Execute a trade using a quote_id from tm_get_quote. IMPORTANT: Only call this after inspecting the quote from tm_get_quote. The quote must be less than 60 seconds old and have no issues. This tool signs the quote payloads with the user
AI agents use tm_execute_trade to commit financial operations through Truemarkets — usually the final step of a payment, billing, or trading workflow. A call moves real money.
This tool directly executes financial trades on True Markets, committing real financial transactions. Misuse could result in unintended asset purchases/sales with real monetary consequences. It is the highest severity category (Financial) with critical blast radius since trades may be irreversible and involve real funds.
From the tool's definition "Execute a trade using a quote_id from tm_get_quote" and server description mentions "native trading on True Markets" and "secure trade execution"
Attacks that exploit this kind of access
Execute a trade using a quote_id from tm_get_quote. IMPORTANT: Only call this after inspecting the quote from tm_get_quote. The quote must be less than 60 seconds old and have no issues. This tool signs the quote payloads with the user. It is categorised as a Financial tool in the Truemarkets MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the Truemarkets MCP server in PolicyLayer and add a rule for tm_execute_trade: 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 Truemarkets. Nothing to install.
tm_execute_trade 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 tm_execute_trade 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 tm_execute_trade. 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.
tm_execute_trade is provided by the Truemarkets MCP server (jun229/tm-mcp-server). 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.
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