AI agents call paradex_account_fills to retrieve information from MCP Paradex Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Fills are historical records of executed trades—intrinsically read-only queries. Even if the implementation unexpectedly modified data, the name and context (a trading platform account tool among retrieve-focused siblings like paradex_account_transactions and paradex_account_summary) indicate read intent.
From the tool's definition Tool name 'paradex_account_fills' strongly suggests retrieval of historical fill/trade data. The empty description prevents full certainty, but fills are retrospective transaction records with no modification capability.
Documented attack patterns abuse exactly the kind of access paradex_account_fills gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and MCP Paradex Server, and nothing reaches the server without passing your rules. This is the rule we recommend for paradex_account_fills:
{
"version": "1",
"default": "deny",
"tools": {
"paradex_account_fills": {}
}
}paradex_account_fills is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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paradex_account_fills. It is categorised as a Read tool in the MCP Paradex Server MCP Server, which means it retrieves data without modifying state.
Register the MCP Paradex Server MCP server in PolicyLayer and add a rule for paradex_account_fills: 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 MCP Paradex Server. Nothing to install.
paradex_account_fills 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 paradex_account_fills 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 paradex_account_fills. 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.
paradex_account_fills is provided by the MCP Paradex Server MCP server (sv/mcp-paradex-py). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from MCP Paradex Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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26 MCP Paradex Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.