FreeCAD MCP is a plugin for controlling FreeCAD through Claude Desktop, supporting various design functions such as creating 3D models from 2D drawings.

Trellis MCP is an interface service that connects AI assistants with Trellis 3D generation models, supporting rapid generation of 3D assets through natural language and importing them into Blender. This project is based on an open - source model and requires self - deployment of the API backend. It is fast and free, but there are stability risks.

The FreeAgent MCP Server is a Claude Model Context Protocol service for managing FreeAgent time records and timers, supporting time tracking, timer management, and time record operations.

The Insights Knowledge Base (IKB) MCP Server is a plug-and-play free knowledge base with over 10,000 high-quality insight reports built-in. It supports local secure storage and private document parsing. The project has optimized data processing efficiency, provides weekly report updates, and plans to integrate embedding models and enhance the report system in the future.

A Google Calendar service implementation based on the Model Context Protocol (MCP), providing functions for adding, deleting, updating, and querying calendar events, as well as finding free time. It supports two interaction methods: CLI and SSE.

The Nostr MCP Server is a server based on the Model Context Protocol (MCP) that enables AI models to interact with the Nostr protocol, achieving free speech interaction on the decentralized social network.

The free community MCP server of OctoEverywhere provides secure and private access services to 3D printers for AI agents through the Model Context Protocol (MCP). Users can link printers, obtain access tokens, and achieve remote monitoring and control.

The Poly.Pizza MCP server is a tool for directly importing free low - poly 3D models into Unity projects, supporting model search, batch import, automatic prefab generation, and copyright information recording.

The free community MCP server of OctoEverywhere provides secure and private access services to 3D printers for AI agents through the Model Context Protocol (MCP), supports printers of various brands, and includes functions such as real-time status monitoring and print control.

The Freelo MCP Server is an unofficial community project that provides a proxy server based on the Model Context Protocol (MCP) for the Freelo API, enabling communication with the Freelo API and supporting integration into AI assistants such as Cline and Claude that support the MCP protocol. The project consists of two main components: a REST API server and an MCP server, and supports functions such as project management, task management, and file management.

A Freepik API interaction server based on the Model Context Protocol, providing image and vector graphic search functions.

An open - source project researching the integration of Retrieval Augmented Generation (RAG) with Multi - Cloud Processing (MCP) servers, focusing on the application of free models in business software and providing a modular learning path and practical cases.