Trending anthropic repos

The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex… Why it matters: useful plumbing for shipping LLM-powered features.

LLM toolingJavaScript★ 279k

why use many token when few token do trick. Viral skill + proxy for coding agents that cuts 65% of tokens by talking like a caveman. Why it matters: useful plumbing for shipping LLM-powered features.

LLM toolingGo★ 111k

The agent that grows with you. Why it matters: useful plumbing for shipping LLM-powered features.

LLM toolingPython★ 253k

A privacy-first app that strips AI watermarks from content you own. Why it matters: useful plumbing for shipping LLM-powered features.

LLM toolingPython★ 24k

A tiny friend in your Mac's notch and on your iPhone that keeps an eye on your AI coding agents: Claude Code, Codex, Cursor, Gemini CLI, Antigravity… Why it matters: relevant if AI is part of your coding workflow.

Coding agentsSwift★ 5.1k

CLI proxy that reduces LLM token consumption by 60-90% on common dev commands. Single Rust binary, zero dependencies. Why it matters: useful plumbing for shipping LLM-powered features.

LLM toolingRust★ 83k

Never stop coding. Free MIT AI gateway: one endpoint, 359 providers (150+ free), 1200+ models Kimi, Claude, GPT, Gemini, GLM, DeepSeek, MiniMax… Why it matters: useful plumbing for shipping LLM-powered features.

LLM toolingTypeScript★ 76k

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… Why it matters: useful plumbing for shipping LLM-powered features.

LLM toolingPython★ 75k

Persistent Context Across Sessions for Every Agent – Captures everything your agent does during sessions, compresses it with AI, and injects relevant… Why it matters: useful plumbing for shipping LLM-powered features.

LLM toolingTypeScript★ 100k

OmO: Just type "mass ulw" keyword with your prompt. Now you are the master of graph engineering. Why it matters: useful plumbing for shipping LLM-powered features.

LLM toolingTypeScript★ 70k

from vibe coding to agentic engineering - practice makes claude perfect. Why it matters: relevant if AI is part of your coding workflow.

Coding agentsHTML★ 68k

Universal provider proxy for OpenAI Codex & Claude Code — use any LLM (Claude, Gemini, Grok, DeepSeek, Ollama…) with Codex CLI, App, SDK, and Claude… Why it matters: useful plumbing for shipping LLM-powered features.

LLM toolingTypeScript★ 17k

Documented system prompts from Anthropic - Claude Fable 5.1, Opus 5.5, Claude Design, Claude Code. OpenAI - ChatGPT GPT-6-Astra, Codex. Google… Why it matters: useful plumbing for shipping LLM-powered features.

LLM toolingPython★ 70k

⌥ Coding agent with the IDE wired in. Built by Stencil Labs. Why it matters: useful plumbing for shipping LLM-powered features.

LLM toolingTypeScript★ 35k

Unlimited FREE AI coding. Connect Claude Code, Codex, Cursor, Cline, Copilot, Antigravity to FREE Claude/GPT/Gemini via 40+ providers. Auto-fallback… Why it matters: useful plumbing for shipping LLM-powered features.

LLM toolingJavaScript★ 31k

Turn Claude Code into a full game dev studio — 49 AI agents, 72 workflow skills, and a complete coordination system mirroring real studio hierarchy. Why it matters: useful plumbing for shipping LLM-powered features.

LLM toolingShell★ 26k

The agent engineering platform. Why it matters: useful plumbing for shipping LLM-powered features.

LLM toolingPython★ 148k

Turbocharge Claude Code, Cursor, Codex, Gemini & every coding agent: faster, cheaper, with contextual understanding specific to your codebase. Why it matters: useful plumbing for shipping LLM-powered features.

LLM toolingTypeScript★ 10k

Multi-harness agentic plugin marketplace for Claude Code, Codex, Cursor, OpenCode, GitHub Copilot, Google Antigravity, and Pi. Why it matters: worth a look if you build or run autonomous agents.

AI agentsPython★ 41k

AI 时代的伯克希尔：基于 Claude Code / Codex 的价值投资研究框架。巴菲特·芒格·段永平·李录四大师方法论 + 多Agent并行研究。| AI-era Berkshire: a value investing research framework built for… Why it matters: useful plumbing for shipping LLM-powered features.

LLM toolingHTML★ 17k

本地优先的跨平台 Claude Code / AI Agent 桌面工作台：多 Agent 协作、Git Worktree、代码 Diff、技能市场、多模型、Computer Use、桌面宠物；支持微信、飞书、钉钉及 H5 等远程访问。 | Local-first Claude Code / AI… Why it matters: useful plumbing for shipping LLM-powered features.

LLM toolingTypeScript★ 15k

An agent skill for building premium, immersive, scroll-driven websites. Works with Codex, Claude Code, and other coding agents. Also available as a… Why it matters: relevant if AI is part of your coding workflow.

Coding agentsJavaScript★ 3.4k

The fastest, litest AI Gateway. Rust core with Python SDK. Call 100+ LLM APIs in OpenAI (or native) format with cost tracking, guardrails, load… Why it matters: useful plumbing for shipping LLM-powered features.

LLM toolingPython★ 61k

Sim is the collaborative workspace to build, deploy, and monitor AI agents and workflows. Used by 100,000+ builders. Why it matters: useful plumbing for shipping LLM-powered features.

LLM toolingTypeScript★ 30k

AI-powered virtual executive team — a single coherent executive persona backed by 8 specialist agents (FastAPI + Next.js). Why it matters: useful plumbing for shipping LLM-powered features.

LLM toolingPython★ 5.6k

Fully autonomous AI Agents system capable of performing complex penetration testing tasks. Why it matters: worth a look if you build or run autonomous agents.

AI agentsGo★ 28k

Local, open-source AI app builder for power users v0 / Lovable / Replit / Bolt alternative Star if you like it! Why it matters: useful plumbing for shipping LLM-powered features.

LLM toolingTypeScript★ 22k

Self-hosted TypeScript agent runtime with durable approvals and verifiable run records. Own it, approve it, audit it. Why it matters: useful plumbing for shipping LLM-powered features.

LLM toolingTypeScript★ 7k

Repomix is a powerful tool that packs your entire repository into a single, AI-friendly file. Perfect for when you need to feed your codebase to… Why it matters: useful plumbing for shipping LLM-powered features.

LLM toolingTypeScript★ 29k

Enhanced ChatGPT Clone: Features Agents, MCP, Skills, DeepSeek, Anthropic, AWS, OpenAI, Responses API, Azure, Groq, o1, GPT-5, Mistral, OpenRouter… Why it matters: useful plumbing for shipping LLM-powered features.

LLM toolingTypeScript★ 46k