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MCP server · AI

Unity AI Probuilder

by · github.com/IvanMurzak/Unity-AI-ProBuilder

MCP Tools for Unity ProBuilder — model and edit meshes with AI.

Unclaimed Apache-2.0 model-context-protocolmcp3daiunitygamedev
InstallView source
67Good

Scored 2 hours ago · breakdown

About Unity AI Probuilder

Unity AI Probuilder is an MCP server published by IvanMurzak in the AI category: mCP Tools for Unity ProBuilder — model and edit meshes with AI.

The repository has 55 stars and 9 forks, with the last commit yesterday. Recent commit activity is the strongest signal that reported issues will get attention.

Install

From source
git clone https://github.com/IvanMurzak/Unity-AI-ProBuilder

This server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.

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Security checks

Static checks derived from the repository 2 hours ago. Heuristics on the source, not an audit.

  • ✓README presentThe repository ships documentation.
  • ✓License declaredUsable under a stated license.
  • ✓Tests presentA test suite exists in the repository.
  • !Dependencies pinnedNo lockfile. Installs can pull different code over time.
  • !Scoped permissionsDoesn't declare a permission scope. Assume it can do anything its process can.

1 check has not been run yet.

Releases

2.0.02.0.0 · 16 Oct 2026Package 2.0.0 Released:** *October 16, 2026* Comparison See every change: [Compare 1.2.34...2.0.0](https://github.com/IvanMurzak/Unity-AI-ProBuilder/compare/1.2.34...2.0.0) Commit Summary (Newest → Oldest)…
1.2.341.2.34 · 12 Oct 2026Package 1.2.34 Released:** *October 12, 2026* Comparison See every change: [Compare 1.2.33...1.2.34](https://github.com/IvanMurzak/Unity-AI-ProBuilder/compare/1.2.33...1.2.34) Commit Summary (Newest → Oldest)…
1.2.331.2.33 · 27 Sep 2026Package 1.2.33 Released:** *September 27, 2026* Comparison See every change: [Compare 1.2.32...1.2.33](https://github.com/IvanMurzak/Unity-AI-ProBuilder/compare/1.2.32...1.2.33) Commit Summary (Newest → Oldest)…
1.2.321.2.32 · 26 Sep 2026Package 1.2.32 Released:** *September 26, 2026* Comparison See every change: [Compare 1.2.31...1.2.32](https://github.com/IvanMurzak/Unity-AI-ProBuilder/compare/1.2.31...1.2.32) Commit Summary (Newest → Oldest)…
1.2.311.2.31 · 24 Aug 2026Package 1.2.31 Released:** *August 24, 2026* Comparison See every change: [Compare 1.2.30...1.2.31](https://github.com/IvanMurzak/Unity-AI-ProBuilder/compare/1.2.30...1.2.31) Commit Summary (Newest → Oldest)…

README

MCP OpenUPM Unity Editor r Discord Stars License Stand With Ukraine

AI-powered 3D modeling tools for Unity ProBuilder. Enables AI assistants to create and manipulate editable meshes through natural language commands. Create primitive shapes, extrude faces, bevel edges, apply materials, merge objects, and perform advanced mesh operations like bridging and subdivision. Supports semantic face selection by direction (up, down, left, right) for intuitive editing. Perfect for rapid level prototyping and procedural geometry generation. Built on top of the AI Game Developer platform.

How to use

DOWNLOAD INSTALLER

Stability status

Unity Version Editmode Playmode Standalone
2022.3.62f3 r r r
2023.2.22f1 r r r
6000.3.1f1 r r r

RQL (no extension tools)

Since Unity-MCP 1.0.0 this package adds no MCP tools: it contributes an RQL module, so agents use rql-query / rql-mutate (the unity-rql skill carries the full "ProBuilder" guide with examples). M below stands for probuilder | get meshes | where gameObject.name == "Crate".

Former tool RQL
probuilder-create-shape probuilder | call CreateShape("Cube", "Crate", "(2, 1, 2)", "(0, 0.5, 0)") (type, name, size, position, rotation, parent)
probuilder-create-poly-shape probuilder | call CreatePolyShape(["(0, 0)", "(4, 0)", "(4, 3)"], 0.5, "Floor") (points, height, name, position, flipNormals, parent)
probuilder-get-mesh-info M | select faceCount vertexCount edgeCount bounds directions materials, M | get faces | select index direction center edges, probuilder.vertices($, start, count)
probuilder-extrude M | call Extrude(probuilder.facing($, "Up"), 0.5) (faces, distance, method)
probuilder-delete-faces M | call DeleteFaces([0, 2])
probuilder-set-face-material M | call SetFaceMaterial(probuilder.facing($, "Up"), "Assets/Materials/Grass.mat")
probuilder-flip-normals M | call FlipNormals([0]) (all faces when omitted)
probuilder-bevel M | call Bevel(probuilder.edges($, [4]), 0.1)
probuilder-bridge M | call Bridge(probuilder.openEdges($)[0], probuilder.openEdges($)[2])
probuilder-connect-edges M | call ConnectEdges(probuilder.edges($, [4]))
probuilder-subdivide-edges M | call SubdivideEdges([[0, 1]], 2)
probuilder-set-pivot M | call SetPivot("Center") / SetPivot("FirstVertex") / SetPivotAt("(0, 0, 0)")
probuilder-merge-objects probuilder | call Merge([ref("ProBuilderMesh#…"), ref("GameObject#…")], true)

Faces are index lists ([0, 1]), edges vertex index pairs ([[0, 1]]); probuilder.facing($, "Up") replaces the former faceDirection parameter. Every call validates its input first and is undoable.

Installation

Option 1 - Installer

  • ⬇️ Download Installer
  • 📂 Import installer into Unity project
    • You can double-click on the file - Unity will open it automatically
    • OR: Open Unity Editor first, then click on Assets/Import Package/Custom Package, and choose the file

Option 2 - OpenUPM-CLI

openupm add com.ivanmurzak.unity.mcp.probuilder

README fetched from the repository 2 hours ago. The original is authoritative.

Questions

About Unity AI Probuilder

How do I install Unity AI Probuilder?

No package has been published for this server, so install it from source: clone the repository and follow its README.

Is Unity AI Probuilder safe to use with an AI agent?

Its trust score is 67 out of 100 (good). It passes 3 of the 5 static security checks run so far; the failures are listed above. It has no ConduID identity yet, so agent calls to it are not receipted.

Is Unity AI Probuilder still maintained?

Yes — the latest release is 2.0.0 (16 Oct 2026), and the last commit was yesterday. The repository has 55 stars.