve as maintainers. David Soria Parra and Mahesh Murag were appointed lead maintainers, continuing the model already used for the Model Context Protocol.
When did the Agentic AI Foundation receive the donation?
The donation was announced on October 22, 2026, during the AGNTCon and MCPCon events in San Jose. The foundation simultaneously added three other projects, bringing its total to ten hosted initiatives.
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