Anthropic

Raven is a self-improving agent harness built on EverOS that enables LLM-based agents to refine tools, skills, memory, and policies across multiple...

Archify is an AI agent skill for Claude that converts plain-English descriptions into polished architecture, workflow, sequence, and data-flow...

AI Berkshire is a specialized investment research framework that applies value investing methodologies from Warren Buffett, Charlie Munger, Duan...

OmniRoute is a free AI gateway that aggregates 237+ AI provider endpoints (90+ with free tiers) into a single unified interface, enabling developers...

Loop Engineering provides practical patterns, CLI tools, and starter templates for designing AI agent orchestration systems that separate prompt...

Zero is a terminal-based AI coding agent written in Go that lets developers use their choice of LLM models (OpenAI, Anthropic, Gemini, Ollama, etc.)...

A curated collection of extracted system prompts from major AI assistants including Claude, ChatGPT, Gemini, Grok, Copilot, and others, updated...

9Router is an AI gateway and token optimization service that routes requests from coding tools (Claude Code, Cursor, Cline, Copilot) to 40+ AI...

A specialized Claude Code skill for generating social media carousel templates (Xiaohongshu/Rednote and WeChat cover pairs) from article text,...

Unity MCP is a bridge between AI assistants (Claude, Copilot, local LLMs) and the Unity Editor via Model Context Protocol, enabling developers to...

This is a learning project that reconstructs Claude Code's core architecture in ~5000 lines of TypeScript/Python, designed to teach developers how AI...

Agent Teams AI is a desktop application that orchestrates multiple AI agents to collaborate on tasks through a kanban-style interface, supporting...

Oh My Pi is a terminal-based AI coding agent that integrates IDE capabilities, LSP support, and multi-provider LLM access (Claude, OpenAI, etc.) for...

PentAGI is a fully autonomous AI-powered penetration testing platform that orchestrates multi-agent systems to conduct complex security assessments...

Cascadeflow is a Python and TypeScript runtime layer for AI agents that optimizes cost, latency, quality, and policy decisions through model...

Meridian is a proxy that bridges Anthropic's Claude Code SDK to the standard Anthropic API, enabling Claude Max access through third-party coding...

Caveman is a prompt-engineering plugin/skill for AI coding agents (Claude Code, Codex, Gemini, Cursor, and 30+ others) that instructs the agent to...

OpenWhispr is a privacy-first, open-source voice-to-text application for macOS, Windows, and Linux that supports both local models (Whisper, NVIDIA...

An educational architectural deep-dive into Claude Code's internals based on leaked TypeScript source code, documenting the agent loop, context...

This is a Python-based CLI skill that integrates Obsidian vaults with multiple LLM platforms (Claude Code, Codex, Gemini, OpenCode, Hermes, Pi),...

A comprehensive 92-article Chinese-language tutorial (~520,000 words) teaching AI-assisted coding with Claude Code and Codex CLI tools, designed for...

PM Skills is a collection of 466 professional agent skills (PRDs, launches, compliance templates, CVs, and more) designed for Claude, ChatGPT,...

Osaurus is a native macOS AI agent harness written in Swift that enables local execution of AI models with persistent memory, autonomous execution,...

This is a comprehensive Chinese-language translation and localization project of the Everything Claude Code configuration system—a production-grade...

OpenRath is a PyTorch-inspired Python runtime for building multi-agent and multi-session workflows with explicit control over conversation state,...

This is a curated directory of resources, tools, and integrations built around Anthropic's Claude Code agent platform. It serves developers and teams...

Hope Agent is a desktop AI assistant built in Rust/Tauri that integrates with 44+ LLM providers (Claude, GPT, Gemini, DeepSeek, etc.) and supports...

This is an MCP server that enables AI assistants like Claude to access LinkedIn data through a user's authenticated browser session, supporting...

Headroom is a context compression middleware for AI agents and LLM pipelines that reduces token usage by 15–95% depending on content type (JSON,...

This is a curated list of LLM APIs offering permanent free tiers for text inference, with OpenAI SDK compatibility noted. It serves developers...