Transfer ownership of an ENS name to another wallet address. Automatically detects whether the name is wrapped (NameWrapper/ERC-1155) or unwrapped (BaseRegistrar/ERC-721) and builds the correct transaction. Requirements: - The fromAddress must currently own the name - Both addresses must be valid...
Part of the Name Whisper server.
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AI agents use transfer_ens_name to initiate financial transactions through Name Whisper. Financial operations involve real money and are irreversible once processed. PolicyLayer blocks financial tools by default, requiring explicit human approval with transaction-level limits to prevent unauthorised spending.
transfer_ens_name moves real money. Without a policy, an autonomous agent could initiate transactions that drain accounts or exceed budgets. PolicyLayer blocks financial tools by default, requiring human-in-the-loop approval with configurable spending limits per transaction and per time window.
Financial tools involve real money. Block by default and require explicit human approval before enabling.
{
"version": "1",
"default": "deny",
"tools": {
"transfer_ens_name": {
"deny_if": [
{
"conditions": [],
"on_deny": "Requires human approval."
}
]
}
}
}See the full Name Whisper policy for all 34 tools.
These attack patterns abuse exactly the kind of access transfer_ens_name gives an agent. Each links to the full case and the policy that stops it:
Other financial tools across the catalogue. The same approach applies to each: deny by default, or require human approval.
Transfer ownership of an ENS name to another wallet address. Automatically detects whether the name is wrapped (NameWrapper/ERC-1155) or unwrapped (BaseRegistrar/ERC-721) and builds the correct transaction. Requirements: - The fromAddress must currently own the name - Both addresses must be valid Ethereum addresses - The name must be registered (not expired) WARNING: This transfers FULL ownership. The recipient gains complete control including the ability to transfer, set records, or let the name expire. Resolver records (avatar, addresses, etc.) are NOT affected by transfer — they stay on the name.. It is categorised as a Financial tool in the Name Whisper MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the Name Whisper MCP server in PolicyLayer and add a rule for transfer_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 Name Whisper. Nothing to install.
transfer_ens_name is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the transfer_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.
Set action: deny in the PolicyLayer policy for transfer_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.
transfer_ens_name is provided by the Name Whisper MCP server (namewhisper/ens-tools). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 34 Name Whisper tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
4,600+ MCP servers and 31,000+ tools scanned and risk-classified.