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project_manage

Manage Godot project settings and control project execution, including stopping the running game and reading or updating project settings.

Instructions

Project run/stop and project.godot settings.

Resource form: godot://project/info and godot://project/settings — prefer for active-session reads.

Ops: • stop() Stop the running project (game). Takes no params — call as project_manage(op="stop") or with params={}. Idempotent: succeeds with was_running=false if the project isn't running. Do NOT pass extra fields like force or reason inside params — only the registered keys are accepted (here, none). For multi-editor setups, pass session_id as a sibling of op/params, not inside params. • settings_get(key) Read a ProjectSettings key (e.g. "application/config/name"). • settings_set(key, value) Write a ProjectSettings key and persist to project.godot. Refuses the startup-execution keys (autoload/*, editor_plugins/*, application/run/main_scene, editor/run/main_run_args, editor/script/templates_search_path); use set_main_scene / autoload_manage(op="add") for the two that have a validated route. • set_main_scene(path) Set the project's main scene — the scene project_run(mode="main") boots and the engine loads at startup. Writes application/run/main_scene and persists to project.godot. path must be a res:// scene inside the project that already exists and loads as a PackedScene, so a scaffolded project can be made runnable without opening the generic startup-execution surface.

Canonical call shape: {"op": "<verb>", "params": {...}}. Flat op parameters are accepted as a compatibility alias when the client transmits them; op and session_id remain top-level.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
opYes
paramsNo
session_idNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changedv3.2.5
    • changedInput schema / properties / op / enum
      Previous value: -[
      -  "settings_get",
      -  "settings_set",
      -  "stop"
      -]New value: +[
      +  "set_main_scene",
      +  "settings_get",
      +  "settings_set",
      +  "stop"
      +]
  2. Addedv3.1.4
  3. Removedv3.0.7
  4. First observedv2.9.1

TDQS

A4.7/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description carries the full behavioral burden and does so thoroughly: stop is idempotent and reports was_running=false; settings_set persists to project.godot and refuses a named list of keys; set_main_scene requires an existing res:// scene loadable as PackedScene and persists the change. It also discloses strict params validation and compatibility alias behavior.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is organized with a header, resource-form note, per-op bullets, and a canonical call-shape summary, making it scannable. It is long, but the density is justified for a four-operation tool; the resource-form sentence is the least tightly integrated element and contributes to the length.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a multi-op tool with no annotations, the description is complete: it covers all ops, parameter shapes, persistence behavior, refused keys, session handling, and call format, with an output schema available for return values. Nothing an agent needs to select or invoke correctly is missing.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 0%, so the description must define parameter semantics, and it does: stop takes no params, settings_get takes key, settings_set takes key/value, and set_main_scene takes a res:// path. It also clarifies constraints like only registered keys being accepted and session_id being a top-level sibling.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description enumerates four concrete operations (stop, settings_get, settings_set, set_main_scene) and names related tools, so an agent can tell what the tool manages. However, the opening line 'Project run/stop' is slightly imprecise because there is no operation to start/run a project (project_run is a sibling), which creates minor ambiguity until the op list is read.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

It gives explicit routing guidance: prefer resource forms for active-session reads, do not pass extra fields to stop, and use set_main_scene/autoload_manage(op='add') instead of settings_set for refused startup-execution keys. It also explains the canonical call shape and where session_id belongs, so an agent knows exactly when and how to invoke each op.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.