Hellio Messaging MCP server
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TDQS
Scored across 28 tools
Each tool targets a distinct operation (send, list, create, etc.) on a specific resource (SMS, voice, OTP, webhook, USSD, etc.). The verb+noun pattern combined with resource-specific prefixes makes it easy to distinguish even related tools like send_sms, send_voice, and send_otp.
All tools follow the consistent pattern 'hellio_<verb>_<noun>' using snake_case. Verbs are standard (get, list, create, update, delete, send, verify, etc.) and nouns correspond to API resources. No mixing of conventions.
With 28 tools, the server covers a broad range of messaging functionalities. While it is on the higher end, the tools are logically grouped (SMS, voice, OTP, USSD, etc.) and each serves a clear purpose, so the count feels justified rather than excessive.
The tool surface covers the main messaging cycles (send, get, list) for SMS, voice, OTP, email verification, number lookup, and USSD. However, there is no tool to delete or update a webhook, and campaign management lacks a delete/update tool, which are minor gaps.