ni-c/smtp-mcp vs Slack
Side-by-side comparison of two Model Context Protocol servers. Pick the right one for Claude Desktop, Claude Code, or Cursor.
Send, reply to and forward mail over SMTP, restricted to a recipient allowlist, with each message approved by a person before sending.
Comparison
| Feature | ni-c/smtp-mcp | Slack |
|---|---|---|
| Pricing | Free | Free |
| Installs | — | 7 |
| Rating | — | — |
| Verified | — | — |
| Hosted | — | Hosted |
| Tools | — | 4 |
| Category | communication | communication |
| Author | ni-c | Slack |
| Repo | ni-c/smtp-mcp | korotovsky/slack-mcp-server |
When to pick ni-c/smtp-mcp
Send, reply to and forward mail over SMTP, restricted to a recipient allowlist, with each message approved by a person before sending.
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.