Get live spot prices for precious metals (Gold, Silver, Platinum, Palladium) with bid/ask prices, daily change, and price history
AI agents call get-spot-prices to retrieve information from MCP Apps Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool only retrieves and queries current and historical pricing data. It does not create, modify, delete, or execute any operations. While the data retrieved relates to commodity prices (which have financial context), the tool itself performs no financial transactions, money movement, or commitments. It is purely informational, making it a Read category with low severity.
From the tool's definition Tool description states 'Get live spot prices' - a retrieval operation with no side effects. Returns read-only market data (bid/ask prices, daily change, price history) for precious metals.
Attacks that exploit this kind of access
Get live spot prices for precious metals (Gold, Silver, Platinum, Palladium) with bid/ask prices, daily change, and price history. It is categorised as a Read tool in the MCP Apps Server MCP Server, which means it retrieves data without modifying state.
Register the MCP Apps Server MCP server in PolicyLayer and add a rule for get-spot-prices: 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 Apps Server. Nothing to install.
get-spot-prices 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 get-spot-prices 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 get-spot-prices. 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.
get-spot-prices is provided by the MCP Apps Server MCP server (pederzh/goldavenue-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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