agenti_pay

THE RISK

Critical Risk

This tool commits financial obligations (cryptocurrency payments) based on server requirements. The 'automatically pay' language indicates the tool will execute transfers without requiring additional confirmation per transaction, creating critical risk if an AI agent is manipulated into calling this tool.

From the tool's definition Tool description states 'automatically pay if the server requires x402 payment' and server description indicates the tool enables LLM clients to 'spend' cryptocurrency.

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

HOW TO CONTROL AGENTI_PAY

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

policy.json

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

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

Create a free account and register Agenti — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

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EXPLORE

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All 73 Agenti tools →

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Go deeper

Critical-risk tools in Agenti → Every critical-risk tool this server exposes, in one view.
All critical-risk MCP tools → Every critical-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
How to Add Spending Controls to Any MCP Agent →
Rate Limiting MCP Tool Calls: A Practical Guide →

FAQ

What does the agenti_pay tool do? +

Make an HTTP request and automatically pay if the server requires x402 payment. Returns the response body as a string. It is categorised as a Financial tool in the Agenti MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on agenti_pay? +

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

What risk level is agenti_pay? +

agenti_pay 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 agenti_pay? +

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

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

agenti_pay is provided by the Agenti MCP server (nirholas/agenti). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Agenti tool call.

Deterministic rules across all 73 Agenti tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

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73 Agenti tools catalogued and risk-classified — across an index of 42,500+ MCP servers.

// WHAT AGENTI_PAY ON AGENTI DOES

// THE RISK

// HOW TO CONTROL AGENTI_PAY

// EXPLORE