market_coingecko_categories

WHAT IT DOES

What market_coingecko_categories does on Sperax Ecosystem Crypto & DeFI MCP Server

AI agents call market_coingecko_categories to retrieve information from Sperax Ecosystem Crypto & DeFI MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

THE RISK

Low Risk

Why market_coingecko_categories needs a policy

This is a straightforward data retrieval tool that fetches market information from CoinGecko. It performs no side effects, creates no transactions, executes no code, and cannot cause financial harm. The severity is low because misuse would only result in retrieving public market information, which cannot be weaponized to cause damage to systems or users.

From the tool's definition The tool description states it "Get[s] all categories with market data (market cap, volume, change)" — a pure retrieval operation that queries public market data without modifying, executing operations, or moving funds.

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

POLICY

How to control market_coingecko_categories

PolicyLayer is an MCP gateway — it sits between your AI agents and Sperax Ecosystem Crypto & DeFI MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for market_coingecko_categories:

policy.json

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

market_coingecko_categories 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 Sperax Ecosystem Crypto & DeFI MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

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EXPLORE

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FAQ

Questions about market_coingecko_categories

What does the market_coingecko_categories tool do? +

Get all categories with market data (market cap, volume, change). It is categorised as a Read tool in the Sperax Ecosystem Crypto & DeFI MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on market_coingecko_categories? +

Register the Sperax Ecosystem Crypto & DeFI MCP Server MCP server in PolicyLayer and add a rule for market_coingecko_categories: 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 Sperax Ecosystem Crypto & DeFI MCP Server. Nothing to install.

What risk level is market_coingecko_categories? +

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

Can I rate-limit market_coingecko_categories? +

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

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

market_coingecko_categories is provided by the Sperax Ecosystem Crypto & DeFI MCP Server MCP server (sperax/sperax-crypto-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Sperax Ecosystem Crypto & DeFI MCP Server tool call.

Start from Sperax Ecosystem Crypto & DeFI MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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1318 Sperax Ecosystem Crypto & DeFI MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.