Protonctl vs Slack
Side-by-side comparison of two Model Context Protocol servers. Pick the right one for Claude Desktop, Claude Code, or Cursor.
Local, read-only MCP server and CLI for Proton Mail, Proton Drive and Proton Calendar, in Rust, for macOS and Linux. Runs on your computer through Proton's own
Comparison
| Feature | Protonctl | Slack |
|---|---|---|
| Pricing | Free | Free |
| Installs | — | 6 |
| Rating | — | — |
| Verified | — | — |
| Hosted | — | Hosted |
| Tools | — | 4 |
| Category | communication | communication |
| Author | matt-w-horn | Slack |
| Repo | matt-w-horn/protonctl | korotovsky/slack-mcp-server |
When to pick Protonctl
Local, read-only MCP server and CLI for Proton Mail, Proton Drive and Proton Calendar, in Rust, for macOS and Linux. Runs on your computer through Proton's own apps; first supported hosts: Claude Code, Claude Desktop and Cowork. Unofficial; not affiliated with Proton AG.
When to pick Slack
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.