AI agents call wind_tdays to retrieve information from Wind 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 date sequences or trading day calendars within a specified time interval. It is a read-only operation that queries financial market calendar data without creating, modifying, deleting, executing code, or committing financial transactions. The low severity reflects that date/calendar information alone poses minimal risk even if misused by an AI agent.
From the tool's definition Tool name 'wind_tdays' and description '获取区间内日期序列（TDAYS）' (Get date sequence within interval) indicates a query function that retrieves a time series of dates/trading days. The description explicitly states it retrieves/gets data without modification.
Documented attack patterns abuse exactly the kind of access wind_tdays gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Wind MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for wind_tdays:
{
"version": "1",
"default": "deny",
"tools": {
"wind_tdays": {}
}
}wind_tdays is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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获取区间内日期序列（TDAYS）. It is categorised as a Read tool in the Wind MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Wind MCP Server MCP server in PolicyLayer and add a rule for wind_tdays: 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 Wind MCP Server. Nothing to install.
wind_tdays 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 wind_tdays 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 wind_tdays. 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.
wind_tdays is provided by the Wind MCP Server MCP server (abuttoncc/wind-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Wind MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
8 Wind MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.