Best Alternatives to Neblla

Unity MCP

Runtime: npx

Connects AI agents to Unity Editor and compiled games for automation, code generation, testing, and runtime debugging.

SpriteCook

Runtime: npx

Generate game sprites and assets from text prompts for game development.

Build, publish and update browser games with saves, leaderboards and realtime multiplayer built in.

Gamedev.pl

Runtime: Remote (SSE)

Build browser games on gamedev.pl from your coding agent. Creating is closed beta (waitlist).

GameFork MCP

Runtime: Remote (SSE)

Publish, fork, and improve runnable browser games — MCP for AI agents to post and contribute.

Godot MCP

Runtime: npx

Controls Godot projects through MCP, including editor launch, project execution, debugging, scene operations, and UID management.

Gearboy MCP Server

Runtime not confirmed

MCP server for Gearboy Nintendo Game Boy / Game Boy Color emulator

SpriteCook

Runtime: npx

Generate game assets with AI for 2D games, including sprites, tilesets, and animations.

Geargrafx MCP Server

Runtime not confirmed

MCP server for Geargrafx PC Engine / TurboGrafx-16 emulator

Gearcoleco MCP Server

Runtime not confirmed

MCP server for Gearcoleco ColecoVision emulator

Publish browser games to Playfrog and get a shareable play link. Free, no account needed.

Suigar TypeScript SDKs

Runtime: npx

MCP server and MCP App for building and inspecting Suigar transactions on Sui.