gd_diagnostics
Return compile/lint diagnostics (errors, warnings) for a script. Opens the file and waits briefly for the server to publish.
This record as markdown: /tools/godot-breakpoint-mcp/gd-diagnostics.md
What gd_diagnostics does on Godot Breakpoint
AI agents call gd_diagnostics to retrieve information from Godot Breakpoint without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why gd_diagnostics is rated Low
This tool only reads and returns diagnostic information (errors, warnings) about a script file. It has no side effects beyond opening the file for analysis, making it a pure Read operation with minimal risk.
From the tool's definition Return compile/lint diagnostics (errors, warnings) for a script. Opens the file and waits briefly for the server to publish.
Attacks that exploit this kind of access
The rule that runs gd_diagnostics 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 gd_diagnostics, this is the rule to start with:
gd_diagnostics is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Godot Breakpoint, apply this rule, and every gd_diagnostics call is checked against it from then on.
Questions about gd_diagnostics
Return compile/lint diagnostics (errors, warnings) for a script. Opens the file and waits briefly for the server to publish. It is categorised as a Read tool in the Godot Breakpoint MCP Server, which means it retrieves data without modifying state.
Register the Godot Breakpoint MCP server in PolicyLayer and add a rule for gd_diagnostics: 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.
gd_diagnostics is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the gd_diagnostics 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.
Set action: deny in the PolicyLayer policy for gd_diagnostics. 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.
gd_diagnostics 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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