update_project_item · Mcp Gmail MCP: Risk & Policy

WHAT IT DOES

What update_project_item does on Mcp Gmail

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

WHY IT NEEDS A POLICY

Why update_project_item needs a policy

This tool modifies existing project data (moving items between workflow columns) but the change is reversible and has limited blast radius. It does not execute code, delete data, or perform financial operations. It fits the Write category as it updates project state in a structured way.

From the tool's definition Tool description states it will 'Move an item between columns in a GitHub project' — this modifies the state/position of a project item, which is a reversible data change.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

update_project_item Rate-limited

update_project_item 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": {
    "update_project_item": {
      "limits": [
        {
          "counter": "update_project_item_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 Mcp Gmail, so you can run agents against it safely.

FAQ

Questions about update_project_item

What does the update_project_item tool do? +

Move an item between columns in a GitHub project. It is categorised as a Write tool in the Mcp Gmail MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on update_project_item? +

Register the Mcp Gmail MCP server in PolicyLayer and add a rule for update_project_item: 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 Mcp Gmail. Nothing to install.

What risk level is update_project_item? +

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

Can I rate-limit update_project_item? +

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

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

update_project_item is provided by the Mcp Gmail MCP server (@monsoft/mcp-gmail). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.