Fetch headline market ticker values from the refreshed Richgo start/market page, such as KOSPI, KOSDAQ, USD/KRW, WTI, and US indices. The response includes freshness metadata and warnings when Korean index dates look stale.
AI agents call richgo_get_market_ticker 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.
This tool only retrieves current market data for analysis purposes. It does not create, modify, delete, or execute any actions. The worst-case misuse would be an agent relying on stale data for decisions, but the tool itself mitigates this by providing freshness warnings. This is a straightforward read operation with minimal blast radius.
From the tool's definition Tool fetches and returns headline market ticker values (KOSPI, KOSDAQ, USD/KRW, WTI, US indices) with no modification capability.
Attacks that exploit this kind of access
Fetch headline market ticker values from the refreshed Richgo start/market page, such as KOSPI, KOSDAQ, USD/KRW, WTI, and US indices. The response includes freshness metadata and warnings when Korean index dates look stale. 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_get_market_ticker: 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_get_market_ticker 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_get_market_ticker 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_get_market_ticker. 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_get_market_ticker 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.
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