GET /yields/poolsBorrow
AI agents call get_yield_pools_borrow 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.
This tool retrieves or queries yield pool borrowing data without modifying, executing external operations, or causing side effects. It is a straightforward data retrieval endpoint consistent with the Read category. The GET HTTP method and naming convention confirm read-only semantics. No financial transactions, code execution, or data modification occurs.
From the tool's definition Tool name 'get_yield_pools_borrow' and description 'GET /yields/poolsBorrow' indicate a read-only HTTP GET operation that retrieves data about yield pools and borrowing information from crypto APIs (DefiLlama Pro, CoinGecko Pro, or Arkham Intelligence).
Attacks that exploit this kind of access
GET /yields/poolsBorrow. It is categorised as a Read tool in the REI Crypto MCP Server MCP Server, which means it retrieves data without modifying state.
Register the REI Crypto MCP Server MCP server in PolicyLayer and add a rule for get_yield_pools_borrow: 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.
get_yield_pools_borrow is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the get_yield_pools_borrow 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.
Set action: deny in the PolicyLayer policy for get_yield_pools_borrow. 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.
get_yield_pools_borrow 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.
get_yield_pools_borrow 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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