calnode
calnode is an MCP server by Calnode. Lean, self-hostable Calendly & Cal.com alternative — a single Go binary + SQLite, API-first and MCP-native. Apache-2.0. It has 124 GitHub stars and ranks #134 of 630 in Databases by stars.
- Category
- Databases
- Author
- Calnode
- GitHub stars
- 124
- This week
- Tracking since 18 Oct 2026
- Language
- Go
- License
- Apache-2.0 (open source)
- Last update
- 2026-10-22 (2 days ago)
- Links
- SourceWebsite
How to install calnode
Install steps differ per project, so follow the README in the calnode repository. Most MCP servers start with a single command (npx -y <package>, uvx <package> or a Docker image) that you add to your client's config. The install guide shows where that goes in Claude Code, Claude Desktop, Cursor and VS Code.
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Frequently asked questions
What is calnode?
calnode is an MCP server by Calnode in the Databases category. Lean, self-hostable Calendly & Cal.com alternative — a single Go binary + SQLite, API-first and MCP-native. Apache-2.0. It has 124 GitHub stars and ranks #134 of 630 in Databases by stars. It is written in Go. It is licensed under Apache-2.0. It was last updated 2 days ago.
Is calnode free and open source?
Yes. calnode is published under the Apache-2.0 license, so you can run, modify and self-host it at no cost. If it connects to a paid service, that service's own pricing and API terms still apply. Check the repository for the exact license text before using it commercially.
What are the alternatives to calnode?
Other Databases projects on MCP Harbor include Chat2DB, dbx, mcp-toolbox. Each alternative links to its own page with stars, license and recent activity. The Databases category ranks all 630 by stars, and you can re-sort it by growth this week.
Alternatives to calnode
All 630 Databases MCP servers →
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