get-ens-name · Mcp Otc MCP: Risk & Policy

WHAT IT DOES

What get-ens-name does on Mcp Otc

AI agents call get-ens-name to retrieve information from Mcp Otc without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

WHY IT NEEDS A POLICY

Why get-ens-name needs a policy

This tool performs a read-only lookup of ENS (Ethereum Name Service) records associated with an address. It retrieves existing public blockchain data without creating, modifying, deleting, or executing any code. The sibling tools (check-balance, get-contract-abi, get-gas-prices, get-token-transfers, get-transactions) are all Read category operations, consistent with this classification.

From the tool's definition Tool description states it 'Get[s] the ENS name for an Ethereum address' — a pure query operation that retrieves data with no modification or side effects.

Attacks that exploit this kind of access

Questions about get-ens-name

What does the get-ens-name tool do? +

Get the ENS name for an Ethereum address. It is categorised as a Read tool in the Mcp Otc MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get-ens-name? +

Register the Mcp Otc MCP server in PolicyLayer and add a rule for get-ens-name: 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 Mcp Otc. Nothing to install.

What risk level is get-ens-name? +

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

Can I rate-limit get-ens-name? +

Yes. Add a rate_limit block to the get-ens-name 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 get-ens-name completely? +

Set action: deny in the PolicyLayer policy for get-ens-name. 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 get-ens-name? +

get-ens-name is provided by the Mcp Otc MCP server (otc-ai/mcp-otc). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.