# MCP AI Bridge - GitHub Copilot validation error on homeyscript\_run

**URL:** <https://community.homey.app/t/mcp-ai-bridge-github-copilot-validation-error-on-homeyscript-run/157465>\
**Category:** Apps\
**Tags:** app, mcp\
**Created:** [July 22, 2026, 1:52pm UTC](https://community.homey.app/t/mcp-ai-bridge-github-copilot-validation-error-on-homeyscript-run/157465 "2026-07-22T13:52:34Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![weide43](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/weide43/32/79186_2.png) [@weide43](https://community.homey.app/u/weide43)\
**Post date:** [July 22, 2026, 3:47pm UTC](https://community.homey.app/t/mcp-ai-bridge-github-copilot-validation-error-on-homeyscript-run/157465/3 "2026-07-22T15:47:36Z")

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> [@\[APP\]\[Pro\] MCP AI Bridge - Control Homey with any AI assistant (Claude, ChatGPT, Gemini, Copilot or Cursor) via the Model Context Protocol](https://community.homey.app/t/app-pro-mcp-ai-bridge-control-homey-with-any-ai-assistant-claude-chatgpt-gemini-copilot-or-cursor-via-the-model-context-protocol/155930/39):
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> @Robin_Gosselaar Hi Robin, thanks for the excellent bug report, your diagnosis was spot on. It’s a real bug in 2.7.0, fixed in 2.7.1 (updating now). The new homeyscript\_run tool had an array parameter (args) without an items schema. Strict MCP clients like VS Code / GitHub Copilot reject any array-typed parameter that has no items, and that rejection aborts discovery of the entire toolset, which is why Copilot failed before answering even “hello”. Claude Desktop is more lenient about the schem…

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