Hub/AI Plugins/Private / custom
Which ecosystems support Private / custom?
Install private or custom plugins that aren't in the public directory (upload, local path or custom server).
7 Yes1 Partial
Verified Yes: ChatGPT plugins, Codex plugins, Claude plugins (apps), Claude Code plugins, GitHub Copilot / VS Code plugins, Gemini CLI extensions, Microsoft 365 Copilot plugins.
| Ecosystem | Status | Notes | Source |
|---|---|---|---|
| ChatGPT pluginsOpenAI | Yes | Plugin Creator, ZIP upload and private workspace plugins with share/publish permissions. | Source |
| Claude Code pluginsAnthropic | Yes | Any Git repo, URL or local path; --plugin-dir for one session. | Source |
| Claude plugins (apps)Anthropic | Yes | Upload a zip (up to 200 MB, 5,000 files). | Source |
| Codex pluginsOpenAI | Yes | Install from local paths, git or npm sources. | Source |
| Gemini CLI extensionsGoogle | Yes | Install from a GitHub URL or a local path. | Source |
| GitHub Copilot / VS Code pluginsGitHub / Microsoft | Yes | Private repos supported, with a trust prompt. | Source |
| Microsoft 365 Copilot pluginsMicrosoft | Yes | Admins upload plugin or skill manifests to the tenant registry. | Source |
| Gemini app & Gemini EnterpriseGoogle | Partial | Custom MCP servers: US, 18+, personal accounts, English only; write actions need confirmation. | Source |
| Cursor pluginsAnysphere | Unknown | — | |
| Goose extensionsBlock / AAIF | Unknown | — |
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