tiger_get_market_data

THE RISK

Low Risk

Why tiger_get_market_data needs a policy

The tool name and server context strongly suggest this retrieves market data without modification or execution. The 'get_' prefix and sibling read-only tools (get_account_info, get_contracts, get_kline, get_earnings, get_financials) establish a pattern of data retrieval. No side effects, financial movement, or destructive operations are implied.

From the tool's definition Tool name 'tiger_get_market_data' indicates data retrieval. Description is empty, but context from server description ('real-time market data') and sibling tools (tiger_get_kline, tiger_get_account_info, tiger_get_contracts) which are clearly read-only…

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

POLICY

How to control tiger_get_market_data

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

policy.json

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

tiger_get_market_data 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 Tiger MCP — 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 tiger_get_market_data

What does the tiger_get_market_data tool do? +

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

How do I enforce a policy on tiger_get_market_data? +

Register the Tiger MCP server in PolicyLayer and add a rule for tiger_get_market_data: 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 Tiger MCP. Nothing to install.

What risk level is tiger_get_market_data? +

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

Can I rate-limit tiger_get_market_data? +

Yes. Add a rate_limit block to the tiger_get_market_data 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 tiger_get_market_data completely? +

Set action: deny in the PolicyLayer policy for tiger_get_market_data. 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 tiger_get_market_data? +

tiger_get_market_data is provided by the Tiger MCP server (luxiaolei/tiger-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Tiger MCP tool call.

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

CHECK YOUR STACK →