lido_l2_transfer_steth · Lido MCP Server MCP: Risk & Policy

WHAT IT DOES

What lido_l2_transfer_steth does on Lido MCP Server

AI agents use lido_l2_transfer_steth to create or update resources in Lido MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Lido MCP Server environment.

WHY IT NEEDS A POLICY

Why lido_l2_transfer_steth needs a policy

This tool transfers stETH tokens to another address on Optimism L2. It modifies blockchain state by moving assets between addresses. While reversible in principle (the recipient could send back), token transfers are practically irreversible and involve real financial assets.

From the tool's definition Transfer rebasing stETH to another address on Optimism

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

lido_l2_transfer_steth Rate-limited

lido_l2_transfer_steth 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": {
    "lido_l2_transfer_steth": {
      "limits": [
        {
          "counter": "lido_l2_transfer_steth_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 Lido MCP Server, so you can run agents against it safely.

FAQ

Questions about lido_l2_transfer_steth

What does the lido_l2_transfer_steth tool do? +

Transfer rebasing stETH to another address on Optimism. It is categorised as a Write tool in the Lido 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 lido_l2_transfer_steth? +

Register the Lido MCP Server MCP server in PolicyLayer and add a rule for lido_l2_transfer_steth: 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 Lido MCP Server. Nothing to install.

What risk level is lido_l2_transfer_steth? +

lido_l2_transfer_steth is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit lido_l2_transfer_steth? +

Yes. Add a rate_limit block to the lido_l2_transfer_steth 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 lido_l2_transfer_steth completely? +

Set action: deny in the PolicyLayer policy for lido_l2_transfer_steth. 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 lido_l2_transfer_steth? +

lido_l2_transfer_steth is provided by the Lido MCP Server MCP server (the-wunmi/lido-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.