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Unity 6.3 LTS keeps crashing when MCP tools are being called

Status: Open.

#488 In CoplayDev/unity-mcp;

· ValiDraganescu opened on Dec 27, 2025

Webpage Access Denied （error -2147024891）

Status: Open.

#486 In CoplayDev/unity-mcp;

· bdjk874653-dot opened on Dec 26, 2025

Connection state: Error The "path" argument must be of type string. Received type undefined

Status: Open.

#485 In CoplayDev/unity-mcp;

· HerrSchnapps opened on Dec 25, 2025

python path and uvx path can not find

Status: Open.

#483 In CoplayDev/unity-mcp;

· HerrSchnapps opened on Dec 24, 2025

[Bug] Custom tools fail to inject unity_instance automatically (HTTP connection)

Status: Open.

#482 In CoplayDev/unity-mcp;

· alan49973028 opened on Dec 24, 2025

UV cannot be detected

need more infoNeeds more information before an action step can be takenNeeds more information before an action step can be taken

Status: Open.

#476 In CoplayDev/unity-mcp;

· ChiehHsi333 opened on Dec 22, 2025

Tools are often run without first ensuring the editor has updated the asset db and/or compiled

Status: Open.

#474 In CoplayDev/unity-mcp;

· strich opened on Dec 20, 2025

MCP server running but tools not injected into conversations (Claude Desktop v1.0.2339)

Status: Open.

#471 In CoplayDev/unity-mcp;

· qianluo1211 opened on Dec 19, 2025

Long delay on entering Play Mode

enhancementNew feature or requestNew feature or request

Status: Open.

Task

#464 In CoplayDev/unity-mcp;

· Skeletoneyes opened on Dec 16, 2025

Package should declare dependency on Screen Capture built-in module

bugSomething isn't workingSomething isn't working

Status: Open.

#460 In CoplayDev/unity-mcp;

· heshuimu opened on Dec 14, 2025

Unity Editor instances not found with 8.2.3 (persists even after downgrade to 8.1.6)

Status: Open.

#456 In CoplayDev/unity-mcp;

· Minssuy99 opened on Dec 12, 2025

get_components consistently crashing unity 6.3 LTS

bugSomething isn't workingSomething isn't working

good first issueGood for newcomersGood for newcomers

Status: Open.

Bug

#455 In CoplayDev/unity-mcp;

· flopdriver opened on Dec 11, 2025