project_create · MongoDB Atlas MCP Server MCP: Risk & Policy

WHAT IT DOES

What project_create does on MongoDB Atlas MCP Server

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

WHY IT NEEDS A POLICY

Why project_create needs a policy

This tool creates a new project in MongoDB Atlas, which is a reversible action (projects can be deleted). However, creating a project can establish new infrastructure, enable billing, and create organizational entities that have downstream effects on security, access control, and potential costs.

From the tool's definition Tool is named 'project_create' and described as 'Create a new project', which performs a resource creation operation in MongoDB Atlas without deleting or permanently destroying anything.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

project_create Rate-limited

project_create 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": {
    "project_create": {
      "limits": [
        {
          "counter": "project_create_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 MongoDB Atlas MCP Server, so you can run agents against it safely.

FAQ

Questions about project_create

What does the project_create tool do? +

Create a new project. It is categorised as a Write tool in the MongoDB Atlas 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 project_create? +

Register the MongoDB Atlas MCP Server MCP server in PolicyLayer and add a rule for project_create: 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 MongoDB Atlas MCP Server. Nothing to install.

What risk level is project_create? +

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

Can I rate-limit project_create? +

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

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

project_create is provided by the MongoDB Atlas MCP Server MCP server (montumodi/mongodb-atlas-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.