market_get_coin_by_id

WHAT IT DOES

What market_get_coin_by_id does on Sperax Ecosystem Crypto & DeFI MCP Server

AI agents call market_get_coin_by_id 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_get_coin_by_id needs a policy

This tool queries and returns information about a cryptocurrency without modifying, deleting, executing code, or transferring funds. It is a read-only operation with minimal blast radius if misused by an AI agent.

From the tool's definition Tool name 'market_get_coin_by_id' and description 'Get detailed information about a specific cryptocurrency by its unique identifier' indicate a data retrieval operation with no side effects.

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

POLICY

How to control market_get_coin_by_id

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_get_coin_by_id:

policy.json

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

market_get_coin_by_id 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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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
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FAQ

Questions about market_get_coin_by_id

What does the market_get_coin_by_id tool do? +

Get detailed information about a specific cryptocurrency by its unique identifier. 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_get_coin_by_id? +

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

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

Can I rate-limit market_get_coin_by_id? +

Yes. Add a rate_limit block to the market_get_coin_by_id 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_get_coin_by_id completely? +

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

market_get_coin_by_id 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.