Gmail No CASA vs Slack
Side-by-side comparison of two Model Context Protocol servers. Pick the right one for Claude Desktop, Claude Code, or Cursor.
A minimal MCP server for sending plain-text emails and managing Gmail user labels over stdio, using only gmail.send and gmail.labels OAuth scopes.
Comparison
| Feature | Gmail No CASA | Slack |
|---|---|---|
| Pricing | Free | Free |
| Installs | — | 1 |
| Rating | — | — |
| Verified | — | — |
| Hosted | — | Hosted |
| Tools | — | 4 |
| Category | communication | communication |
| Author | aavaz-ai | Slack |
| Repo | aavaz-ai/gmail-mcp | korotovsky/slack-mcp-server |
When to pick Gmail No CASA
A minimal MCP server for sending plain-text emails and managing Gmail user labels over stdio, using only gmail.send and gmail.labels OAuth scopes.
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.