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Agent Skills Spec

Specification for agent skills

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Anthropic's specification for agent skills, intended to define how reusable skills are packaged and used by agent workflows in the Claude ecosystem.

Recent stories

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workflowPRIMARY2026-05-24

Agent Skills ecosystem ships handoff docs, htmx v4 packs, and Project Think support

Independent builders published reusable skills infrastructure across coding agents, including Project Think preview support, handoff docs, and an htmx v4 skill pack. That matters because skills are starting to work like portable workflow units instead of one-off prompt snippets inside a single tool.

workflowPRIMARY2026-05-23

Agent Skills supports Codex, Cursor, Gemini CLI, and VS Code through new libraries and plugins

New guides, plugins, and reusable libraries show the Agent Skills format moving beyond Claude Code into multiple coding-agent clients and runtimes. That matters because workflows are becoming portable artifacts instead of one-off prompts tied to a single harness.