Sandbox
205 repos for os · CodingClear
getnao/
sylph
getnao/sylphHarnesses

The open-source company brain. Run your entire company with AI agents, skills, and a self-improving context.

196
ReinaMacCredy/
maestro

Local-first coordination for human and agent work: durable work, decisions, dispatches, evidence, and prompt-first methods, powered by TypeScript and Bun.

232

Cross-platform desktop widget + CLI for real-time Claude Code (and opt-in OpenAI Codex) usage — session/weekly limits, cost, forecasts, burn alerts, 11 themes. One pip install (Linux/macOS/Windows).

49

Lightweight Agent Workstation for Codex CLI + Claude Code — with task scheduler, git worktree & remote control

915
damionrashford/
RivalSearchMCP

Deterministic research MCP server on FastMCP 3 — 5-engine web search, 9-platform social search, 6 academic DBs, news aggregation, entity profiles, conflict detection, document analysis. No API keys. No in-server LLM. Structured outputs for agent chaining.

129

Never stop coding. Free MIT AI gateway: one endpoint, 352 providers (150+ free), 1200+ models Kimi, Claude, GPT, Gemini, GLM, DeepSeek, MiniMax. Works with Claude Code, Codex, Cursor, OpenCode, Cline & Copilot. Quota-aware auto-fallback, RTK+Caveman compression saves 15-95% tokens, MCP/A2A, Desktop/PWA. Built by 550+ contributors

64k
aaif-goose/
goose

an open source, extensible AI agent that goes beyond code suggestions - install, execute, edit, and test with any LLM

54k
ComposioHQ/
composio

Composio powers 1000+ toolkits, tool search, context management, authentication, and a sandboxed workbench to help you build AI agents that turn intent into action.

30k
oraios/
serena
oraios/serenaConnectors

A powerful MCP toolkit for coding, providing semantic retrieval and editing capabilities - the IDE for your agent

29k
go-kratos/kratosFrameworks & SDKs

Your ultimate Go microservices framework for the cloud-native era.

26k
Donchitos/
Claude-Code-Game-Studios

Turn Claude Code into a full game dev studio — 49 AI agents, 72 workflow skills, and a complete coordination system mirroring real studio hierarchy.

25k
microsoft/
mcp-for-beginners
microsoft/mcp-for-beginnersTutorials & Guides

This open-source curriculum introduces the fundamentals of Model Context Protocol (MCP) through real-world, cross-language examples in .NET, Java, TypeScript, JavaScript, Rust and Python. Designed for developers, it focuses on practical techniques for building modular, scalable, and secure AI workflows from session setup to service orchestration.

17k
microsoft/
SkillOpt
microsoft/SkillOptFrameworks & SDKs

SkillOpt is a text-space optimizer that trains reusable natural-language skills for frozen LLM agents through trajectory-driven edits, validation-gated updates, and deployable best_skill.md artifacts.

17k
kyegomez/
OpenMythos
kyegomez/OpenMythosFrameworks & SDKs

A theoretical reconstruction of the Claude Mythos architecture, built from first principles using the available research literature.

15k
EverMind-AI/EverOSFrameworks & SDKs

One portable memory layer for every AI agent: local-first, Markdown-native, user-owned, and self-evolving across apps, tools, and workflows.

13k
idosal/git-mcpConnectors

Put an end to code hallucinations! GitMCP is a free, open-source, remote MCP server for any GitHub project

8.4k
maximhq/
bifrost
maximhq/bifrostConnectors

Fastest enterprise AI gateway (50x faster than LiteLLM) with adaptive load balancer, cluster mode, guardrails, 1000+ models support & <100 µs overhead at 5k RPS.

8k
wuyoscar/
GPT-Image2-Skill

GPT Image 2/2.5 prompt gallery, image prompt library, agentic skill, and CLI for OpenAI image generation/editing

5.3k
aipotheosis-labs/
aci

ACI.dev is the open source tool-calling platform that hooks up 600+ tools into any agentic IDE or custom AI agent through direct function calling or a unified MCP server. The birthplace of VibeOps.

4.9k
zgsm-ai/
costrict

Costrict - strict AI coder for enterprises, quality first, including AI Agent, AI CodeReview, AI Completion.

4.4k