get_market_overview

THE RISK

Low Risk

Why get_market_overview needs a policy

This tool retrieves and queries market data (overview and trending tokens) without creating, modifying, deleting, or executing any transactions. It is a passive read operation that returns informational data about market conditions. Despite the server's overall DeFi platform context involving financial operations, this specific tool performs no financial transactions, side effects, or state changes.

From the tool's definition Tool name 'get_market_overview' and description 'Get overall market overview and trending tokens' indicate data retrieval with no modification or execution of operations.

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

POLICY

How to control get_market_overview

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

policy.json

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

get_market_overview 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 Boosty MCP DeFi Platform — 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_market_overview

What does the get_market_overview tool do? +

Get overall market overview and trending tokens. It is categorised as a Read tool in the Boosty MCP DeFi Platform MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_market_overview? +

Register the Boosty MCP DeFi Platform MCP server in PolicyLayer and add a rule for get_market_overview: 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 Boosty MCP DeFi Platform. Nothing to install.

What risk level is get_market_overview? +

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

Can I rate-limit get_market_overview? +

Yes. Add a rate_limit block to the get_market_overview 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_market_overview completely? +

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

get_market_overview is provided by the Boosty MCP DeFi Platform MCP server (nirholas/boosty). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Boosty MCP DeFi Platform tool call.

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

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