smtp-mcp
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TDQS
Scored across 4 tools
Each tool serves a clearly distinct purpose: test_connection verifies connectivity, get_server_info provides configuration details, preview_mail builds a message without sending, and validate_recipients checks recipient permissions. There is no overlap or ambiguity between these tools.
All tool names follow a consistent verb_noun pattern in snake_case (test_connection, get_server_info, preview_mail, validate_recipients). This uniformity makes the toolset predictable and easy to navigate.
With 4 tools, the server is well-scoped for its purpose of SMTP configuration verification and pre-send checks. Each tool addresses a distinct aspect of the workflow, and the count is neither too sparse nor excessive for the stated functionality.
The toolset fully covers the domain of pre-send validation: retrieving server info, testing the connection, previewing messages with all checks, and validating recipients. The absence of a send tool is intentional (conditional on SMTP_ALLOW_SEND), so the surface is complete for its defined scope.