toggl_create_project · Tempus MCP: Risk & Policy

WHAT IT DOES

What toggl_create_project does on Tempus MCP

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

WHY IT NEEDS A POLICY

Why toggl_create_project needs a policy

This tool creates a new project, which is a reversible write operation. It does not execute arbitrary code, delete data irreversibly, or handle financial transactions. The blast radius is low since project creation in a time tracking system is a standard, recoverable operation that can be modified or deleted later.

From the tool's definition Tool name 'toggl_create_project' and description 'Create a new project in a workspace' explicitly indicate creation of new data.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

toggl_create_project Rate-limited

toggl_create_project 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_create_project": {
      "limits": [
        {
          "counter": "toggl_create_project_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 Tempus MCP, so you can run agents against it safely.

FAQ

Questions about toggl_create_project

What does the toggl_create_project tool do? +

Create a new project in a workspace. It is categorised as a Write tool in the Tempus MCP 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_create_project? +

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

What risk level is toggl_create_project? +

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

Can I rate-limit toggl_create_project? +

Yes. Add a rate_limit block to the toggl_create_project 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_create_project completely? +

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

toggl_create_project is provided by the Tempus MCP server (kos-m/tempus-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.