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Productivity harnesses for AI agents

59 open-source Productivity harnesses an AI agent can use — MCP servers, SDKs, and adapters. Browse them on Loadbay. An agent can search these over Loadbay's MCP:

claude mcp add --transport http loadbay https://loadbay.xyz/api/mcp

→ Best Productivity harnesses (top picks, ranked)

cowagent — 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.
nanobot — 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.
obsidian-skills — 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.
OpenHuman — 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.
QwenPaw — 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.
ZeroClaw — 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.
composio — Tool platform powering 1000+ toolkits with authentication, tool search, and a sandboxed workbench so AI agents can act across apps.
gws — 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.
baoyu-skills — 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.
Pascal Editor — 3D architectural editor with an authenticated MCP service so coding agents can create and edit building projects programmatically.
n8n-mcp — MCP server that lets AI coding assistants build and manage n8n workflows by exposing node docs and workflow operations.
LifeOS — An AI-powered personal operating system and general-purpose agent harness that captures user identity, values, and objectives, then uses persistent memory, custom skills, and intelligent routing to guide AI agents from current state to ideal outcomes. Runs as a meta-layer on top of Claude Code and other coding harnesses.
Figma-Context-MCP — MCP server that feeds Figma layout and design data to AI coding agents so they can build UIs from designs.
eigent — Open-source desktop app and multi-agent framework built on CAMEL-AI that lets users build, manage, and deploy an AI workforce to automate complex workflows with local-first, zero-cloud execution.
QM — Multiplayer agent harness for Slack and web where each person or room gets its own scoped memory, files, keychain, permissions, crons, and durable sandbox. Swap between Pi, OpenCode, Codex, and Claude Code as the driver behind the same core.
OfficeCLI — Headless CLI that lets AI agents create, read, and modify Word, Excel, and PowerPoint documents without Office installed. Exposes path-based element access and JSON output, making document generation and editing scriptable for agent workflows.
Pipedream — Pipedream Connect provides a managed MCP server and 2,500+ app integrations with managed auth for agents to act across SaaS tools.
iFixAi — Independent auditor for AI agents that runs a system-under-test through fixture scenarios and grades its mistakes and blind spots with a paired judge model. Ships suites for security, reliability, compliance, and frontier themes; wire any agent by implementing one send_message provider.
claude-obsidian — Local-first knowledge management framework for Obsidian that integrates with Claude Code via 15 coordinated skills for ingesting sources, querying knowledge, linting vault structure, and maintaining citations with full file ownership.
claude-ads — Claude Code agent skill for paid-media operations across 12 ad platforms (Google, Meta, TikTok, LinkedIn, and more). Audits accounts, plans campaigns, and drafts changes — read-only by default with safety gates before any account mutations.
Klavis AI — Open-source MCP integration platform hosting production-ready servers (Gmail, Slack, Notion, Jira, Salesforce) with managed OAuth.
notebooklm-mcp-cli — Programmatic access to Google NotebookLM via CLI and Model Context Protocol, letting agents create notebooks, upload sources, and query grounded AI summaries from their knowledge base through a standard MCP interface.
notion-mcp-server — Notion's official MCP server. Read, search, and update a workspace's pages and databases from any agent.
excel-mcp-server — MCP server for reading, writing, and manipulating Excel workbooks including formulas, formatting, and charts.
mcp-obsidian — MCP server that reads and edits an Obsidian vault through the Obsidian Local REST API plugin.
rhwp — An open-source HWP/HWPX document viewer and editor built in Rust/WebAssembly that ships an MCP server for AI agent integration. Agents connect via MCP to parse, render, and export Korea's proprietary document format to SVG, PNG, and PDF without any installation.
pipeshub-ai — An open-source enterprise AI context layer with an MCP server that unifies business data from Gmail, Slack, Notion, and Drive; agents can query a knowledge graph with permission-aware search and execute code in a built-in safe sandbox.
Microsoft MCP — Microsoft official catalog of MCP servers spanning Microsoft 365, Dynamics, Teams, and Graph for AI-powered data access and actions.
markdownify-mcp — A Model Context Protocol server that converts almost any content to clean Markdown, including web pages, PDFs, Word documents, images, and YouTube transcripts. Agents use it to normalize diverse document types into a format they can read and reason over.
google_workspace_mcp — One MCP server for Gmail, Calendar, Docs, Sheets, Slides, Drive, and Tasks — give an agent your whole Google Workspace.
vexa — Auto-join bot API for Google Meet, Teams, and Zoom that streams real-time transcripts over WebSocket and exposes an MCP server so AI agents can query live meeting context on demand.
macro — A team operating system combining email, chat, docs, tasks, calls, and CRM with near-100% MCP coverage, letting AI agents participate as peers in team workflows. Agents access shared organizational memory synthesized nightly from all communications.
open-connector — Open-source auth gateway and Composio alternative that connects 1,000+ SaaS providers to AI agents via MCP, HTTP/OpenAPI, or SDK. Handles OAuth2, API keys, action allow/block policies, and run logs — credentials never touch the agent process.
slack-mcp-server — A powerful Slack MCP server (DMs and channels, no special permissions) so an agent can read and post in your workspace.
northcinder — Open-source MCP server for product comparison with built-in human-approval gates. Agents compare products across retailers and prompt the buyer before making any purchase decision.
Gmail-MCP-Server — MCP server for Gmail with auto OAuth that lets AI assistants send, search, read, and manage email through natural language.
google-calendar-mcp — MCP server for Google Calendar that lets AI assistants create, view, and manage calendar events.
arcade-mcp — Framework and tool library for building authenticated MCP servers that give agents access to Google, Slack, GitHub, and other apps.
mcp-google-sheets — MCP server that integrates with Google Drive and Sheets to create, read, and modify spreadsheets.
second-brain — Agentic framework acting as an operating system that uses local file intelligence, LLMs, and workflow automation to complete tasks and communicate over multiple modalities and messaging platforms. Agents orchestrate tool use across data sources and channels.
google-docs-mcp — MCP server giving AI assistants full access to Google Docs, Sheets, Drive, Gmail, and Calendar through a user's Google account.
SV Number MCP — MCP server that gives AI agents a real phone number: agents can order a private number in 200+ countries, receive an SMS verification code, and read it back — enabling automated sign-up flows that require phone verification.
todoist-mcp — Official Doist MCP server that lets AI agents create, query, and manage Todoist tasks and projects on a user's behalf.
airtable-mcp-server — Airtable MCP server that lets AI systems read and write bases, tables, fields, and records.
salesforce-mcp — Official Salesforce MCP server for interacting with orgs to query and manage records and metadata.
monday.com MCP — Official monday.com MCP server giving agents secure access to boards, items, columns, and updates on the monday Work OS.
mcp-apple-notes — MCP server that does RAG over your Apple Notes so you can search and chat with them from an AI assistant.
mcp-server-trello — MCP server providing tools to read and manage Trello boards, lists, and cards from an AI assistant.
linear-mcp-server — An MCP server for Linear — let an agent read and manage issues, projects, and cycles.
Zapier MCP — Official Zapier MCP server connecting agents to 8,000+ apps and 30,000+ actions through Zapier automation.
quickbooks-online-mcp-server — Official Intuit MCP server exposing QuickBooks Online accounting features as callable tools for AI assistants.
mcp-gdrive — MCP server for reading from Google Drive and reading and editing Google Sheets, including file search and listing.
shopify-mcp — MCP server for the Shopify API that lets AI assistants manage products, orders, and customers in a store.
canvas-mcp — Canvas LMS MCP server exposing 80+ tools and 5 agent skills for students and educators. AI agents connect to read courses, assignments, grades, and announcements, and can take actions on behalf of users.
mcp-server-apple-events — MCP server giving native macOS integration with Apple Reminders and Calendar through EventKit.
mcp-server-asana — MCP server for Asana that lets AI assistants read and manage workspaces, projects, tasks, and comments.
mcp-hubspot — MCP server that lets AI assistants query and update HubSpot CRM data with built-in vector storage and caching.
fungible — Terminal personal finance app with Plaid bank sync, an AI assistant, and an MCP server for querying account data.
hermes-commerce-dach-x402 — DACH compliance layer for x402 agents - Impressum, DSGVO, BFSG, checks via x402 on Base USDC

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