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 - **[lucid-mcp-server](https://github.com/smartzan63/lucid-mcp-server)** – An MCP server for Lucidchart and Lucidspark: connect, search, and obtain text representations of your Lucid documents and diagrams via LLM - driven AI Vision analysis. [npm](https://www.npmjs.com/package/lucid-mcp-server)
 - **[LunarCrush Remote MCP](https://github.com/lunarcrush/mcp-server)** - Get the latest social metrics and posts for both current live social context as well as historical metrics in LLM and token optimized outputs. Ideal for automated trading / financial advisory.
 - **[mac-messages-mcp](https://github.com/carterlasalle/mac_messages_mcp)** - An MCP server that securely interfaces with your iMessage database via the Model Context Protocol (MCP), allowing LLMs to query and analyze iMessage conversations. It includes robust phone number validation, attachment processing, contact management, group chat handling, and full support for sending and receiving messages.
+- **[macalc](https://macalculatriceenligne.com/mcp/)** - The most comprehensive everyday calculator MCP server. 255+ tools for finance (FR, BE, CH, US, UK, Morocco, Senegal, Canada), health, math, science, construction, conversions, real estate, cooking, travel, pets, astronomy & textile. Free, no API key. Endpoint: `https://macalculatriceenligne.com/api/mcp`
 - **[Maestro MCP](https://github.com/maestro-org/maestro-mcp)** - An MCP server for interacting with Bitcoin via the Maestro RPC API.
 - **[Magg: The MCP Aggregator](https://github.com/sitbon/magg)** - A meta-MCP server that acts as a universal hub, allowing LLMs to autonomously discover, install, and orchestrate multiple MCP servers - essentially giving AI assistants the power to extend their own capabilities on-demand. Includes `mbro`, a powerful CLI MCP server browser with scripting capability.
 - **[Mailchimp MCP](https://github.com/AgentX-ai/mailchimp-mcp)** - Allows AI agents to interact with the Mailchimp API (read-only)