Release / 11 Dec 2025 / with v8.0.0, v8.0.1, v8.1.0, v8.1.1, v8.1.2, v8.1.3, v8.1.4, v8.1.5, v8.1.6, v8.2.0, v8.2.1, v8.2.2

MCP for Unity v8.2.3

Connect Unity to an MCP server over HTTP.

All of MCP for Unity

Before you upgrade to v8.2.3

2 to fix

Reconfigure old copied-server paths for `uvx` or HTTP. Codex CLI, Windows Claude configuration, stdio reloads and transport-session routing receive fixes.

Action requiredConnect MCP clients to a running Unity Editor.Affects: Clients configured with the old copied server path.

Read the evidence

Migrate custom tools to the C#-only tool mechanism; the previous Python tool-sync workflow is removed.

Action requiredAdd custom Unity automation tools from the project's Assets folder.Affects: Custom tools relying on Python files synced from Unity.

Read the evidence

What changed in v8.2.3

HTTP becomes the default transport and uvx replaces the copied embedded server. Batch operations, dedicated material editing and camera capture extend automation.

v8.2.3; install the tagged MCPForUnity package and matching server. Requires Unity 2021.3 LTS+, uv and an MCP client.

New things you can do

HTTP becomes the default transport at `http://localhost:8080/mcp`; stdio remains available.

AddedConnect an MCP client and Unity Editor through an HTTP server.

Read the evidence

CoplayDev/unity-mcp/releases/tag/v8.0.0

Run multiple Unity tool operations in a batch.

Added

Read the evidence

CoplayDev/unity-mcp/releases/tag/v8.2.0

Capture images from Unity cameras.

Added

Read the evidence

CoplayDev/unity-mcp/releases/tag/v8.2.2

Configure VS Code Insiders Copilot to control Unity.

Added

Read the evidence

CoplayDev/unity-mcp/releases/tag/v8.1.6

Fixed and improved

Use `manage_material` for dedicated material manipulation.

ImprovedImport, create and modify Unity assets, materials and shaders.

Read the evidence

CoplayDev/unity-mcp/releases/tag/v8.2.0

Prefab management works again after the transport changes.

Now worksCreate and modify Unity prefab assets.

Read the evidence

CoplayDev/unity-mcp/releases/tag/v8.1.1

Script paths with an Assets prefix are handled correctly.

Now worksCreate and edit C# scripts with structured edits and validation.

Read the evidence

CoplayDev/unity-mcp/releases/tag/v8.2.3

Seeded by @iluxav with Codex, from the release's public sources. Each change links to its evidence.