The agent that grows with you
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The agent engineering platform.
Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 20% fewer tokens for coding agents, 60-95% fewer tokens for JSON, same answers. Library, proxy, MCP server.
Documented system prompts from Anthropic - Claude Fable 5.1, Opus 5.5, Claude Design, Claude Code. OpenAI - ChatGPT GPT-6-Astra, Codex. Google - Gemini 3.8 Flash, 3.1 Pro, Antigravity. xAI - Grok, Grok Bot, Cursor, Kimi and more! Updated regularly.
The fastest, litest AI Gateway. Rust core with Python SDK. Call 100+ LLM APIs in OpenAI (or native) format with cost tracking, guardrails, load balancing, and logging [Bedrock, Azure, OpenAI, Anthropic, OpenAI, VertexAI, vLLM, Nvidia NIM]
A hand-picked collection of the finest of resources for the most awesome of agents, Claude Code, the undisputed champion of coding companions, from the unstoppable team at Anthropic PBC (no affiliation). A delectable showcase of top tier skills, ambidextrous agents, scintillating status lines, top notch developer tooling, and also we have plugins
aider is AI pair programming in your terminal
Multi-harness agentic plugin marketplace for Claude Code, Codex, Cursor, OpenCode, GitHub Copilot, Google Antigravity, and Pi
CLI tool for configuring and monitoring Claude Code
A privacy-first app that strips AI watermarks from content you own.
A theoretical reconstruction of the Claude Mythos architecture, built from first principles using the available research literature.
🚀 PR Agent: The Original Open-Source PR Reviewer. This project is not the Qodo free tier.
AI Observability & Evaluation
An Open-Source Asynchronous Coding Agent
Multi-Agent Harness for Production AI
🐚 Python-powered shell. Full-featured, cross-platform and AI-friendly.
~95% on SimpleQA (e.g. Qwen3.6-27B on a 3090). Supports all local and cloud LLMs (llama.cpp, Ollama, Google, ...). 10+ search engines - arXiv, PubMed, your private documents. Everything Local & Encrypted.
Experience-Driven Black-Box Cost Control for Coding Agents
README file generator, powered by AI.
Multiple windows for Claude Desktop with different APIs at the same time: keep your official Claude subscription in one window and run other windows on custom / third-party APIs (cc-switch). Windows. 多开 Claude Desktop,多个窗口同时使用不同 API(官方订阅 + 第三方 API 同时工作)。
MCP-NixOS - Model Context Protocol Server for NixOS resources
Claudemy: an open-source alternative to Udemy and Coursera. Give Claude a topic, it researches the web and builds a course of 2-minute audio lessons with cited sources. A free Claude Code skill.
Lightweight Claude Code statusLine: 5h/7d rate-limit usage, reset countdowns, model + context window, prompt-cache age — one line, 3 styles × 9 themes, daemon fast-mode
One API for every LLM: 170+ providers through one client, with a Rust core and native bindings for every major language.