Places a Time-Weighted Average Price (TWAP) buy or sell order. The total amount is split into N equal slices executed every (duration / frequency) seconds. WHEN TO USE: For DCA, large entries/exits where minimizing market impact matters more than getting a single price. Example:
Part of the Trade Router server.
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AI agents call place_twap_order to retrieve information from Trade Router without modifying any data. This is common in research, monitoring, and reporting workflows where the agent needs context before taking action. Because read operations don't change state, they are generally safe to allow without restrictions -- but you may still want rate limits to control API costs.
Even though place_twap_order only reads data, uncontrolled read access can leak sensitive information or rack up API costs. An agent caught in a retry loop could make thousands of calls per minute. A rate limit gives you a safety net without blocking legitimate use.
Read-only tools are safe to allow by default. No rate limit needed unless you want to control costs.
{
"version": "1",
"default": "deny",
"tools": {
"place_twap_order": {}
}
}See the full Trade Router policy for all 21 tools.
These attack patterns abuse exactly the kind of access place_twap_order gives an agent. Each links to the full case and the policy that stops it:
Other read tools across the catalogue. The same approach applies to each: allow, with a rate cap to control cost.
Places a Time-Weighted Average Price (TWAP) buy or sell order. The total amount is split into N equal slices executed every (duration / frequency) seconds. WHEN TO USE: For DCA, large entries/exits where minimizing market impact matters more than getting a single price. Example:. It is categorised as a Read tool in the Trade Router MCP Server, which means it retrieves data without modifying state.
Register the Trade Router MCP server in PolicyLayer and add a rule for place_twap_order: 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 Trade Router. Nothing to install.
place_twap_order is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the place_twap_order 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 place_twap_order. 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.
place_twap_order is provided by the Trade Router MCP server (@traderouter/trade-router-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 21 Trade Router tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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