PacketExchange: Voice, SMS, 2FA and VoIP
https://server.smithery.ai/packetexchange/voice-sms/mcpSend SMS, place voice calls, verify users with one-time codes (2FA / OTP by SMS or voice call), buy phone numbers (DIDs), run AI voice agents and trade wholesale VoIP routes, all from one API key and one prepaid balance. PacketExchange by Minutes Network. **What your agent can do** - Send SMS and check delivery - Place outbound voice calls - Start and check 2FA / OTP verifications - Search and buy phone numbers - Browse the live voice and SMS route marketplace, compare rates and quality, and buy routes - Run a hosted carrier switch: customers, suppliers, routing, rating, invoicing and settlement - Check balance, usage and spend **Pricing:** the route rate plus a platform fee of 2%, capped at $0.001 per message or call. Prepaid, no monthly fee. Test keys (wmmn_test_sk_) simulate traffic without sending anything. **Connect:** create an API key at https://packetexchange.io/dashboard/api-keys and enter it when you connect. Docs: https://packetexchange.io/mcp
MCP readiness
Readiness is how fully this listing follows its protocol and how it behaved in our probes over 30 days. It is shown for reference and does not move it in search. Search order and leaderboards use the separate quality grade (here C+, 70.6/100), which weighs availability, conformance, p95 speed and descriptor. How the two differ
| Valid MCP handshake | 10/10 | initialize and tools/list both answered. |
| Live MCP endpoint | 25/25 | Endpoint answers the MCP initialize handshake (1959 ms). |
| Protocol revision | 8/10 | Speaks MCP 2025-11-25, 1 revision(s) behind 2026-07-28. |
| Signed descriptor | n/a | No MCP standard defines a signed server descriptor. |
| Uptime (30 days) | 15/15 | 30/30 probes succeeded over 30 days (100%). |
| Tool declaration | 10/10 | Lists 33 tool(s) with descriptions. |
| Verified identity | 5/10 | Publisher declared (repository, package or homepage); claim this listing to verify domain control. |
| Freshness + modern flags | 4/5 | seen in a source within 7 days. |
| Auth declaration | 2/5 | Declares credential scheme: smithery_api_key. |
Compared with peers
Against 53,039 reachable MCP servers in our daily snapshot (2026-11-12 06:46 UTC). Display only; it does not change search order.
- Readiness
- Higher than 95% of peers
- This listing 88 · peer median 81
- Latency
- Faster than 12% of peers
- This listing 821 ms · peer median 326 ms
Where it loses the most points, and how to win them back
- Verified identity −5
— Claim the listing and prove control of its domain.
Now: Publisher declared (repository, package or homepage); claim this listing to verify domain control.
- Auth declaration −3
— State how to authenticate (an auth scheme, or that none is needed).
Now: Declares credential scheme: smithery_api_key.
- Protocol revision −2
— Support the current protocol revision.
Now: Speaks MCP 2025-11-25, 1 revision(s) behind 2026-07-28.
Listed in
Directories this entry was found in.
How to connect
https://server.smithery.ai/packetexchange/voice-sms/mcp
curl -X POST https://server.smithery.ai/packetexchange/voice-sms/mcp \
-H 'Content-Type: application/json' \
-H 'Accept: application/json, text/event-stream' \
-d '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{}}'