List group types in Planning Center Groups. Group types categorize groups (e.g.,
AI agents call pco_list_group_types 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 a list of group type classifications from Planning Center Online. It is a read-only query operation that returns information without creating, modifying, deleting, or executing any external operations. The blast radius of misuse is minimal—an AI agent could only access categorization metadata already visible to authenticated users.
From the tool's definition Tool name 'pco_list_group_types' and description 'List group types in Planning Center Groups' indicate a retrieval operation with no modification or deletion of data.
Attacks that exploit this kind of access
List group types in Planning Center Groups. Group types categorize groups (e.g.,. 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_group_types: 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_group_types 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_group_types 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_group_types. 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_group_types 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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