Build Custom Unity MCP Tools for Coding Agents

Learn how to supercharge AI coding assistants like Cursor by teaching them your exact Unity editor workflows. In this step-by-step tutorial we start with Unity’s official MCP bridge, and create a full discoverable [McpTool] with parameters, validation, and structured responses. We also compare the official approach with Unity MCP Pro. Perfect for technical artists, Unity developers, and anyone who wants their AI to actually understand and execute project-specific tasks instead of just writing code. Use AI Assistant v2.6.0-pre.1 if you don't want a subscription, otherwise sign up for FREE Unity AI Trial: https://unity.com/features/ai Docs: https://docs.unity3d.com/Packages/[email protected]/manual/integration/unity-mcp-get-started.html MCP for Unity Pro - https://y1uda.itch.io/unity-mcp-pro Want to support me? 😀 Buy me a coffee! https://ko-fi.com/adammyhre 🔔 Subscribe for more Unity Tutorials https://youtube.com/@git-amend Discord: https://discord.gg/FDRZGQBBUC #unity3d #gamedev #indiedev ▬ Contents of this video ▬▬▬▬▬▬▬▬▬▬ *Source code:* https://gist.github.com/adammyhre/df4a1d98b131b1ef4df30a787a532e40 More Useful Code: https://github.com/adammyhre?tab=repositories Unity Utility Library: https://github.com/adammyhre/Unity-Utils Lock Inspector Hotkey: https://gist.github.com/adammyhre/4754f731a93bf1cab0d1385ccfa23642 *Other Recommended Tools* _(Affiliate Links)_ Phantom Navigator - https://assetstore.unity.com/packages/tools/utilities/phantom-navigator-371346?aid=1101lw3sv Ultimate Preview - https://assetstore.unity.com/packages/tools/utilities/ultimate-preview-bundle-340976?aid=1101lw3sv Mouse Shortcuts - https://assetstore.unity.com/packages/tools/utilities/mouse-button-shortcuts-and-selection-history-228013?aid=1101lw3sv Init(args) - https://assetstore.unity.com/packages/tools/utilities/init-args-200530?aid=1101lw3sv Wingman - https://assetstore.unity.com/packages/tools/utilities/wingman-your-inspector-s-best-friend-303181?aid=1101lw3sv Favorites Window - https://assetstore.unity.com/packages/tools/utilities/favorites-window-123487?aid=1101lw3sv Scene Notes - https://assetstore.unity.com/publishers/87819?aid=1101lw3sv Beautify - https://assetstore.unity.com/packages/vfx/shaders/fullscreen-camera-effects/beautify-3-advanced-post-processing-233073?aid=1101lw3sv Odin - https://assetstore.unity.com/packages/tools/utilities/odin-inspector-and-serializer-89041?aid=1101lw3sv?aid=1101lw3sv Odin Validator - https://assetstore.unity.com/packages/tools/utilities/odin-validator-227861?aid=1101lw3sv Hot Reload: https://assetstore.unity.com/packages/tools/utilities/hot-reload-edit-code-without-compiling-254358?aid=1101lw3sv Better Hierarchy: https://assetstore.unity.com/packages/tools/utilities/better-hierarchy-272963?aid=1101lw3sv Better Transform: https://assetstore.unity.com/packages/tools/utilities/better-transform-size-notes-global-local-workspace-parent-child--321300?aid=1101lw3sv Better Mesh Filter: https://assetstore.unity.com/packages/tools/utilities/better-mesh-mesh-preview-full-insight-at-a-glance-321364?aid=1101lw3sv Editor Console Pro: https://assetstore.unity.com/packages/tools/utilities/editor-console-pro-11889?aid=1101lw3sv Any Object Finder: https://assetstore.unity.com/packages/tools/utilities/any-object-finder-286455?aid=1101lw3sv Kybernetic Tools: https://assetstore.unity.com/publishers/16747?aid=1101lw3sv Sisus Tools: https://assetstore.unity.com/publishers/41398?aid=1101lw3sv Prime Tween - https://assetstore.unity.com/packages/tools/animation/primetween-high-performance-animations-and-sequences-252960?aid=1101lw3s Rabbit Logger - https://assetstore.unity.com/packages/tools/utilities/rabbit-logger-305396?aid=1101lw3s *Follow me!* https://linktr.ee/gitamend