AI agents call user_list to retrieve information from Ashby MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves a list of users from the Ashby recruiting system. It performs a straightforward read operation with no capability to modify, delete, or execute actions. The severity is low because listing users is a standard informational query common in recruitment platforms, though it does expose organizational structure data.
From the tool's definition Tool name 'user_list' and description 'List all users in the organization' indicate a query operation that retrieves data without modification or side effects.
Risk signalsBulk/mass operation — affects multiple targets
Attacks that exploit this kind of access
List all users in the organization. It is categorised as a Read tool in the Ashby MCP MCP Server, which means it retrieves data without modifying state.
Register the Ashby MCP server in PolicyLayer and add a rule for user_list: 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 Ashby MCP. Nothing to install.
user_list 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 user_list 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 user_list. 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.
user_list is provided by the Ashby MCP server (jaketeagle/ashby-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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