Check the user
AI agents call check_auth to retrieve information from IdeaLift MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a read-only operation that verifies user authentication state. It has no side effects, does not modify data, and does not execute external operations. It falls clearly within the Read category with low severity since misuse would only result in information disclosure about authentication status, not unauthorized access or data manipulation.
From the tool's definition Tool name 'check_auth' and description 'Check the user' indicates a query/verification operation that retrieves or validates authentication status without modifying data or triggering external operations.
Attacks that exploit this kind of access
Check the user. It is categorised as a Read tool in the IdeaLift MCP Server MCP Server, which means it retrieves data without modifying state.
Register the IdeaLift MCP Server MCP server in PolicyLayer and add a rule for check_auth: 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 IdeaLift MCP Server. Nothing to install.
check_auth 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 check_auth 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 check_auth. 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.
check_auth is provided by the IdeaLift MCP Server MCP server (startvest-llc/idealift-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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