intent0xSwap

Swap tokens on Ethereum, Optimism, Arbitrum, or Base via the 0x/Matcha aggregator. Automatically handles ERC20 approval if needed. Checks balance before swapping.

SERVERAgentek Eth SOURCEnanidao/agentek

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/nanidao-agentek/intent0xswap.md

WHAT IT DOES

What intent0xSwap does on Agentek Eth

AI agents use intent0xSwap to commit financial operations through Agentek Eth, usually the final step of a payment, billing, or trading workflow. A call moves real money.

RISK

Why intent0xSwap is rated Critical

This tool executes token swaps across multiple blockchain networks, which constitutes a financial transaction moving cryptocurrency assets between parties. It also handles ERC20 approvals automatically, granting spending permissions on-chain. Misuse could result in irreversible financial losses through unauthorized token swaps or malicious approval grants.

From the tool's definition Swap tokens on Ethereum, Optimism, Arbitrum, or Base via the 0x/Matcha aggregator. Automatically handles ERC20 approval if needed.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs intent0xSwap safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Agentek Eth, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For intent0xSwap, this is the rule to start with:

intent0xSwap Approval-gated

Any call to intent0xSwap 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": {
    "intent0xSwap": {
      "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 Agentek Eth, apply this rule, and every intent0xSwap call is checked against it from then on.

FAQ

Questions about intent0xSwap

What does the intent0xSwap tool do? +

Swap tokens on Ethereum, Optimism, Arbitrum, or Base via the 0x/Matcha aggregator. Automatically handles ERC20 approval if needed. Checks balance before swapping. It is categorised as a Financial tool in the Agentek Eth MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on intent0xSwap? +

Register the Agentek Eth MCP server in PolicyLayer and add a rule for intent0xSwap: 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 Agentek Eth. Nothing to install.

What risk level is intent0xSwap? +

intent0xSwap 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 intent0xSwap? +

Yes. Add a rate_limit block to the intent0xSwap 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 intent0xSwap completely? +

Set action: deny in the PolicyLayer policy for intent0xSwap. 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 intent0xSwap? +

intent0xSwap is provided by the Agentek Eth MCP server (nanidao/agentek). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on Agentek Eth, and thousands of servers like it.

This server

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Guides

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