Low Risk

defi_get_token_prices

Get current prices for tokens by contract address. Supports multiple chains.

How to control defi_get_token_prices ↓

What defi_get_token_prices does on Sperax Ecosystem Crypto & DeFI MCP Server

AI agents call defi_get_token_prices 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.

Low Risk

Why defi_get_token_prices needs a policy

This tool queries token price information across multiple chains. It performs a read-only operation with no ability to modify data, execute code, move funds, or trigger external state changes. The blast radius of misuse is minimal—an agent could only retrieve stale or incorrect price information, which would lead to poor decision-making but not direct financial loss or system damage.

From the tool's definition Tool name contains 'get' and description states 'Get current prices for tokens' — retrieves price data with no side effects or state modifications.

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

How to control defi_get_token_prices

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 defi_get_token_prices:

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "defi_get_token_prices": {}
  }
}

defi_get_token_prices is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

  1. Create a free account and register Sperax Ecosystem Crypto & DeFI MCP Server — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
CAP THIS TOOL →

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Related tools and policies

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Questions about defi_get_token_prices

What does the defi_get_token_prices tool do? +

Get current prices for tokens by contract address. Supports multiple chains. 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 defi_get_token_prices? +

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

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

Can I rate-limit defi_get_token_prices? +

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

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

defi_get_token_prices 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.

Free to start. No card required.

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

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