Gets the JSON Schema for a document type by Id. Returns a complete JSON Schema describing the structure for creating documents of that type, including all property definitions and their value formats. IMPORTANT: Use this tool BEFORE creating documents to understand the expected property structure...
AI agents call get-document-type-schema to retrieve information from Mcp Dev without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries schema metadata for a document type in Umbraco CMS. It performs a read-only operation that returns information about data structure without creating, modifying, deleting, or executing any operations. The tool is explicitly documented as informational ('BEFORE creating documents to understand'), confirming it has no side effects.
From the tool's definition Tool name 'get-document-type-schema' and description 'Gets the JSON Schema for a document type by Id' and 'Returns a complete JSON Schema describing the structure' indicate a retrieval operation with no side effects.
Attacks that exploit this kind of access
Gets the JSON Schema for a document type by Id. Returns a complete JSON Schema describing the structure for creating documents of that type, including all property definitions and their value formats. IMPORTANT: Use this tool BEFORE creating documents to understand the expected property structure for a specific document type. It is categorised as a Read tool in the Mcp Dev MCP Server, which means it retrieves data without modifying state.
Register the Mcp Dev MCP server in PolicyLayer and add a rule for get-document-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 Mcp Dev. Nothing to install.
get-document-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 get-document-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 get-document-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.
get-document-type-schema is provided by the Mcp Dev MCP server (@umbraco-cms/mcp-dev). 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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