erc8128_sign_request

A financial tool on the Waiaas MCP server.

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/erc8128-sign-request.md

WHAT IT DOES

What erc8128_sign_request does on Waiaas

AI agents use erc8128_sign_request to commit financial operations through Waiaas, usually the final step of a payment, billing, or trading workflow. A call moves real money.

RISK

Why erc8128_sign_request is rated Critical

Given the server context (multi-chain crypto wallet operations, payments, DeFi), signing a request likely authorizes a financial transaction or payment. The empty description lowers confidence, but the combination of the server's financial nature and 'sign_request' (which typically commits an on-chain action or payment) places this in the Financial category with high severity.

From the tool's definition Tool name 'erc8128_sign_request' on a server described as handling 'transfers, token management, DeFi (swap, lend, stake, bridge, perp)' and 'x402 payments'. ERC-8128 relates to payment channel or request signing protocols in crypto contexts.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs erc8128_sign_request 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 erc8128_sign_request, this is the rule to start with:

erc8128_sign_request Approval-gated

Any call to erc8128_sign_request 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": {
    "erc8128_sign_request": {
      "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 erc8128_sign_request call is checked against it from then on.

FAQ

Questions about erc8128_sign_request

What does the erc8128_sign_request tool do? +

erc8128_sign_request is a financial tool on the Waiaas MCP server. 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 erc8128_sign_request? +

Register the Waiaas MCP server in PolicyLayer and add a rule for erc8128_sign_request: 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 erc8128_sign_request? +

erc8128_sign_request 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 erc8128_sign_request? +

Yes. Add a rate_limit block to the erc8128_sign_request 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 erc8128_sign_request completely? +

Set action: deny in the PolicyLayer policy for erc8128_sign_request. 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 erc8128_sign_request? +

erc8128_sign_request 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.

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