Agent Skills published as an open standard
Anthropic publishes Agent Skills as an open standard for cross-platform portability at agentskills.io.
Moves the SKILL.md folder format from a Claude feature to a published specification any agent product can adopt, following the MCP pattern of opening an Anthropic-originated format.
- Date
- Thursday, 18 December 2025
- Lab
- Anthropic
- Kind
- infra
- Access
- open standard
Date and standard status come from an update note on the engineering post; adopters beyond Anthropic were not checked. The 'following the MCP pattern' line is an inference.
Sources
This record was checked against its sources on 6 October 2026. How we check