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Side-by-side comparison of two Model Context Protocol servers. Pick the right one for Claude Desktop, Claude Code, or Cursor.
Give AI agents a real phone number and voice. Make outbound calls, handle inbound calls, send email, and manage contacts via 26 MCP tools. ~500ms voice latency
| Feature | Spix-HQ/spix-mcp | Slack |
|---|---|---|
| Pricing | Free | Free |
| Installs | — | 9 200 |
| Rating | — | 4.6 (158) |
| Verified | — | |
| Hosted | — | Hosted |
| Tools | — | 4 |
| Category | communication | communication |
| Author | Spix-HQ | Slack |
| Repo | Spix-HQ/spix-mcp | unyly/mcp-slack |
Give AI agents a real phone number and voice. Make outbound calls, handle inbound calls, send email, and manage contacts via 26 MCP tools. ~500ms voice latency (Deepgram Nova-3 + Claude + Cartesia Sonic-3). Install: pip install spix-mcp. [Free tier available](https://spix.sh).
Bring your Slack into Claude. Catch up on channels, search history, send messages and summarize long threads.
Looking for something else? Browse all MCPs or check trending this week.