AgentIndex icon
AgentIndex
threejs-devtools-mcp logo
threejs-devtools-mcp
★ 124
vs
mcp-debug logo
mcp-debug
★ 37

threejs-devtools-mcp vs mcp-debug

threejs-devtools-mcp: threejs-devtools-mcp is an MCP server offering a comprehensive suite of 69 tools for real-time inspection and live modification of Three.js scenes. It supports both vanilla Three.js and React Three Fiber projects, allowing developers to debug, audit, and generate code without altering their project files.; mcp-debug: `mcp-debug` is a command-line tool designed for debugging Model Context Protocol (MCP) servers. It allows developers to inspect server capabilities, debug tool integrations, and test server notifications, offering features like OAuth 2.1 authentication and an interactive REPL.

01

TL;DR

threejs-devtools-mcp logo
threejs-devtools-mcpDev Tooling · ★ 124

Debugging visual issues like invisible models or incorrect lighting in Three.js scenes.

Read threejs-devtools-mcp full review →
mcp-debug logo
mcp-debugDev Tooling · ★ 37

Debugging and inspecting the capabilities and behavior of MCP servers.

Read mcp-debug full review →
02

Side-by-Side Comparison

Field
threejs-devtools-mcp logothreejs-devtools-mcp
mcp-debug logomcp-debug
Category
Dev Tooling
Dev Tooling
Stars
★ 124
★ 37
License
MIT
Apache-2.0
Install Command
npx -y threejs-devtools-mcp
go install github.com/giantswarm/mcp-debug@latest
Updated
1w ago
1d ago
Open Source
Yes
Yes
Website
↗ Visit
↗ Visit
GitHub
↗ GitHub
↗ GitHub
Tags
Three.js, WebGL, Debugging
CLI, Debugging, MCP
03

Features

threejs-devtools-mcp logothreejs-devtools-mcp
01Real-time scene inspection and live changes without project modification.
02Over 60 specialized tools for objects, materials, shaders, animation, performance, and more.
03Automatic code generation for live changes, compatible with vanilla Three.js and React Three Fiber.
04Integrated website audits, video frame capture, and Playwright/Puppeteer helpers.
05In-browser overlay for performance stats, interactive scene graph, and material editing.
mcp-debug logomcp-debug
01Connect to any MCP Server using `streamable-http` transport.
02Full OAuth 2.1 Authentication compliance with automatic discovery, resource indicators, and PKCE validation.
03Interactive REPL to explore available tools, resources, and prompts.
04Acts as an MCP server itself, enabling integration with AI assistants.
05Verbose logging of JSON-RPC messages for in-depth debugging and shell autocompletion.
04

Use Cases

threejs-devtools-mcp logothreejs-devtools-mcp
↳Debugging visual issues like invisible models or incorrect lighting in Three.js scenes.
↳Live previewing and applying stylistic changes to 3D objects and materials, then converting them into code.
↳Conducting performance and web audits for Three.js applications to identify issues like blurry canvases or heavy textures.
↳Automating visual regression tests and capturing high-quality video clips for promotional content.
↳Integrating into end-to-end testing workflows using Playwright or Puppeteer for automated scene verification.
mcp-debug logomcp-debug
↳Debugging and inspecting the capabilities and behavior of MCP servers.
↳Testing and integrating custom tools with MCP servers.
↳Running as an MCP server to enable integration with AI assistants like Cursor.
↳Interactively exploring and understanding the available tools, resources, and prompts on an MCP server.
↳Analyzing detailed JSON-RPC message flows for troubleshooting and protocol adherence.
05

Best For

threejs-devtools-mcp logothreejs-devtools-mcp
Hidden Gem
mcp-debug logomcp-debug
—
FAQ

FAQ

What is the difference between threejs-devtools-mcp and mcp-debug?
Both threejs-devtools-mcp and mcp-debug are in the Dev Tooling category. threejs-devtools-mcp has 124 stars, while mcp-debug has 37 stars.
Which is better, threejs-devtools-mcp or mcp-debug?
The best choice depends on your use case. Choose threejs-devtools-mcp if Debugging visual issues like invisible models or incorrect lighting in Three.js scenes., and mcp-debug if Debugging and inspecting the capabilities and behavior of MCP servers..
Is threejs-devtools-mcp free or open source?
Yes, threejs-devtools-mcp is open source on GitHub (MIT).
Is mcp-debug free or open source?
Yes, mcp-debug is open source on GitHub (Apache-2.0).
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Related

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