Buy from order book + AMM in one transaction.
AI agents use buy_orders_and_contract to commit financial operations through Basis MCP Server — usually the final step of a payment, billing, or trading workflow. A call moves real money.
This tool executes real financial transactions by purchasing tokens from both an order book and an automated market maker (AMM) in a single on-chain transaction. This directly moves funds and commits financial obligations, placing it firmly in the Financial category. The blast radius is critical as misuse could result in significant, irreversible financial losses across two trading venues simultaneously.
From the tool's definition 'Buy from order book + AMM in one transaction' — performs actual token purchases combining order book and AMM trades, committing financial transactions on BNB Smart Chain
Attacks that exploit this kind of access
Buy from order book + AMM in one transaction. It is categorised as a Financial tool in the Basis MCP Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the Basis MCP Server MCP server in PolicyLayer and add a rule for buy_orders_and_contract: 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 Basis MCP Server. Nothing to install.
buy_orders_and_contract 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 buy_orders_and_contract 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 buy_orders_and_contract. 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.
buy_orders_and_contract is provided by the Basis MCP Server MCP server (launch-on-basis/mcp-ts). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
Teams ship this data inside their own products. See what a licence covers →