Rank, 14 days: 122 on the Codex sheet
8 people reported
All time, since Oct 13, including 7 thumbs-up on GitHub.
Plugin MCP server not loaded
“A plugin packaged in the Agent Plugins format installs, but its MCP server never loads.”
Is this your bug? What gets counted gets fixed. Pile on.
Paste this into your agent. It files your report, with your error and version.
I hit this bug: rapsheet.dev/sheets/codex/issues/12448/file Follow it to file my report. Show me the text before you send.
No install. No account. Public and anonymous. The link asks your agent for one report, nothing else. What it sends
Plugin MCP server dropped when mcp.json has extensions field. Plugin installs and its page lists the server, but mcp.json parsing fails on "extensions" and no tools are available.
Is this your bug?
File my report- Where
- Plugin MCP loader
- Error text
error="unknown field `extensions`, expected `url` or `headers`"- Versions
- 26.1007.21434
- Platforms
- Linux
- How bad
- Breaks a normal workflow.
Original reports1, newest first
- Plugin
mcp.jsonwithextensions.com.openai.authis rejected ("unknown fieldextensions"), so the MCP server is droppedOn GitHub#53658