AI agents call users_read to retrieve information from Ghost 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 user data from Ghost CMS. The 'read' suffix and sibling tools pattern (e.g., members_read, members_browse) confirm this is a query operation. No side effects or data modification occur. Empty description slightly reduces confidence, but the naming convention and context are clear indicators.
From the tool's definition Tool name is 'users_read' which indicates a read operation. The server description emphasizes 'managing posts, users, and newsletters' through a CMS interface. The '_read' suffix strongly suggests data retrieval without modification.
Documented attack patterns abuse exactly the kind of access users_read gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Ghost MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for users_read:
{
"version": "1",
"default": "deny",
"tools": {
"users_read": {}
}
}users_read is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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users_read. It is categorised as a Read tool in the Ghost MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Ghost MCP Server MCP server in PolicyLayer and add a rule for users_read: 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 Ghost MCP Server. Nothing to install.
users_read 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 users_read 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 users_read. 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.
users_read is provided by the Ghost MCP Server MCP server (mfydev/ghost-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Ghost MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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42 Ghost MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.