getUserPositions

THE RISK

Low Risk

Why getUserPositions needs a policy

This tool queries and retrieves data about liquidity provider positions from Uniswap V3. It performs a read-only operation that does not create, modify, delete, execute code, or commit financial transactions. The data retrieved is informational about existing positions owned by a user.

From the tool's definition Tool name is 'getUserPositions' and description states it 'Gets all Uniswap V3 LP positions owned by a user.' The verb 'Gets' indicates a retrieval operation with no modification or side effects.

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

POLICY

How to control getUserPositions

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

policy.json

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

getUserPositions 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 Agentek Eth — 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

Related tools and policies

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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 getUserPositions

What does the getUserPositions tool do? +

Gets all Uniswap V3 LP positions owned by a user. Defaults to the connected wallet if no user address is provided. It is categorised as a Read tool in the Agentek Eth MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on getUserPositions? +

Register the Agentek Eth MCP server in PolicyLayer and add a rule for getUserPositions: 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 getUserPositions? +

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

Can I rate-limit getUserPositions? +

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

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

getUserPositions 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.

Enforce policy on every Agentek Eth tool call.

Start from Agentek Eth, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →