get_realtime_multi_quote

THE RISK

Low Risk

Why get_realtime_multi_quote needs a policy

This tool retrieves real-time stock quote data for multiple securities (implied by 'multi_quote'). It performs data queries without modifying, deleting, or executing external operations. The functional context—querying Chinese A-shares financial data—is typical of read-only market data APIs.

From the tool's definition Tool name 'get_realtime_multi_quote' indicates retrieval of real-time market quotes. Server description states it provides 'real-time quotes, historical K-lines, financial statements, technical indicators and comprehensive data queries' with 'real-time…

Documented attack patterns abuse exactly the kind of access get_realtime_multi_quote gives an agent:

POLICY

How to control get_realtime_multi_quote

PolicyLayer is an MCP gateway — it sits between your AI agents and A Share, and nothing reaches the server without passing your rules. This is the rule we recommend for get_realtime_multi_quote:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_realtime_multi_quote": {}
  }
}

get_realtime_multi_quote is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register A Share — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

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EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about get_realtime_multi_quote

What does the get_realtime_multi_quote tool do? +

get_realtime_multi_quote. It is categorised as a Read tool in the A Share MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_realtime_multi_quote? +

Register the A Share MCP server in PolicyLayer and add a rule for get_realtime_multi_quote: 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 A Share. Nothing to install.

What risk level is get_realtime_multi_quote? +

get_realtime_multi_quote is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_realtime_multi_quote? +

Yes. Add a rate_limit block to the get_realtime_multi_quote 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.

How do I block get_realtime_multi_quote completely? +

Set action: deny in the PolicyLayer policy for get_realtime_multi_quote. 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.

What MCP server provides get_realtime_multi_quote? +

get_realtime_multi_quote is provided by the A Share MCP server (shouldnotappearcalm/a-share-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every A Share tool call.

Start from A Share, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →