Agent Plugins
Agent Plugins is an open, vendor-neutral standard for packaging reusable AI agent extensions — Agent Skills and MCP servers — into a single portable plugin directory that any compatible agent client can read. Its goal is to end per-client fragmentation so plugin authors package once instead of duplicating work for every agent tool.
At a Glance
- Plugin and Agent Skill authors
- AI agent client implementers
- Developer tools vendors
- Enterprises distributing internal agent extensions
AI Tools by Agent Plugins
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Agent Plugins
AI Agent Plugin Specification
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Latest News
Introducing Agent Plugins
Amazon, Cursor, Microsoft, OpenAI, and Vercel unite on a shared standard for AI agent plugins
VS Code Agent Plugins Go Cross-Client with New Open Standard
Google Joins Agent Plugins 1.0 as a Core Maintainer
Products & Services
Version 1.0.0 of the plugin package format: a directory containing a plugin.json manifest, a skills/ folder of SKILL.md-based Agent Skills, an optional mcp.json for MCP server configuration, and optional reverse-domain extension namespaces for client-specific files.
Canonical machine-readable schemas for the plugin manifest and MCP server configuration, used to validate plugins and to power editor tooling.
Documentation covering how to package a plugin and how an agent client should discover, load, and namespace plugin components.
Market Position
Positioned as the neutral ground between vendor-specific plugin formats. Its governance explicitly bars any single vendor from a majority of Core Maintainer seats, which is the pitch against a format controlled by one company. Anthropic is notably not on the maintainer or launch-client list — Claude Code's plugin format uses a different layout — so the standard's main open question is whether it becomes universal or splits the ecosystem in two.
Key Competitors
Leadership
Executive Team
Jonathan Hefner
Lead Core Maintainer
Represents Vercel on the Agent Plugins Technical Steering Committee; serves as tie-breaker under the project's technical charter.
Clare Liguori
Core Maintainer
Represents Amazon (AWS) on the Technical Steering Committee.
Founding Story
Agent Skills and MCP servers had proliferated across AI coding and chat clients, but each client invented its own packaging layout, forcing authors to maintain parallel copies of the same extension. Amazon, Cursor, Microsoft, OpenAI and Vercel co-authored a minimal shared format — a folder with a plugin.json manifest, a skills/ directory and an optional mcp.json — and shipped it as version 1.0.0 on August 6, 2026 under a multi-vendor technical charter that forbids any single vendor from holding a majority of Core Maintainer seats.
Business Model
Revenue Model
Not a commercial entity. Agent Plugins is an openly licensed, multi-vendor standards project — the specification and documentation are CC-BY-4.0 and the code is Apache 2.0, with no paid product or service.
Target Markets
- Plugin and Agent Skill authors
- AI agent client implementers
- Developer tools vendors
- Enterprises distributing internal agent extensions
- Publishing a skill or MCP server once and having it work across multiple agent clients
- Distributing internal tooling to an organization's agent clients from a single package
- Implementing plugin discovery and loading inside a new agent client
- Bundling MCP servers together with the skills that use them