toggl_start · Toggl MCP Server MCP: Risk & Policy

WHAT IT DOES

What toggl_start does on Toggl MCP Server

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

WHY IT NEEDS A POLICY

Why toggl_start needs a policy

This tool creates a new time entry in Toggl, which is a reversible write operation. It does not delete data, execute code, or involve financial transactions. The blast radius is low as misuse would only result in unwanted time entries that can be deleted.

From the tool's definition Start a new time tracking entry

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

toggl_start Rate-limited

toggl_start 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": {
    "toggl_start": {
      "limits": [
        {
          "counter": "toggl_start_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 Toggl MCP Server, so you can run agents against it safely.

FAQ

Questions about toggl_start

What does the toggl_start tool do? +

Start a new time tracking entry. It is categorised as a Write tool in the Toggl MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on toggl_start? +

Register the Toggl MCP Server MCP server in PolicyLayer and add a rule for toggl_start: 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 Toggl MCP Server. Nothing to install.

What risk level is toggl_start? +

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

Can I rate-limit toggl_start? +

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

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

toggl_start is provided by the Toggl MCP Server MCP server (louis030195/toggl-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.