send_rfq · Derive MCP: Risk & Policy

WHAT IT DOES

What send_rfq does on Derive MCP

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

WHY IT NEEDS A POLICY

Why send_rfq needs a policy

An AI agent can call send_rfq faster than any human can review — one bad instruction and it creates or modifies resources in Derive MCP by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

send_rfq Rate-limited

send_rfq 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": {
    "send_rfq": {
      "limits": [
        {
          "counter": "send_rfq_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 Derive MCP, so you can run agents against it safely.

FAQ

Questions about send_rfq

What does the send_rfq tool do? +

Send a Request For Quote to get custom pricing from market makers. Requires authentication. It is categorised as a Write tool in the Derive 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 send_rfq? +

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

What risk level is send_rfq? +

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

Can I rate-limit send_rfq? +

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

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

send_rfq is provided by the Derive MCP server (solenyaresearch0000/derive-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.