AI Plugin Indexcalendly-mcp-server alternatives
The most used alternatives to calendly-mcp-server are Harness, MCP Registry Server, ref-tools-ref-tools-mcp. All are ai and llm tools MCP servers with an active GitHub repository, ranked below by GitHub stars and recent activity.
| # | MCP server | What it does | Runs | Updated | Stars |
|---|---|---|---|---|---|
| ref | calendly-mcp-server NyxToolsDev | Connect Claude to Calendly — schedule meetings, check availability, manage events | Local | 6 months ago | 0 |
| 1 | Harness autonomous-ai | Start Claude Code and Codex agents the person can watch, wait for them and read their answers. | Local | yesterday | 1.3k |
| 2 | MCP Registry Server modelcontextprotocol | Publish and discover MCP servers via the official MCP Registry. Powered by HAPI MCP server. | Remote | 6 days ago | 7.4k |
| 3 | ref-tools-ref-tools-mcp ref-tools | Provide your AI coding tools with token-efficient access to up-to-date technical documentation for… | Remote | 19 days ago | 1.2k |
| 4 | Microsoft Learn MCP MicrosoftDocs | Official Microsoft Learn MCP Server – real-time, trusted docs & code samples for AI and LLMs. | Remote | 4 days ago | 1.9k |
| 5 | Postman MCP Server postmanlabs | Give your AI agents trusted access to the full Postman platform. | Local and remote | 5 days ago | 324 |
| 6 | Agent-Native Design BuilderIO | Agent-Native design tool - create and edit visual designs with agent assistance | Remote | yesterday | 7.4k |
| 7 | Agent-Native Slides BuilderIO | Agent-Native Google Slides - generate and edit React presentations | Remote | yesterday | 7.4k |
| 8 | firebase-mcp firebase | Gives AI development tools Firebase-specific capabilities and expertise. | Local | yesterday | 4.5k |
| 9 | REA morluto | Reverse engineer anything from your terminal or agent with one CLI and MCP server. | Local | yesterday | 335k |
| 10 | Nhost nhost | Let your users work with their own data through an AI assistant, limited to what they can see. | Local | yesterday | 9.4k |
| 11 | Pollinations pollinations | Access Pollinations models and API capabilities through agent tools. | Remote | 2 days ago | 5.2k |
| 12 | claude-flow ruvnet | AI orchestration with hive-mind swarms, neural networks, and 87 MCP tools for enterprise dev. | Local | 2 days ago | 77k |
Questions
What is the best alternative to calendly-mcp-server?
By usage, Harness is the most popular alternative, with 1.3k GitHub stars. The right choice depends on which features and hosting you need.
Is calendly-mcp-server still maintained?
Its last commit was 6 months ago. You can see current activity on its listing page.