prepare_marinade_unstake_immediate

SERVERVaultPilot MCP SOURCEvaultpilot-mcp

Critical RISK CLASS

Category Financial

Parameters 22 required

Recommended Approval-gatedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-szhygulin-vaultpilot-mcp/prepare-marinade-unstake-immediate.md

WHAT IT DOES

What prepare_marinade_unstake_immediate does on VaultPilot MCP

AI agents use prepare_marinade_unstake_immediate to commit financial operations through VaultPilot MCP, usually the final step of a payment, billing, or trading workflow. A call moves real money.

Parameter	Type	Required	Description
`wallet`	string	Yes	Solana wallet that burns mSOL and receives SOL. Must have an initialized durable-nonce account and an mSOL position to unstake from. Liquid unstake routes throu
`amountMSol`	string	Yes	Human-readable mSOL amount to unstake (e.g. "1.5"). Builder converts to mSOL base units (9 dec) and rounds down.

Parameters from the server's own tool schema.

RISK

Why prepare_marinade_unstake_immediate is rated Critical

This tool constructs a transaction that burns liquid staking tokens (mSOL) and redeems them for SOL through a DeFi liquidity pool, incurring fees and moving crypto assets. This is a financial operation with real asset movement and potential for loss through fee exploitation or misdirected unstaking.

From the tool's definition burn `amountMSol` mSOL and receive SOL in the same tx via Marinade's liquidity pool ... The pool charges a small fee (typically 0.3% — varies with pool depth) in exchange for instant liquidity

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs prepare_marinade_unstake_immediate safely

PolicyLayer is an MCP gateway: it sits between your AI agents and VaultPilot MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For prepare_marinade_unstake_immediate, this is the rule to start with:

prepare_marinade_unstake_immediate Approval-gated

Any call to prepare_marinade_unstake_immediate 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": {
    "prepare_marinade_unstake_immediate": {
      "deny_if": [
        {
          "conditions": [],
          "on_deny": "Requires human approval."
        }
      ]
    }
  }
}

GATE THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect VaultPilot MCP, apply this rule, and every prepare_marinade_unstake_immediate call is checked against it from then on.

FAQ

Questions about prepare_marinade_unstake_immediate

What does the prepare_marinade_unstake_immediate tool do? +

Build an unsigned Marinade IMMEDIATE liquid-unstake tx: burn amountMSol mSOL and receive SOL in the same tx via Marinade's liquidity pool (NOT delayed-unstake / OrderUnstake — that flow returns full SOL after one epoch but requires an ephemeral ticket-account signer the Ledger-only signing model can't provide; tracked as a follow-up). The pool charges a small fee (typically 0.3% — varies with pool depth) in exchange for instant liquidity. DURABLE NONCE REQUIRED + same Ledger signing constraints as prepare_marinade_stake. BLIND-SIGN on Ledger. It is categorised as a Financial tool in the VaultPilot MCP MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

What parameters does prepare_marinade_unstake_immediate accept? +

prepare_marinade_unstake_immediate accepts 2 parameters: wallet, amountMSol. Required: wallet, amountMSol. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on prepare_marinade_unstake_immediate? +

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

What risk level is prepare_marinade_unstake_immediate? +

prepare_marinade_unstake_immediate 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 prepare_marinade_unstake_immediate? +

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

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

prepare_marinade_unstake_immediate is provided by the VaultPilot MCP server (vaultpilot-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on VaultPilot, and thousands of servers like it.

This server

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Across the catalogue

All critical-risk MCP tools → The MCP Attack Database →

Guides

Govern MCP payment tools →Human-in-the-loop →Tool call approval →