getStablecoinYields

THE RISK

Low Risk

Why getStablecoinYields needs a policy

This tool retrieves or queries yield opportunity data for stablecoins. It performs no state changes, does not execute transactions, does not move funds, and does not create, modify, or delete any data. It is purely informational, making it a Read category tool.

From the tool's definition Tool name 'getStablecoinYields' and description 'Get yield opportunities specifically for stablecoins' indicate a data retrieval operation with no side effects. The verb 'Get' and the informational nature of querying yield data confirm read-only behavior.

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

POLICY

How to control getStablecoinYields

PolicyLayer is an MCP gateway — it sits between your AI agents and Boosty MCP DeFi Platform, and nothing reaches the server without passing your rules. This is the rule we recommend for getStablecoinYields:

policy.json

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

getStablecoinYields 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 Boosty MCP DeFi Platform — 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 →

Free to start. No card required.

EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about getStablecoinYields

What does the getStablecoinYields tool do? +

Get yield opportunities specifically for stablecoins (USDC, USDT, DAI, FRAX, etc.). It is categorised as a Read tool in the Boosty MCP DeFi Platform MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on getStablecoinYields? +

Register the Boosty MCP DeFi Platform MCP server in PolicyLayer and add a rule for getStablecoinYields: 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 Boosty MCP DeFi Platform. Nothing to install.

What risk level is getStablecoinYields? +

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

Can I rate-limit getStablecoinYields? +

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

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

getStablecoinYields is provided by the Boosty MCP DeFi Platform MCP server (nirholas/boosty). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Boosty MCP DeFi Platform tool call.

Start from Boosty MCP DeFi Platform, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →