{"id":"rtexception-mail-mcp-server","name":"mail-mcp-server","af_score":40.2,"security_score":32.8,"reliability_score":12.5,"what_it_does":"mail-mcp-server is a Java/Spring AI MCP Server example that exposes email-related capabilities as MCP tools (notably: find contact email by name, and send an email via Spring Boot’s mail integration). It is intended to be used by an MCP Host/Client (e.g., via Spring AI’s MCP client) to let an LLM trigger these tools.","best_when":"You want a simple Spring AI MCP Server to connect an agent to basic SMTP email operations in a controlled environment.","avoid_when":"You need strong authorization, auditability, and validated input guarantees for arbitrary email sending (the example shows minimal validation and coarse control).","last_evaluated":"2026-04-04T20:02:27.905736+00:00","has_mcp":true,"has_api":false,"auth_methods":["MCP transport via Spring AI (SSE/stdio)","SMTP authentication via spring.mail (username/password)"],"has_free_tier":false,"known_gotchas":["No explicit tool-level authorization in the example—agents may be able to trigger email sends if MCP access is exposed.","The contact lookup is based on an in-memory mock map; production agents may produce mismatched or missing contacts unless integrated with a real directory.","Input validation is minimal (e.g., regex-based matching and lack of address validation), so agents should not rely on the tool to sanitize content."],"error_quality":0.0}