This record as markdown: /tools/io-github-malamutemayhem-unclick-mcp-server/klaviyo-list-lists.md
What klaviyo_list_lists does on UnClick
AI agents call klaviyo_list_lists 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 | Yes | Klaviyo private API key |
Parameters from the server's own tool schema.
Why klaviyo_list_lists is rated Low
This tool performs a straightforward read operation to enumerate or retrieve metadata about Klaviyo lists. It has no side effects, does not create, modify, or delete data, and does not execute code or trigger external state changes. The blast radius of misuse is minimal—an agent could learn about list structure but cannot cause harm through this tool alone.
From the tool's definition Tool name 'klaviyo_list_lists' and description 'List Klaviyo lists' indicate a retrieval operation that queries and returns information about existing Klaviyo email marketing lists without modifying them.
Risk signalsHandles credentials or secrets (api_key)
Attacks that exploit this kind of access
The rule that runs klaviyo_list_lists 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 klaviyo_list_lists, this is the rule to start with:
klaviyo_list_lists 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 klaviyo_list_lists call is checked against it from then on.
Questions about klaviyo_list_lists
List Klaviyo lists. It is categorised as a Read tool in the UnClick MCP Server, which means it retrieves data without modifying state.
klaviyo_list_lists accepts 1 parameter: api_key. Required: 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 klaviyo_list_lists: 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.
klaviyo_list_lists 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 klaviyo_list_lists 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 klaviyo_list_lists. 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.
klaviyo_list_lists is provided by the UnClick MCP server (@unclick/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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