List all available content types on the Drupal site
AI agents call list_content_types to retrieve information from Drupal MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool performs a read-only operation to enumerate content types available on the Drupal site. It has no side effects, does not execute code, does not modify data, and does not affect site functionality.
From the tool's definition Tool description: 'List all available content types on the Drupal site'. This is a retrieval operation that queries metadata without modifying or executing any operations.
Attacks that exploit this kind of access
List all available content types on the Drupal site. It is categorised as a Read tool in the Drupal MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Drupal MCP Server MCP server in PolicyLayer and add a rule for list_content_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 Drupal MCP Server. Nothing to install.
list_content_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 list_content_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 list_content_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.
list_content_types is provided by the Drupal MCP Server MCP server (peximo/drupal-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.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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