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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.
OpenTool is an MCP server that provides AI agents with secure, authenticated access to a wide range of tools (GitHub, Notion, Slack, etc.) through a single MCP
| Feature | OpenTool | Slack |
|---|---|---|
| Pricing | Free | Free |
| Installs | — | 9 200 |
| Rating | — | 4.6 (158) |
| Verified | — | |
| Hosted | — | Hosted |
| Tools | — | 4 |
| Category | communication | communication |
| Author | Aditya251610 | Slack |
| Repo | Aditya251610/opentool | unyly/mcp-slack |
OpenTool is an MCP server that provides AI agents with secure, authenticated access to a wide range of tools (GitHub, Notion, Slack, etc.) through a single MCP connection. It is fully open-source and self-hostable.
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.