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AI Plugins

How do AI plugin ecosystems compare?

Directories, MCP and skill bundles, hooks, private installs, interactive UI, admin controls and the Agent Plugins standard.

Ecosystems
10
Features
10
Verified cells
73/100
Sources
30
YesPartialNoUnknownHover a cell for notes. Click it to open the source.
EcosystemPublic directoryMCP-basedBundles skillsHooksPrivate / customGit marketplacesOAuth sign-inInteractive UIOrg admin controlsAgent Plugins standard
ChatGPT pluginsOpenAI · ChatGPT web, desktop and mobileYesYesYesUnknownYesYesYesYesYesYes
Codex pluginsOpenAI · Codex CLI, IDE extension and appYesYesYesPartialYesYesYesUnknownYesYes
Claude plugins (apps)Anthropic · Claude.ai, Desktop and CoworkYesYesYesPartialYesYesYesYesYesUnknown
Claude Code pluginsAnthropic · Terminal, IDE extensions, desktop Code tabYesYesYesYesYesYesYesUnknownYesNo
Cursor pluginsAnysphere · Cursor editor and CLIYesYesYesYesUnknownYesYesUnknownUnknownYes
GitHub Copilot / VS Code pluginsGitHub / Microsoft · VS Code, Copilot CLI, Copilot app, Copilot cloud agentYesYesYesYesYesYesPartialUnknownYesYes
Gemini CLI extensionsGoogle · Gemini CLIYesYesYesYesYesPartialYesUnknownUnknownUnknown
Gemini app & Gemini EnterpriseGoogle · Gemini web/mobile, Gemini EnterpriseUnknownYesUnknownUnknownPartialUnknownYesPartialYesUnknown
Microsoft 365 Copilot pluginsMicrosoft · Microsoft 365 Copilot, Copilot StudioYesYesYesUnknownYesUnknownYesYesYesUnknown
Goose extensionsBlock / AAIF · Goose desktop and CLIPartialYesUnknownUnknownUnknownUnknownUnknownUnknownUnknownUnknown

Features

What each column means and who supports it
Public directoryA vendor-run public directory or marketplace where users browse and install plugins.8 of 10 yesMCP-basedPlugins can bundle or are built on Model Context Protocol servers.10 of 10 yesBundles skillsPlugins can package Agent Skills (SKILL.md instruction packages).8 of 10 yesHooksPlugins can register lifecycle hooks that run on events.4 of 10 yesPrivate / customInstall private or custom plugins that aren't in the public directory (upload, local path or custom server).7 of 10 yesGit marketplacesAdd third-party or team marketplaces from a Git repository.6 of 10 yesOAuth sign-inPlugins or their MCP servers can sign users in with OAuth.8 of 10 yesInteractive UIPlugins can render interactive UI in the conversation (MCP Apps or equivalent).3 of 10 yesOrg admin controlsOrganization admins can allow, block, require or scope plugins.7 of 10 yesAgent Plugins standardLoads the portable Agent Plugins 1.0.0 package format (root plugin.json + skills/ + mcp.json).4 of 10 yes

Plugins updates

All →

  1. Four ecosystems now load the portable Agent Plugins format

    OpenAI (ChatGPT and Codex), Cursor and GitHub Copilot/VS Code document Agent Plugins 1.0.0 support, with one root plugin.json plus skills/ and mcp.json. Claude Code still uses its own manifest, and an open feature request asks for the standard.

    Source

  2. AI plugins: 10 tracked across 10 capabilities

    73 of 100 cells are verified against vendor docs and 27 are still marked unknown. The most widely confirmed capability is MCP-based (10 of 10).

  3. A unified Plugins page starts rolling out in Claude

    Customize > Plugins is rolling out to Free, Pro, Max, Ultra and Team, and reaches Enterprise on Nov 30, 2026. A plugin installed on your account also syncs into Claude Code.

    Source

  4. ChatGPT plugins replace new GPT creation for some Enterprise workspaces

    Creating new GPTs ended for affected Enterprise workspaces. Plugins, which bundle skills, MCP apps and interactive views, are the path forward.

    Source

  5. MCP Apps render inside Gemini Enterprise

    Google's developer guide shows MCP Apps rendering in Gemini Enterprise chat, in an iframe, fullscreen or in a side panel. Interactive UI now has three big hosts: ChatGPT, Claude and Gemini Enterprise.

    Source

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