This record as markdown: /tools/creativelead-unclick/resend-list-domains.md
What resend_list_domains does on UnClick
AI agents call resend_list_domains to retrieve information from UnClick without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
api_key | string | — |
Parameters from the server's own tool schema.
Why resend_list_domains is rated Low
The tool performs a query-only action (list/fetch) against Resend's domain configuration. It retrieves existing data without creating, modifying, deleting, or executing any operations. This is a standard Read operation with minimal security risk unless the retrieved data itself is highly sensitive, but listing domains is typically a low-impact administrative query.
From the tool's definition Tool name 'resend_list_domains' and description 'List domains configured in Resend' indicate a retrieval operation with no modification or side effects.
Risk signalsHandles credentials or secrets (api_key)
Attacks that exploit this kind of access
The rule that runs resend_list_domains safely
PolicyLayer is an MCP gateway: it sits between your AI agents and UnClick, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For resend_list_domains, this is the rule to start with:
resend_list_domains is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect UnClick, apply this rule, and every resend_list_domains call is checked against it from then on.
Questions about resend_list_domains
List domains configured in Resend. It is categorised as a Read tool in the UnClick MCP Server, which means it retrieves data without modifying state.
resend_list_domains accepts 1 parameter: api_key. The full parameter table on this page comes from the server's own tool schema.
Register the UnClick MCP server in PolicyLayer and add a rule for resend_list_domains: 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 UnClick. Nothing to install.
resend_list_domains is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the resend_list_domains 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 resend_list_domains. 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.
resend_list_domains is provided by the UnClick MCP server (creativelead/unclick). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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