Best Productivity harnesses for AI agents
The most-adopted Productivity harnesses an AI agent can use, ranked by GitHub stars, with what each is best for. Loadbay is an MCP server, so an agent can pull this list live:
claude mcp add --transport http loadbay https://loadbay.xyz/api/mcp
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1. cowagent
46,096★ ·
Most adopted — the default starting point. Best for WeChat, Feishu, Web. Open-source super AI assistant and agent harness that plans tasks, runs tools and skills, and self-evolves with memory and knowledge. Multi-model, multi-channel with MCP support — lightweight and one-line installable. -
2. nanobot
45,644★ ·
Best for Telegram, Discord, Slack. Ultra-lightweight self-hosted personal AI agent runtime with persistent goals, long-term memory, and built-in MCP support. Connects to Telegram, Discord, Slack, WeChat, and more while supporting shell, file, and web search tools alongside local LLM backends. -
3. obsidian-skills
45,414★ ·
Best for Obsidian, Claude Code, Codex. Standardized agent-skill modules teaching AI agents to use Obsidian's CLI and data formats (Markdown, JSON Canvas, Bases) to read and write local vaults. Works natively with Claude Code, Codex, and OpenCode via the Agent Skills specification. -
4. OpenHuman
35,075★ ·
Best for MCP servers, Obsidian, Claude. A personal AI super-intelligence desktop app combining a persistent memory system (Memory Trees + Obsidian), agent orchestration on checkpointed graphs, deep research tools, 100+ OAuth integrations, and access to 5,000+ MCP servers. -
5. QwenPaw
34,284★ ·
Best for MCP servers, web search, local files. Harness-engineered personal AI assistant deployable locally or in the cloud, with MCP server support, skills, and multi-agent workflow orchestration. Designed around harness-engineering principles so agents manage tasks, schedules, and tool calls through a unified runtime. -
6. ZeroClaw
32,312★ ·
Best for Anthropic, OpenAI, Ollama. A local-first autonomous AI personal assistant runtime in Rust that connects 20+ LLM providers to 30+ communication channels (Discord, Telegram, Matrix, email, webhooks, CLI) and executes actions via shell commands, browser automation, and HTTP — self-hosted, all data stays on your machine. -
7. composio
28,821★ · TypeScript
Best for Gmail, Slack, GitHub. Tool platform powering 1000+ toolkits with authentication, tool search, and a sandboxed workbench so AI agents can act across apps. -
8. gws
28,571★ ·
Best for Google Drive, Gmail, Google Calendar. CLI tool wrapping all Google Workspace services (Drive, Gmail, Calendar, Sheets, Docs, Chat, Admin) for both humans and AI agents; ships with 40+ agent skills that expose structured JSON access to every Google API endpoint an agent might call. -
9. baoyu-skills
24,850★ ·
Best for Claude Code, Codex, image generation providers. Curated collection of 20+ agent skills for Claude Code and Codex covering content generation (infographics, comics, slides), AI-powered image generation, and utilities (translation, transcription, markdown) to improve daily work efficiency. -
10. Pascal Editor
22,709★ ·
Best for MCP, React Three Fiber, WebGPU. 3D architectural editor with an authenticated MCP service so coding agents can create and edit building projects programmatically.