rybbit_create_goal · Rybbit MCP: Risk & Policy

WHAT IT DOES

What rybbit_create_goal does on Rybbit

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

WHY IT NEEDS A POLICY

Why rybbit_create_goal needs a policy

This tool creates new conversion goals which are configuration objects stored in the Rybbit Analytics system. This is a reversible write operation—goals can be deleted (as evidenced by the sibling tool rybbit_delete_goal).

From the tool's definition Tool name contains 'create' and description states 'Create a new conversion goal for a site', indicating it creates and persists new data structures in the analytics system.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

rybbit_create_goal Rate-limited

rybbit_create_goal 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": {
    "rybbit_create_goal": {
      "limits": [
        {
          "counter": "rybbit_create_goal_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Rybbit, so you can run agents against it safely.

FAQ

Questions about rybbit_create_goal

What does the rybbit_create_goal tool do? +

Create a new conversion goal for a site. Goal can be path-based (URL match) or event-based (custom event triggered). It is categorised as a Write tool in the Rybbit MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on rybbit_create_goal? +

Register the Rybbit MCP server in PolicyLayer and add a rule for rybbit_create_goal: 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 Rybbit. Nothing to install.

What risk level is rybbit_create_goal? +

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

Can I rate-limit rybbit_create_goal? +

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

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

rybbit_create_goal is provided by the Rybbit MCP server (nks-hub/rybbit-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.