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Insiders Feedback: [bug] MCP app getting 422 error and create pull request UI stays while PR is silently created #2594

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Insiders Feedback: [bug] MCP app getting 422 error and create pull request UI stays while PR is silently created#2594
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bugSomething isn't workinginsidersFeatures for the Insiders mode of the GitHub MCP Server

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@rickyzhangca
rickyzhangca
opened on Jun 2, 2026

Version: Insiders

Feature: MCP app

Feedback:

asked agent to create a PR -> shows MCP UI -> click on create pull request -> got 422 error and UI persist -> turns out PR is indeed created

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    bugSomething isn't workinginsidersFeatures for the Insiders mode of the GitHub MCP Server

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