MCP Extensions
by openaiBuild plugins that feel like native, first-class features of ChatGPT.
MCP Extensions is an open-source mcp server by openai, written mainly in TypeScript, with 1,118 GitHub stars and the Apache-2.0 license. Its code was last updated Oct 30, 2026.
Scan summary: scanned Nov 5, 2026 at commit 9e6d418. No capabilities flagged by our checks. Scan policy
What MCP Extensions can touch
- Our checks did not find this. The tool may still do it.Run shell commandsNot seen in this scan
- Our checks did not find this. The tool may still do it.Run dynamic codeNot seen in this scan
- Our checks did not find this. The tool may still do it.Read or write filesNot seen in this scan
- Our checks did not find this. The tool may still do it.Read environment and secretsNot seen in this scan
- Our checks did not find this. The tool may still do it.Control a web browserNot seen in this scan
- Our checks did not find this. The tool may still do it.Connect to databasesNot seen in this scan
- Our checks did not find this. The tool may still do it.Read or send messagesNot seen in this scan
- Our checks did not find this. The tool may still do it.Touch money or tradingNot seen in this scan
- Our checks did not find this. The tool may still do it.Connect to the internetNot run in this scan
"Not seen" means our checks did not find it, and the tool may still do it. Covers commit 9e6d418, Nov 5, 2026. See the scan policy.
Before you install MCP Extensions
AgenticMart scanned MCP Extensions on Nov 5, 2026 with automated checks for hidden code, known-malicious packages, leaked secrets and vulnerable dependencies. The result covers one commit under our scan policy, so review what access you give it and check any advisories shown here.
What it can access
- An MCP server is a program your AI app starts and talks to. A local one runs with your user's permissions: it can see the files, environment variables and network your account can.
Before you install
- Pin the version you reviewed instead of always installing the latest release.
- Read the tool list or scripts before the first run, and keep approval prompts on for actions that write, send or delete.
- Maintained by openai on GitHub, 1,118 stars and 55 forks. Popularity is not proof of safety.
- Last code change: Oct 30, 2026.
- Open-source license: Apache-2.0.
MCP Extensions is an open-source mcp server by openai, written mainly in TypeScript. Build plugins that feel like native, first-class features of ChatGPT.
At a glance
- Stars
- 1.1k
- Forks
- 55
- Language
- TypeScript
- License
- Apache-2.0
- Created
- Sep 2026
- Last update
- Oct 30, 2026
- Type
- MCP Server
- Price
- Free
Questions about MCP Extensions
What is MCP Extensions?
Build plugins that feel like native, first-class features of ChatGPT.
Who maintains MCP Extensions?
MCP Extensions is maintained by openai on GitHub (openai/mcp-extensions). AgenticMart lists it from public repository data.
Is MCP Extensions safe to use?
AgenticMart scanned MCP Extensions on Nov 5, 2026 with automated checks for hidden code, known-malicious packages, leaked secrets and vulnerable dependencies. The result covers one commit under our scan policy, so review what access you give it and check any advisories shown here.
What license does MCP Extensions use?
It is published under the Apache-2.0 license.
MCP Extensions alternatives
View more →Similar mcp servers in Developer Tools, ranked by GitHub stars. Compare licence, recent activity and scan status before you choose.
| Name | Stars | Licence | Last updated | Scan |
|---|---|---|---|---|
| MCP Extensions (this page) openai | 1.1k | Apache-2.0 | Oct 30, 2026 | Scanned, no flagged issues |
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