prepare_aave_withdraw

Build an unsigned Aave V3 withdraw transaction. Pass amount: "max" to withdraw the entire aToken balance.

SERVERVaultPilot MCP SOURCEvaultpilot-mcp

Critical RISK CLASS

Category Financial

Parameters 43 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-aave-withdraw.md

WHAT IT DOES

What prepare_aave_withdraw does on VaultPilot MCP

AI agents use prepare_aave_withdraw 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
`asset`	string	Yes
`chain`	string	—
`amount`	string	Yes	Human-readable decimal amount of `asset`, NOT raw wei/base units. Example: "1.5" for 1.5 USDC, "0.01" for 0.01 ETH. Pass "max" for full-balance withdraw/repay.
`wallet`	string	Yes

Parameters from the server's own tool schema.

RISK

Why prepare_aave_withdraw is rated Critical

This tool constructs a DeFi withdrawal transaction on Aave V3, which moves crypto assets (aTokens redeemed for underlying assets) out of a lending protocol. Even though it only builds an unsigned transaction, it is a direct precursor to a financial operation that transfers crypto holdings.

From the tool's definition 'Build an unsigned Aave V3 withdraw transaction' and 'withdraw the entire aToken balance'

Risk signalsBulk/mass operation — affects multiple targets

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs prepare_aave_withdraw 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_aave_withdraw, this is the rule to start with:

prepare_aave_withdraw Approval-gated

Any call to prepare_aave_withdraw 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_aave_withdraw": {
      "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_aave_withdraw call is checked against it from then on.

FAQ

Questions about prepare_aave_withdraw

What does the prepare_aave_withdraw tool do? +

Build an unsigned Aave V3 withdraw transaction. Pass amount: "max" to withdraw the entire aToken balance. 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_aave_withdraw accept? +

prepare_aave_withdraw accepts 4 parameters: asset, chain, amount, wallet. Required: asset, amount, wallet. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on prepare_aave_withdraw? +

Register the VaultPilot MCP server in PolicyLayer and add a rule for prepare_aave_withdraw: 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_aave_withdraw? +

prepare_aave_withdraw 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_aave_withdraw? +

Yes. Add a rate_limit block to the prepare_aave_withdraw 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_aave_withdraw completely? +

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

prepare_aave_withdraw 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

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