Get history of gold price.
AI agents call history_of_gold_price to retrieve information from Corpus MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves historical gold price data, which is a read-only operation. It has no capability to modify, delete, or execute operations. The severity is low because misuse would only expose historical market data, posing minimal risk to the user's financial portfolio or system integrity.
From the tool's definition Tool name 'history_of_gold_price' and description 'Get history of gold price' indicate a retrieval operation that queries historical data without modification or side effects.
Attacks that exploit this kind of access
Get history of gold price. It is categorised as a Read tool in the Corpus MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Corpus MCP Server MCP server in PolicyLayer and add a rule for history_of_gold_price: 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 Corpus MCP Server. Nothing to install.
history_of_gold_price 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 history_of_gold_price 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 history_of_gold_price. 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.
history_of_gold_price is provided by the Corpus MCP Server MCP server (mathankarthik18/corpus-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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