If you’ve ever built an MCP server or agent skill, you know that packaging it means adapting for one client, re-writing for another, and repeating that for every tool your team uses. Agent Plugins 1.0.0 is an open source, vendor-neutral specification that gives AI agent extensions a common packaging format so you can package an extension once and ship it to any client, including Kiro, VS Code, Cursor, or any tool that implements the spec.
AWS is a founding member of the Agent Plugins Technical Steering Committee along with Cursor, Microsoft, OpenAI, and Vercel, and we’re excited to support this standard enabling portability for skills and MCP packaging across agents. We’ve already made AWS Agent Toolkit compatible and Kiro is rolling out support for the Agent Plugins spec.
Extensions are reusable components like skills, MCP servers, hooks, and sub-agents that give an AI agent new capabilities, connect it to external tools and data, or automate tasks on…
