List all gold holdings.
AI agents call list_gold_holdings 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 queries and returns data about gold holdings in the portfolio. It performs no mutations, deletions, executions, or financial transactions—only retrieval. The blast radius of misuse is minimal (information disclosure of existing holdings), making it low severity.
From the tool's definition Tool name 'list_gold_holdings' and description 'List all gold holdings' indicate a retrieval operation with no side effects. 'List' is a query/read verb that retrieves existing data without modification or execution.
Attacks that exploit this kind of access
List all gold holdings. 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 list_gold_holdings: 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.
list_gold_holdings 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 list_gold_holdings 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 list_gold_holdings. 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.
list_gold_holdings 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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