get_latest_news

THE RISK

Low Risk

Why get_latest_news needs a policy

This tool queries external news data and returns information without modifying, deleting, or executing operations. It is a straightforward data retrieval function, making it a Read category risk. Severity is low because fetching news poses minimal security risk even if misused by an AI agent.

From the tool's definition Tool name 'get_latest_news' and description 'Fetches the latest crypto news from CryptoPanic API' indicate a retrieval operation with no side effects.

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

POLICY

How to control get_latest_news

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

policy.json

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

get_latest_news 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 Crypto Multi-MCP Hub — 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_latest_news

What does the get_latest_news tool do? +

Fetches the latest crypto news from CryptoPanic API. It is categorised as a Read tool in the Crypto Multi-MCP Hub MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_latest_news? +

Register the Crypto Multi-MCP Hub MCP server in PolicyLayer and add a rule for get_latest_news: 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 Crypto Multi-MCP Hub. Nothing to install.

What risk level is get_latest_news? +

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

Can I rate-limit get_latest_news? +

Yes. Add a rate_limit block to the get_latest_news 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_latest_news completely? +

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

get_latest_news is provided by the Crypto Multi-MCP Hub MCP server (pellenybe/crypto-mcp-server---by-corax-colab). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Crypto Multi-MCP Hub tool call.

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

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