SMS MCP server for AI coding tools and developers to integrate SMS messaging, notifications, OTPs, alerts, reminders, and automations into apps using real Android devices via SMS8.io.
Sms Gateway using your phone is a remote MCP server published at mcp.sms8.io. It has been probed 5 times since 9/10/2026. It answered in 5 of them (100.0%), a near-uninterrupted record. Median response time is 351 ms, placing it among the faster endpoints. It offers a narrow, focused set of 10 tools. On the protocol side it still runs 2025-11-25 and has not moved to the newer spec.
Can an LLM agent pick the right tool here — names, descriptions and parameter clarity are assessed.
send_sms — Description abruptly cuts off, missing critical context about P2P limitationssend_sms_list — Overlaps with 'send_sms' in P2P messaging use casesetup_sms8 — Parameter 'api_key' lacks explicit type declaration in input schemaRisk: medium
tools/list structure, inputSchema validity, and a functional smoke test — the components of the 0-100 score.
Each block is one measurement round. Green: working response. Amber: responded but the server was returning errors (5xx). Red: no response at all.
Derived by comparing consecutive probes — changes in era, protocol version, build and reachability.
Add this badge to your README — it updates automatically as measurements change.
[](https://mcpmetrics.io/servers/sms8-sms-gateway)<a href="https://mcpmetrics.io/servers/sms8-sms-gateway"><img src="https://mcpmetrics.io/badge/sms8/Sms-gateway/era.svg" alt="mcpmetrics"></a>You are seeing the last 7 days. Sign up for the full history. Which check failed and why is in the dashboard.
Sign up free to see| Run | Era | Modern | ms | Legacy | ms | Versions |
|---|---|---|---|---|---|---|
| 2026-09-11 16:59:56 | Legacy | 200 | 443 | 200 | 434 | 2024-11-05 |
| 2026-09-11 15:07:20 | Legacy | 200 | 290 | 200 | 272 | 2024-11-05 |
| 2026-09-11 13:13:33 | Legacy | 200 | 808 | 200 | 708 | 2024-11-05 |
| 2026-09-11 11:20:19 | Legacy | 200 | 351 | 200 | 351 | 2024-11-05 |
| 2026-09-10 21:16:35 | Auth-gated | 401 | 319 | 401 | 342 | — |
Each cell is one probe run. Faded cells are incomplete probes — one leg did not answer, so the era is inconclusive.
The two probe legs separately: modern server/discover and legacy initialize.