@tools/nme-mcp-server

MCP server for AI-driven Babylon.js Node Material authoring.

Provides

• create, inspect, and delete in-memory Node Material graphs
• add blocks, connect ports, and update block properties
• import and export NME JSON
• import from and save to Babylon.js snippets
• optional live session bridge support for the Node Material Editor

Typical Workflow

create_material -> add_block -> connect_blocks -> set_block_properties -> validate_material -> export_material_json

For scene integration, export the material JSON and hand it to Scene MCP through add_material.

Binary

babylonjs-node-material

Build And Run

npm run build -w @tools/nme-mcp-server
npm run start -w @tools/nme-mcp-server

Integration

The exported NME JSON can be handed to the Scene MCP server through add_material, either inline or via nmeJsonFile.

Related Files

• src/index.ts: MCP tool registration
• src/materialGraph.ts: in-memory graph manager
• src/sessionServer.ts: optional live session bridge