strato.tokens.transfer-from · Griphook MCP: Risk & Policy

WHAT IT DOES

What strato.tokens.transfer-from does on Griphook

AI agents use strato.tokens.transfer-from to commit financial operations through Griphook — usually the final step of a payment, billing, or trading workflow. A call moves real money.

WHY IT NEEDS A POLICY

Why strato.tokens.transfer-from needs a policy

This tool moves tokens (a financial asset on a DeFi/blockchain platform) from one address to another on behalf of a third party. This is a delegated token transfer operation, which directly moves financial assets and cannot be undone on a blockchain.

From the tool's definition Transfer tokens on behalf of another address

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

strato.tokens.transfer-from Approval-gated

Any call to strato.tokens.transfer-from is blocked until a human approves it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "strato.tokens.transfer-from": {
      "deny_if": [
        {
          "conditions": [],
          "on_deny": "Requires human approval."
        }
      ]
    }
  }
}

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FAQ

Questions about strato.tokens.transfer-from

What does the strato.tokens.transfer-from tool do? +

Transfer tokens on behalf of another address. It is categorised as a Financial tool in the Griphook MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on strato.tokens.transfer-from? +

Register the Griphook MCP server in PolicyLayer and add a rule for strato.tokens.transfer-from: 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 Griphook. Nothing to install.

What risk level is strato.tokens.transfer-from? +

strato.tokens.transfer-from is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit strato.tokens.transfer-from? +

Yes. Add a rate_limit block to the strato.tokens.transfer-from 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 strato.tokens.transfer-from completely? +

Set action: deny in the PolicyLayer policy for strato.tokens.transfer-from. 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 strato.tokens.transfer-from? +

strato.tokens.transfer-from is provided by the Griphook MCP server (strato-net/strato-griphook). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.