List smart lists (saved filters) in Planning Center People. Args: - limit (number): Max results (1-100, default 25) - offset (number): Pagination offset (default 0) - response_format (
AI agents call pco_list_people_lists to retrieve information from Planning Center Online MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and lists existing saved filters/smart lists from Planning Center People. It performs a read-only query with pagination parameters and does not create, modify, delete, or execute any actions. The blast radius is minimal—an AI agent could only retrieve information about existing lists, which is a standard read operation.
From the tool's definition Tool name 'pco_list_people_lists' with description 'List smart lists (saved filters) in Planning Center People' indicates a retrieval operation.
Attacks that exploit this kind of access
List smart lists (saved filters) in Planning Center People. Args: - limit (number): Max results (1-100, default 25) - offset (number): Pagination offset (default 0) - response_format (. It is categorised as a Read tool in the Planning Center Online MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Planning Center Online MCP Server MCP server in PolicyLayer and add a rule for pco_list_people_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 Planning Center Online MCP Server. Nothing to install.
pco_list_people_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 pco_list_people_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 pco_list_people_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.
pco_list_people_lists is provided by the Planning Center Online MCP Server MCP server (tracsoftllc/pco-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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