The database of free AI tools on GitHub
22,947 open-source AI repos. Find a free alternative to any paid AI tool, or see what developers are talking about.
234 repos · showing 151–180
Claude Code hooks that auto-switch model tier based on task complexity
MCP Server for Alpha Advantage API
dsh-sieve: context engineering & token optimization plugin for DeepSeek Harness (DSH) — tool output filtering, context pruning, progressive skill disclosure. 36% smaller payload in offline replay. DSH
A TypeScript-based MCP server that enables testing of REST APIs through Cline. This tool allows you to test and interact with any REST API endpoints directly from your development environment.
Open Source A2A Protocol Adapter SDK for Different Agent Frameworks and Harnesses
给 DeepSeek Harness 用的美女系列皮肤：设置里从 哲风壁纸 拉预览网格，点一张即应用，配色从壁纸提取。支持动态壁纸，也保留自定义选图。
互联网面试准备一站式平台 本地安装即用：桌面端一键启动 基于 LangChain4j + Spring Boot + React + Electron 的面经整合与 AI 面试准备应用。支持面经搜索、AI 面试模拟（RAG + 深挖题 + 连续追问 + 整场评分 + 历史对比）、面试复盘、在线算法 IDE、实习项目概念掌握度闭环，并通过 Function Calling 让大模型自动调用「查面经
Tiny local text-to-24x24 pixel art model, trained on roughly 200K samples in 30 minutes on an RTX 5090.
Gemini Web provider for Magpie with a local backend and experimental Argon support
将 Qoder 的 AI 服务转化为兼容 OpenAI/Claude/Codex 格式的 API，支持每日签到领 Credits、多账号管理、模型上下文展示
The AI-friendly C23 compiler for security research, built on LLVM [WIP]
🐟 闲鱼 OpenClaw/Botpress 频道插件 | Xianyu (Goofish) AI Agent Channel Plugin — 智能客服自动回复、自动发货，Bridge 模式一键接入
The first AI plugin that speaks first. Code-enforced learning + active forgetting + PAC (Proactive Accountability Challenge). Works with Claude Code, Gemini CLI, Hermes, OpenClaw.
ClawdSecbot is a professional AI Bot security protection solution, providing security capabilities including real-time threat detection, prompt injection protection, and security auditing to comprehen
MCP Server for Web Accessibility Testing (10k+ Downloads, #20 on ProductHunt)
一款主打安全且更尊重开发者的开源 DeepSeek Harness 桌面客户端。官方 Web UI ，长任务常驻托盘，支持通知推送；内置安全市场，600+精选插件支持安装审查。
A Model Context Protocol (MCP) server that provides seamless integration with OpenProject API v3.
A Model Context Protocol server for Chess.com's Published Data API. This provides access to Chess.com player data, game records, and other public information through standardized MCP interfaces, allo
Near-native image understanding for DeepSeek Harness
Plugin to run OCRmyPDF with Apple Vision/VisionKit Framework OCR engine (a.k.a. Live Text)
Free Claude API + free OpenAI API in one unified proxy. Drop-in compatible with Anthropic SDK, OpenAI SDK, Claude Code CLI, OpenCode, LangChain. 100+ models (Claude Opus 4.7, Sonnet 4.6, Haiku 4.5, GP
A modern Swift library for creating Excel (.xlsx) files on macOS with image embedding
Editor-facing ACP server for Zed and other ACP clients, composed from published DeepSeek Harness plugins. Community-maintained; not affiliated with DeepSeek.
An open standard for portable, interoperable AI memory across tools, sessions, and devices.
A Codex plugin that quietly captures meaningful project work and syncs it to Plane.
A desktop application for comparing outputs from different Large Language Models (LLMs).
A sandbox for the third-party APIs you depend on. Built from the provider's spec, it fails on purpose, and it replays the exact failure production hit.
An MCP server that provides safe access to your iMessage database through Model Context Protocol (MCP). This server is built with the FastMCP framework and the imessagedb library, enabling LLMs to que
Mechanical Governance for LLM Decisions — model-agnostic governance regimes (R1/R2/R3), hard gates, entropy commit-reveal and governance metrics for high-stakes LLM decision systems.
Plataforma de trading gratis y de código abierto para Mac (con guía para portarla a Windows con Claude): footprint, DOM, backtesting anti-sobreoptimización y estrategias con IA. 100 % local.