Detect and analyze existing auth.js/next-auth implementation
AI agents call analyze_current_auth to retrieve information from Better Auth MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs detection and analysis of existing authentication implementations. Analysis and detection are read-only operations that retrieve and examine data without modifying, deleting, or executing arbitrary operations. The tool inspects the current state of auth implementations to provide insights, which is consistent with Read category operations like 'get' or 'fetch'.
From the tool's definition Tool name 'analyze_current_auth' and description 'Detect and analyze existing auth.js/next-auth implementation' indicate inspection and analysis of existing authentication configurations without modification, deletion, or execution of external systems.
Attacks that exploit this kind of access
Detect and analyze existing auth.js/next-auth implementation. It is categorised as a Read tool in the Better Auth MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Better Auth MCP Server MCP server in PolicyLayer and add a rule for analyze_current_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 Better Auth MCP Server. Nothing to install.
analyze_current_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 analyze_current_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 analyze_current_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.
analyze_current_auth is provided by the Better Auth MCP Server MCP server (lexiconalex/better-auth-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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