Key Takeaways
- building an SMS MCP server overview concepts: a process that exposes tools which POST our HTTPS JSON — the Android still radios SMS.
- Do not rewrite /blog/building-an-sms-mcp-server-overview-android-sms-gateway-in-depth-guide. This spoke is the mental model.
- Not a Cursor/Claude plugin we sell. MCP is an open protocol.
- Priced by devices and SMS send volume. You use your own phone and operator SMS credit.
- Free 300 SMS lifetime is a tool-canary, not agent-driven bulk.
- Last-seen on the phone still matters more than a green MCP handshake.
Concepts for building an SMS MCP server start with a box diagram, not a marketplace tile. Hub: MCP server overview. MCP specification. API hub.
Priced by devices and SMS send volume. You use your own phone and operator SMS credit.
If the architecture slide has an agent and no USB cable, you designed a chatbot. The SMS still leaves a phone you charge.
What you are actually building
A local or hosted process: MCP in, REST out. Developer Center owns paths. Pairing: setup.
MCP vs REST vs the phone
| Layer | Job | Not |
|---|---|---|
| Agent | Choose a tool | The modem |
| MCP server | Map tools → HTTPS JSON | A Cursor/Claude product |
| Gateway API | Accept send/status | Operator airtime |
| Android | Radio the SMS | An MCP transport |
Not a first-party IDE plugin
You may wire Claude Desktop or Cursor to your server. That is your config, not our SKU.
Thin tools, thick REST
send, list devices, register webhook. list-devices · create webhook.
Agents and OTP
Idempotency, hash, isolate devices. OTP.
Hub vs this concepts spoke
Setup walkthroughs live on sibling slugs. This page is the box diagram.
Checklist
- REST fields from docs, not invented tools.
- Keys in env.
- Phone paired and funded.
- No plugin-store claims.
- Tool OK ≠ delivered.
- OTP not in traces.
Next steps
Read the overview, then devices + volume.
Related product pages
Jump to the live product docs for this topic—not another long-form article.
- SMS API documentationLive endpoint reference
- device and SMS volume pricingPlans and allowances
- Android SMS gateway product guideDefinition, product, and how to buy
- download the Android gateway appGet the APK
