buy_yt

Buy YT (Yield Token) from a Pendle market for leveraged yield exposure

SERVERWaiaas SOURCEminhoyoo-iotrust/waiaas

Critical RISK CLASS

Category Financial

Parameters 00 required

Recommended Approval-gatedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/minhoyoo-iotrust-waiaas/buy-yt.md

WHAT IT DOES

What buy_yt does on Waiaas

AI agents use buy_yt to commit financial operations through Waiaas, usually the final step of a payment, billing, or trading workflow. A call moves real money.

RISK

Why buy_yt is rated Critical

This tool executes a financial transaction on a DeFi protocol (Pendle), purchasing yield tokens with real crypto assets. It commits funds to a leveraged position, constituting a financial obligation. Misuse could result in significant financial loss due to the leveraged nature of YT tokens, which can lose value rapidly.

From the tool's definition Buy YT (Yield Token) from a Pendle market for leveraged yield exposure

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs buy_yt safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Waiaas, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For buy_yt, this is the rule to start with:

buy_yt Approval-gated

Any call to buy_yt is blocked until a human approves it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "buy_yt": {
      "deny_if": [
        {
          "conditions": [],
          "on_deny": "Requires human approval."
        }
      ]
    }
  }
}

GATE THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Waiaas, apply this rule, and every buy_yt call is checked against it from then on.

FAQ

Questions about buy_yt

What does the buy_yt tool do? +

Buy YT (Yield Token) from a Pendle market for leveraged yield exposure. It is categorised as a Financial tool in the Waiaas MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on buy_yt? +

Register the Waiaas MCP server in PolicyLayer and add a rule for buy_yt: 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 Waiaas. Nothing to install.

What risk level is buy_yt? +

buy_yt is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit buy_yt? +

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

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

buy_yt is provided by the Waiaas MCP server (minhoyoo-iotrust/waiaas). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on Waiaas, and thousands of servers like it.

This server

All 126 Waiaas tools → Critical-risk tools on this server →

Across the catalogue

buy_now on Ebay → All critical-risk MCP tools → The MCP Attack Database →

Guides

Govern MCP payment tools →Human-in-the-loop →Tool call approval →