get_yield_pools · REI Crypto MCP Server MCP: Risk & Policy

WHAT IT DOES

What get_yield_pools does on REI Crypto MCP Server

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

WHY IT NEEDS A POLICY

Why get_yield_pools needs a policy

This tool retrieves cryptocurrency yield pool information from external APIs. It performs no data modification, deletion, code execution, or financial transactions. The operation is a simple query that returns informational data about DeFi yield opportunities.

From the tool's definition Tool name 'get_yield_pools' and description 'GET /yields/pools' indicate a read-only query operation that retrieves yield pool data from crypto APIs (DefiLlama Pro, CoinGecko Pro, Arkham Intelligence).

Attacks that exploit this kind of access

Questions about get_yield_pools

What does the get_yield_pools tool do? +

GET /yields/pools. It is categorised as a Read tool in the REI Crypto MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_yield_pools? +

Register the REI Crypto MCP Server MCP server in PolicyLayer and add a rule for get_yield_pools: 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 REI Crypto MCP Server. Nothing to install.

What risk level is get_yield_pools? +

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

Can I rate-limit get_yield_pools? +

Yes. Add a rate_limit block to the get_yield_pools 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_yield_pools completely? +

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

get_yield_pools is provided by the REI Crypto MCP Server MCP server (0xreisearch/crypto-mcp-beta). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

// THE FULL RECORD

get_yield_pools is one line of REI Crypto MCP Server's registry record.

The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.

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