send_msol · Marinade Finance MCP Server MCP: Risk & Policy

WHAT IT DOES

What send_msol does on Marinade Finance MCP Server

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

WHY IT NEEDS A POLICY

Why send_msol needs a policy

This tool transfers cryptocurrency tokens between wallets, which is a Write operation (reversible state change). Severity is medium rather than high because the tool appears to require explicit specification of recipient and amount, limiting unintended side effects compared to destructive operations.

From the tool's definition Tool name is 'send_msol' and description states 'Send mSOL tokens to another Solana wallet address', indicating creation/modification of token balances via transfer.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

send_msol Rate-limited

send_msol 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_msol": {
      "limits": [
        {
          "counter": "send_msol_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 Marinade Finance MCP Server, so you can run agents against it safely.

FAQ

Questions about send_msol

What does the send_msol tool do? +

Send mSOL tokens to another Solana wallet address. This tool automatically checks if the recipient. It is categorised as a Write tool in the Marinade Finance 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 send_msol? +

Register the Marinade Finance MCP Server MCP server in PolicyLayer and add a rule for send_msol: 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 Marinade Finance MCP Server. Nothing to install.

What risk level is send_msol? +

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

Can I rate-limit send_msol? +

Yes. Add a rate_limit block to the send_msol 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_msol completely? +

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

send_msol is provided by the Marinade Finance MCP Server MCP server (leandrogavidia/marinade-finance-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.