AI agents call paradex_vault_balance 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.
The tool name strongly suggests a read operation that retrieves balance information from a vault, consistent with other read-only account query tools on the server (paradex_account_summary, paradex_account_positions). While the description is uninformative, the naming pattern and server purpose indicate this queries financial data rather than executing trades or moving funds.
From the tool's definition Tool name 'paradex_vault_balance' indicates retrieval of vault balance information. Description is empty, limiting certainty. Context from sibling tools (account summary, positions, fills) suggests this retrieves account/financial data without modifying it.
Documented attack patterns abuse exactly the kind of access paradex_vault_balance 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_vault_balance:
{
"version": "1",
"default": "deny",
"tools": {
"paradex_vault_balance": {}
}
}paradex_vault_balance is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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paradex_vault_balance. 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_vault_balance: 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_vault_balance 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_vault_balance 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_vault_balance. 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_vault_balance 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.