Search Richgo Finance for a stock by Korean name, partial name, or code. Returns matching stock candidates.
AI agents call richgo_search_stock to retrieve information from Richgo Finance MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool retrieves and searches stock data without creating, modifying, deleting, or executing any operations. It is a pure read operation that queries a financial database and returns results. While the server is financial in nature, this specific tool only performs lookups and analysis queries without moving money, committing financial obligations, or triggering transactions.
From the tool's definition Tool description states it "Search[es] Richgo Finance for a stock" and "Returns matching stock candidates." These are query operations with no modification, deletion, or execution of code/commands.
Attacks that exploit this kind of access
Search Richgo Finance for a stock by Korean name, partial name, or code. Returns matching stock candidates. It is categorised as a Read tool in the Richgo Finance MCP MCP Server, which means it retrieves data without modifying state.
Register the Richgo Finance MCP server in PolicyLayer and add a rule for richgo_search_stock: 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 Richgo Finance MCP. Nothing to install.
richgo_search_stock 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 richgo_search_stock 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 richgo_search_stock. 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.
richgo_search_stock is provided by the Richgo Finance MCP server (reallygood83/rfmcp). 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.
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