Gets the full JSON schema for a specific content type, including all fields, their types, required status, and validation rules. Use this to understand what fields are available when creating or updating content. Example: plone_get_type_schema({contentType:
AI agents call plone_get_type_schema 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 retrieves metadata about content type schemas without creating, modifying, deleting, or executing any operations. It is a pure informational read that helps understand the structure of content types. The blast radius of misuse is minimal — exposure of schema information does not compromise data integrity or enable unauthorized modifications.
From the tool's definition Tool name 'plone_get_type_schema' and description 'Gets the full JSON schema' indicate a retrieval operation. The description explicitly states it is used to 'understand what fields are available' — a query operation with no modification or execution of code.
Attacks that exploit this kind of access
Gets the full JSON schema for a specific content type, including all fields, their types, required status, and validation rules. Use this to understand what fields are available when creating or updating content. Example: plone_get_type_schema({contentType:. 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_type_schema: 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_type_schema 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_type_schema 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_type_schema. 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_type_schema 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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