Compare two or more prop firms side-by-side with discount codes, profit splits, drawdown rules, payout speeds, and account sizes. Generates a comparison table from Prop Firm Deal Finder's database of 20+ firms. Perfect for helping traders decide between firms. Args: - firms (string[]): 2-10 firm ...
Part of the Prop Firm Deal Finder server.
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AI agents call pfdf_compare_firms to retrieve information from Prop Firm Deal Finder 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 pfdf_compare_firms 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": {
"pfdf_compare_firms": {}
}
}See the full Prop Firm Deal Finder policy for all 6 tools.
These attack patterns abuse exactly the kind of access pfdf_compare_firms 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.
Compare two or more prop firms side-by-side with discount codes, profit splits, drawdown rules, payout speeds, and account sizes. Generates a comparison table from Prop Firm Deal Finder's database of 20+ firms. Perfect for helping traders decide between firms. Args: - firms (string[]): 2-10 firm names to compare (partial matching supported) Returns: Markdown comparison table with all key metrics plus discount codes. Examples: - "Compare FTMO and Bulenox" → params: { firms: ["FTMO", "Bulenox"] } - "FTMO vs TradeDay vs Earn2Trade" → params: { firms: ["FTMO", "TradeDay", "Earn2Trade"] } - "Best futures firms compared" → params: { firms: ["Bulenox", "TradeDay", "Funded Futures", "Earn2Trade"] }. It is categorised as a Read tool in the Prop Firm Deal Finder MCP Server, which means it retrieves data without modifying state.
Register the Prop Firm Deal Finder MCP server in PolicyLayer and add a rule for pfdf_compare_firms: 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 Prop Firm Deal Finder. Nothing to install.
pfdf_compare_firms 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 pfdf_compare_firms 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 pfdf_compare_firms. 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.
pfdf_compare_firms is provided by the Prop Firm Deal Finder MCP server (propfirmdealfinder-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 6 Prop Firm Deal Finder tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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