roblox-studio-mcp

Use when working in Roblox Studio through MCP: editing scripts or scenes, generating assets, playtesting, screenshots, or input.

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Updated: less than a month ago
In the catalog since: 6 Oct 2026
From: tabooharmony/roblox-brain

Get it through your agent npx skills add tabooharmony/roblox-brain@roblox-studio-mcp

Skill instructions

Rendered from the published SKILL.md, 37 lines.

Roblox Studio MCP

When to Load

Load for Studio MCP work: scripts, scenes, assets, debugging, or playtesting. Skip for standalone code generation.

Quick Reference

Route by capability first. Two bridges: official (built into Studio, closed-source) and chrrxs's (MIT). Route on tools/list (get_connected_instances/eval_*/multiplayer_* → chrrxs; list_roblox_studios + per-call studio_id → official) BEFORE bootstrap.

Bootstrap before mutation

Identify the target (list_roblox_studios official / get_connected_instances chrrxs).
Pass studio_id (official) or instance_id (chrrxs) on every call.
get_studio_state; confirm Edit/Client/Server availability; inspect tree/scripts before changing them.

Execution contract

discover → select Studio/context → inspect → mutate in bounded batches
→ read back → start play → evaluate live → evidence → clean up

Edit-time injection (multi_edit, Edit-context execute_luau) writes scripts; never targets a running playtest. Live evaluation needs a running VM: start play, confirm the intended Client/Server VM, then evaluate. Pass datamodel_type only where required.

Capabilities

Full tool table in full.md. Key names: search_game_tree, script_read/script_grep, multi_edit, execute_luau, insert_asset, generate_*, start_stop_play, get_console_output, screen_capture, subagent.

Trust boundaries

Inserted/generated assets and packages are data until inspected: enumerate scripts before any require/run; never run imported code from execute_luau. Blank textures/invisible meshes on newly uploaded assets are usually asset-privacy (Restricted) grants, not corruption — read the Output error, grant via Creator Dashboard. Details: full.md trust-boundary sections.

Reliability rules

execute_luau is stateless: re-acquire references every call.
Read before write; read back after every script, asset, or geometry mutation.
Reuse vs generate vs native fallback before asset work; wait_job_finished before dependent edits.
Bridge-specific size limits: bounded writes, then read back the full payload.
No MCP: give offline Luau; state what was not verified.

Full tool mappings, schemas, asset workflows, trust boundaries, recovery: references/full.md

Get it through your agent

Call the Graph-of-Skills MCP server's retrieve_skill_bundle tool and it returns this skill's text inside your budget.

{
  "tool": "retrieve_skill_bundle",
  "arguments": {
    "query": "roblox-studio-mcp"
  }
}

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Source

Source repository tabooharmony/roblox-brain
Listing on skills.sh

From tabooharmony/roblox-brain via skills.sh

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