invite_project_users · Infisical MCP: Risk & Policy

WHAT IT DOES

What invite_project_users does on Infisical MCP

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

WHY IT NEEDS A POLICY

Why invite_project_users needs a policy

This tool creates new project user invitations and assigns roles, modifying access control state. These actions are reversible (users can be removed, roles changed), making it Write rather than Execute.

From the tool's definition Tool description states 'Invite organization users to a project and assign role slugs,' which creates or modifies project membership and role assignments—reversible administrative changes.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

invite_project_users Rate-limited

invite_project_users 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": {
    "invite_project_users": {
      "limits": [
        {
          "counter": "invite_project_users_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 Infisical MCP, so you can run agents against it safely.

FAQ

Questions about invite_project_users

What does the invite_project_users tool do? +

Invite organization users to a project and assign role slugs. It is categorised as a Write tool in the Infisical 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 invite_project_users? +

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

What risk level is invite_project_users? +

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

Can I rate-limit invite_project_users? +

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

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

invite_project_users is provided by the Infisical MCP server (plgonzalezrx8/infisicalmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.