OpenAI MCP Extensions
VerifiedOfficialby OpenAI
Official listing: built and published by OpenAI. More from OpenAI
Extends MCP servers and apps with ChatGPT-native features like sidebar entrypoints, file handlers, and composer mentions, for plugin developers.
- Access
- MCP
- Auth
- None
- Skills
- 5
Skills
App Entrypoints
Lets users open a plugin's MCP App from the ChatGPT sidebar or from a thread, including through deep links.
File Extension Handlers
Renders custom file viewers when users open a supported file type, with resource reads and writes.
Composer Mentions
Lets users search a plugin's resources from the composer and attach references to a message.
Form Elicitation
Extends MCP elicitation with thumbnails, option descriptions, suggested values, and resource selection.
Structured Settings
Exposes plugin settings that ChatGPT can read and update through a structured schema.
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