dbg_set_variable

Change a variable

SERVERGodot Breakpoint SOURCEjlivingston-Cipher/godot-breakpoint-mcp

High RISK CLASS

Category Execute

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/godot-breakpoint-mcp/dbg-set-variable.md

WHAT IT DOES

What dbg_set_variable does on Godot Breakpoint

AI agents invoke dbg_set_variable to trigger actions in Godot Breakpoint. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call: builds kicked off, notifications sent, workflows started.

RISK

Why dbg_set_variable is rated High

Setting/changing a variable in a debugger context modifies the live runtime state of an executing program. This is an Execute-level action because it directly influences a running process's memory/state, with potentially unpredictable side effects depending on what variable is changed. It goes beyond a simple Write as it operates on live execution context rather than stored data.

From the tool's definition 'Change a variable' during a debug session modifies runtime state of a running Godot process

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs dbg_set_variable safely

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

dbg_set_variable Rate-limited

dbg_set_variable stays usable, but rate-capped: a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "dbg_set_variable": {
      "limits": [
        {
          "counter": "dbg_set_variable_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about dbg_set_variable

What does the dbg_set_variable tool do? +

Change a variable. It is categorised as a Execute tool in the Godot Breakpoint MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on dbg_set_variable? +

Register the Godot Breakpoint MCP server in PolicyLayer and add a rule for dbg_set_variable: 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 Breakpoint. Nothing to install.

What risk level is dbg_set_variable? +

dbg_set_variable is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit dbg_set_variable? +

Yes. Add a rate_limit block to the dbg_set_variable 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 dbg_set_variable completely? +

Set action: deny in the PolicyLayer policy for dbg_set_variable. 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 dbg_set_variable? +

dbg_set_variable is provided by the Godot Breakpoint MCP server (jlivingston-Cipher/godot-breakpoint-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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