gd_implementation
Resolve the implementation location(s) of the symbol at a position (e.g. the concrete override of a method). Godot's GDScript language server advertises implementationProvider; feature-detected.
This record as markdown: /tools/breakpoint-mcp/gd-implementation.md
What gd_implementation does on Breakpoint
AI agents use gd_implementation to create or update resources in Breakpoint, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Breakpoint environment.
| Parameter | Type | Required | Description |
|---|---|---|---|
line | integer | Yes | 0-based line |
path | string | Yes | Script path (res://..., absolute, or project-relative) |
character | integer | Yes | 0-based character |
Parameters from the server's own tool schema.
Why gd_implementation is rated Medium
An AI agent can call gd_implementation faster than any human can review: one bad instruction and it creates or modifies resources in Breakpoint by the hundred, each call as confident as the last.
Risk signalsAccepts file system path (path)
Attacks that exploit this kind of access
The rule that runs gd_implementation safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Breakpoint, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For gd_implementation, this is the rule to start with:
gd_implementation 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.
The button opens the PolicyLayer dashboard: create your workspace, connect Breakpoint, apply this rule, and every gd_implementation call is checked against it from then on.
Questions about gd_implementation
Resolve the implementation location(s) of the symbol at a position (e.g. the concrete override of a method). Godot's GDScript language server advertises implementationProvider; feature-detected. It is categorised as a Write tool in the Breakpoint MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
gd_implementation accepts 3 parameters: line, path, character. Required: line, path, character. The full parameter table on this page comes from the server's own tool schema.
Register the Breakpoint MCP server in PolicyLayer and add a rule for gd_implementation: 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 Breakpoint. Nothing to install.
gd_implementation is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the gd_implementation 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_implementation. 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_implementation is provided by the Breakpoint MCP server (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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