Roblox Studio MCP Server

A Rust-based MCP server from Roblox that bridges AI assistants (Claude Desktop, Cursor) with Roblox Studio, enabling AI to execute code, insert models, control play modes, and read console output in active Studio sessions.

Evaluated Mar 06, 2026 (0d ago) vlatest

Homepage ↗ Repo ↗ Developer Tools roblox studio mcp rust game-dev code-execution lua

⚙ Agent Friendliness

/ 100

Can an agent use this?

🔒 Security

/ 100

Is it safe for agents?

⚡ Reliability

/ 100

Does it work consistently?

Score Breakdown

⚙ Agent Friendliness

MCP Quality

Documentation

Error Messages

Auth Simplicity

Rate Limits

🔒 Security

TLS Enforcement

Auth Strength

Scope Granularity

Dep. Hygiene

Secret Handling

Rust-based MCP server framework. Memory-safe by design (Rust). Local execution. Well-suited for performance-critical MCP servers. No remote auth needed for local use.

⚡ Reliability

Uptime/SLA

Version Stability

Breaking Changes

Error Recovery

Best When

You are actively developing a Roblox experience in Studio and want an AI assistant to write, test, and iterate on Lua/Luau scripts with real-time feedback.

Avoid When

You are not building a Roblox game, or you need automation that runs without an open Studio session.

Use Cases

• AI-assisted Roblox game development with live code execution in Studio
• Automated testing of Roblox scripts via AI-driven play mode control
• Inserting Creator Store models programmatically through natural language
• Debugging Roblox games by having AI read console logs and suggest fixes

Not For

• Non-Roblox game development or general game engines
• Developers without Roblox Studio installed
• Server-side Roblox backend automation without Studio running

Interface

REST API

GraphQL

gRPC

MCP Server

Yes ↗

SDK

Webhooks

Authentication

Methods: none

OAuth: No Scopes: No

Communicates locally via axum web server between Studio plugin and MCP server. No external auth required. Roblox Studio login is handled by Studio itself.

Pricing

Model: open_source

Free tier: Yes

Requires CC: No

Open source from Roblox. Roblox Studio is free to use.

Agent Metadata

Pagination

none

Idempotent

Partial

Retry Guidance

Not documented

Known Gotchas

⚠ Requires Roblox Studio to be actively open with the companion plugin installed - not a standalone service
⚠ Third-party AI tools will have read/write access to your open Roblox place - privacy consideration noted in README
⚠ run_script_in_play_mode has automatic timeout handling but timeout duration not documented
⚠ Long-polling architecture means latency depends on Studio responsiveness

Alternatives

GitHub Copilot for game dev Cursor with manual Studio copy-paste Roblox AI tools (official)

Full Evaluation Report

Detailed scoring breakdown, competitive positioning, security analysis, and improvement recommendations for Roblox Studio MCP Server.

$99

API endpoint ↗ Agent guide ↗ Report inaccuracy

Scores are editorial opinions as of 2026-03-06.