getSmartContracts

THE RISK

Low Risk

Why getSmartContracts needs a policy

This tool retrieves and queries smart contract information without side effects. It performs a lookup operation against a database of verified contracts. No code execution, contract interaction, state changes, or financial transactions occur. The ability to filter by programming language further confirms this is a passive search/query tool, making it a straightforward Read category with low severity.

From the tool's definition Tool description states 'Search for verified smart contracts by name, address, or symbol.' The verb 'search' and the query-only nature (no creation, modification, execution, or deletion) indicate a read-only operation.

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

POLICY

How to control getSmartContracts

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 getSmartContracts:

policy.json

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

getSmartContracts 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.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

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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 getSmartContracts

What does the getSmartContracts tool do? +

Search for verified smart contracts by name, address, or symbol. Optionally filter by programming language. 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 getSmartContracts? +

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

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

Can I rate-limit getSmartContracts? +

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

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

getSmartContracts 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 →