Build an unsigned Compound V3 withdraw transaction. Pass amount: "max" to withdraw the full supplied balance.
AI agents use prepare_compound_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asset | string | Yes | ERC-20 token address being supplied or withdrawn — either the market's base token or a listed collateral token. |
chain | string | — | EVM chain the Comet market lives on. Defaults to ethereum. |
amount | string | Yes | Human-readable decimal amount of `asset`, NOT raw wei/base units. Example: "10" for 10 USDC. Pass "max" for full-balance withdraw. |
market | string | Yes | Comet market address (e.g. cUSDCv3). Discover via get_compound_positions or the Compound registry. |
wallet | string | Yes | 0x-prefixed EVM wallet address (40 hex chars) that will execute this action. |
Parameters from the server's own tool schema.
prepare_compound_withdraw moves real money, and an autonomous agent will call it with the same confidence it calls a search tool. A misread instruction or an injected prompt is all it takes to drain an account or blow a budget.
Attacks that exploit this kind of access
Build an unsigned Compound V3 withdraw transaction. Pass amount: "max" to withdraw the full supplied 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.
prepare_compound_withdraw accepts 5 parameters: asset, chain, amount, market, wallet. Required: asset, amount, market, wallet. The full parameter table on this page comes from the server's own tool schema.
Register the VaultPilot MCP server in PolicyLayer and add a rule for prepare_compound_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.
prepare_compound_withdraw is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the prepare_compound_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.
Set action: deny in the PolicyLayer policy for prepare_compound_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.
prepare_compound_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.