Lists all available content types that can be created in the Plone site (e.g.,
AI agents call plone_get_types to retrieve information from Plone MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and returns metadata about available content types in the Plone CMS without creating, modifying, deleting, or executing any operations. It is purely informational/retrieval in nature, making it a Read category tool with low severity risk since it exposes only schema/configuration information that is typically non-sensitive.
From the tool's definition Tool name 'plone_get_types' and description 'Lists all available content types' indicate a read-only retrieval operation with no modification or execution capability.
Attacks that exploit this kind of access
Lists all available content types that can be created in the Plone site (e.g.,. It is categorised as a Read tool in the Plone MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Plone MCP Server MCP server in PolicyLayer and add a rule for plone_get_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 Plone MCP Server. Nothing to install.
plone_get_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 plone_get_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 plone_get_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.
plone_get_types is provided by the Plone MCP Server MCP server (plone/plone-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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