entity.set_component

Since next

[editor or disk] Put this component on this entity, replacing any of its type, one undo step.

Fields are FLAT ({"type":"mesh","asset":"cube"}), not under play.query's "props"; only script has props.


Title	Set a component
Mode
Token cost	about 160 tokens (in the default list, paid on every call)
Toolset	core

Arguments

Argument	Type	Required	Description
`agent`	`string`	no	The name of the agent making the call, when several agents share one connection: each named agent is its own actor and plays its own game. Leave it out when there is one agent.
`component`	`object`	yes	{"type": mesh, collider, rigidbody, controller, camera, light, spawn, script, …, its fields}
`entity`	`string`	yes
`save`	`boolean`	no	`true` saves the scene afterwards.
`scene`	`string`	no	The scene file to act on. The open scene when absent.

An MCP tools/call with the required arguments (placeholders in angle brackets).

{
  "name": "entity.set_component",
  "arguments": {
    "component": {},
    "entity": "<entity>"
  }
}