set_input_action

Add or modify an input action and its event mappings

SERVERGodot SOURCE@keeveeg/godot-mcp

Medium RISK CLASS

Category Write

Parameters 32 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/keeveeg-godot-mcp/set-input-action.md

WHAT IT DOES

What set_input_action does on Godot

AI agents use set_input_action to create or update resources in Godot, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Godot environment.

Parameter	Type	Required	Description
`action`	string	Yes	Action name
`events`	array	Yes	List of input events to map to this action
`deadzone`	number	—	Input deadzone value (0-1, default: 0.5)

Parameters from the server's own tool schema.

RISK

Why set_input_action is rated Medium

This tool modifies game input configuration settings, which are data structures that can be created or updated. While this affects game behavior, the changes are reversible and do not execute code, delete data, or cause irreversible damage. It falls into the Write category as a reversible modification operation.

From the tool's definition Tool description states: 'Add or modify an input action and its event mappings'. This indicates modification of game configuration data (input action bindings) which is reversible.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs set_input_action safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Godot, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For set_input_action, this is the rule to start with:

set_input_action Rate-limited

set_input_action stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "set_input_action": {
      "limits": [
        {
          "counter": "set_input_action_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Godot, apply this rule, and every set_input_action call is checked against it from then on.

FAQ

Questions about set_input_action

What does the set_input_action tool do? +

Add or modify an input action and its event mappings. It is categorised as a Write tool in the Godot MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does set_input_action accept? +

set_input_action accepts 3 parameters: action, events, deadzone. Required: action, events. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on set_input_action? +

Register the Godot MCP server in PolicyLayer and add a rule for set_input_action: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Godot. Nothing to install.

What risk level is set_input_action? +

set_input_action is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit set_input_action? +

Yes. Add a rate_limit block to the set_input_action rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block set_input_action completely? +

Set action: deny in the PolicyLayer policy for set_input_action. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides set_input_action? +

set_input_action is provided by the Godot MCP server (@keeveeg/godot-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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