3dsmax-mcp
An MCP server that allows AI agents to inspect and manipulate Autodesk 3ds Max scenes via a FastMCP (Python/stdio) server bridged to 3ds Max through a native C++ Global Utility Plugin (named pipes) or, as a fallback, a MAXScript TCP listener on port 8765.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
Primary documented mitigation is MAXScript safe mode ON by default, blocking shell execution, external app launches, file deletion, Python.Execute, and file writing. Authentication/authorization is not documented for the MCP server, so local access control depends on network exposure (named pipe/TCP fallback) and the agent client’s connection context. Running arbitrary agent-driven scene changes and (optionally) disabling safe mode increases risk. No details provided about secrets handling, transport security for the TCP fallback, or dependency vulnerability management.
⚡ Reliability
Best When
You have local access to Autodesk 3ds Max (recommended: 2026), can install the provided bridge, and want an agent to automate repetitive scene/modeling tasks with an MCP-compatible client.
Avoid When
You cannot control agent permissions/actions (safe mode) or you must operate with strict network/security constraints (named pipes/TCP, running scripts inside 3ds Max).
Use Cases
- • Scene graph inspection (objects, materials, modifiers, hierarchies)
- • Programmatic scene edits (transform, clone, parent, hide/freeze in bulk)
- • Automating material/PBR setup from texture folders
- • Generating OSL shaders and writing MAXScript loops driven by an agent
- • Batch inspecting .max assets without opening them (native plugin)
- • Viewport capture automation for visual feedback
- • Agent-driven control of controllers, wire parameters, and data channels
Not For
- • Remote SaaS use where you need internet-accessible APIs
- • Production environments needing audited security guarantees for arbitrary agent-driven actions
- • Cases where you cannot install/maintain the 3ds Max native plugin or run MAXScript inside 3ds Max
Interface
Authentication
No auth mechanism is documented for the MCP server itself. For operations executed inside 3ds Max, the primary safety control described is MAXScript safe mode (blocking certain dangerous capabilities by default).
Pricing
Open-source tooling per MIT license; no service pricing indicated in provided content.
Agent Metadata
Known Gotchas
- ⚠ Agent-driven MAXScript/Python execution risks: safe mode is ON by default but disabling it expands capabilities.
- ⚠ If the native bridge plugin is not installed, a TCP/MAXScript listener fallback is used; behavior and safety may differ.
- ⚠ Agent skill activation may require manual steps depending on the client (Claude requires manual activation via prompt).
- ⚠ Paths and environment setup (plugins folder, Max install dir) are Windows/3ds-Max-specific and must be correct for tools to work.
Alternatives
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Scores are editorial opinions as of 2026-03-30.