Retrieve contact types and subtypes from CiviCRM
AI agents call get_contact_types to retrieve information from CiviCRM 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 contact type definitions, which is metadata about system configuration. It performs no data modification, deletion, or external execution—purely informational lookup. The word 'Retrieve' explicitly indicates a read operation with no side effects.
From the tool's definition Tool name 'get_contact_types' and description 'Retrieve contact types and subtypes from CiviCRM' indicate a read-only query operation that fetches configuration/reference data without modification.
Attacks that exploit this kind of access
Retrieve contact types and subtypes from CiviCRM. It is categorised as a Read tool in the CiviCRM MCP Server MCP Server, which means it retrieves data without modifying state.
Register the CiviCRM MCP Server MCP server in PolicyLayer and add a rule for get_contact_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 CiviCRM MCP Server. Nothing to install.
get_contact_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 get_contact_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 get_contact_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.
get_contact_types is provided by the CiviCRM MCP Server MCP server (johncallhub/civicrm-mcp-server). 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.
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