approval_request · AIOS Co-Founder MCP: Risk & Policy

WHAT IT DOES

What approval_request does on AIOS Co-Founder MCP

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

WHY IT NEEDS A POLICY

Why approval_request needs a policy

This tool creates (Write category) a new approval record, which is a reversible operation. While it's part of a gating mechanism for sensitive operations, the tool itself only creates a pending record—it does not execute or authorize the underlying sensitive action.

From the tool's definition Tool name 'approval_request' and description 'Create a pending approval record' indicate creation of a new data record in an approval workflow system.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

approval_request Rate-limited

approval_request 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": {
    "approval_request": {
      "limits": [
        {
          "counter": "approval_request_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 AIOS Co-Founder MCP, so you can run agents against it safely.

FAQ

Questions about approval_request

What does the approval_request tool do? +

Create a pending approval record. It is categorised as a Write tool in the AIOS Co-Founder 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 approval_request? +

Register the AIOS Co-Founder MCP server in PolicyLayer and add a rule for approval_request: 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 AIOS Co-Founder MCP. Nothing to install.

What risk level is approval_request? +

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

Can I rate-limit approval_request? +

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

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

approval_request is provided by the AIOS Co-Founder MCP server (varun-b-nagaraj/python-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.