Create a new P2P escrow deal on Base. For ETH deals, the ETH is locked in the contract. For ERC-20 deals, tokens are transferred from your wallet (approval handled automatically). A flat escrow fee is charged in ETH. Requires DEPLOYER_PRIVATE_KEY env var.
AI agents use create_escrow to commit financial operations through Base Escrow — usually the final step of a payment, billing, or trading workflow. A call moves real money.
This tool directly moves real cryptocurrency assets — locking ETH or transferring ERC-20 tokens from the user's wallet and charging fees — constituting a financial commitment and on-chain transaction. Misuse by an AI agent could result in irreversible loss of funds or unauthorized financial obligations, warranting critical severity.
From the tool's definition 'Create a new P2P escrow deal on Base. For ETH deals, the ETH is locked in the contract. For ERC-20 deals, tokens are transferred from your wallet. A flat escrow fee is charged in ETH.'
Attacks that exploit this kind of access
Create a new P2P escrow deal on Base. For ETH deals, the ETH is locked in the contract. For ERC-20 deals, tokens are transferred from your wallet (approval handled automatically). A flat escrow fee is charged in ETH. Requires DEPLOYER_PRIVATE_KEY env var. It is categorised as a Financial tool in the Base Escrow MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the Base Escrow MCP server in PolicyLayer and add a rule for create_escrow: 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 Base Escrow. Nothing to install.
create_escrow 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 create_escrow 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 create_escrow. 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.
create_escrow is provided by the Base Escrow MCP server (lordbasilaiassistant-sudo/base-escrow-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
create_escrow is one line of Base Escrow's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
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