plugins_coingecko_price

THE RISK

Low Risk

Why plugins_coingecko_price needs a policy

This tool performs a simple query against CoinGecko's public API to retrieve publicly available cryptocurrency market data. No data is modified, created, deleted, or irreversibly changed. The tool has no financial transaction capability (it only reads price data, not moves funds).

From the tool's definition Tool 'plugins_coingecko_price' described as 'Get cryptocurrency price and market data from CoinGecko' with return values of 'current price, market cap, volume, and 24h change.' These are read-only data retrievals with no modification, creation, deletion, or…

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

POLICY

How to control plugins_coingecko_price

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 plugins_coingecko_price:

policy.json

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

plugins_coingecko_price 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.

CAP THIS TOOL →

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EXPLORE

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FAQ

Questions about plugins_coingecko_price

What does the plugins_coingecko_price tool do? +

Get cryptocurrency price and market data from CoinGecko via the official plugin. Returns current price, market cap, volume, and 24h 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 plugins_coingecko_price? +

Register the Sperax Ecosystem Crypto & DeFI MCP Server MCP server in PolicyLayer and add a rule for plugins_coingecko_price: 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 plugins_coingecko_price? +

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

Can I rate-limit plugins_coingecko_price? +

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

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

plugins_coingecko_price 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.

CHECK YOUR STACK →