create_approval_request · Sanka MCP Server MCP

WHAT IT DOES

What create_approval_request does on Sanka MCP Server

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

WHY IT NEEDS A POLICY

Why create_approval_request needs a policy

This tool creates a new approval request record in the system, which is a reversible Write operation. It modifies system state by adding an approval workflow item but does not irreversibly delete data, execute arbitrary code, move money, or directly modify existing records.

From the tool's definition Tool name is 'create_approval_request' and description states 'Create an ad hoc approval request' — the verb 'create' and explicit mention of creating a request indicate this writes/creates data.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_approval_request Rate-limited

create_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": {
    "create_approval_request": {
      "limits": [
        {
          "counter": "create_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 Sanka MCP Server, so you can run agents against it safely.

FAQ

Questions about create_approval_request

What does the create_approval_request tool do? +

Create an ad hoc approval request for a Sanka record. Use this when a specific estimate, invoice, expense, or other supported record needs approval even if no approval rule exists. It is categorised as a Write tool in the Sanka 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 create_approval_request? +

Register the Sanka MCP Server MCP server in PolicyLayer and add a rule for create_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 Sanka MCP Server. Nothing to install.

What risk level is create_approval_request? +

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

Can I rate-limit create_approval_request? +

Yes. Add a rate_limit block to the create_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 create_approval_request completely? +

Set action: deny in the PolicyLayer policy for create_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 create_approval_request? +

create_approval_request is provided by the Sanka MCP Server MCP server (sankahq/sanka-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.