Composio powers 1000+ toolkits, tool search, context management, authentication, and a sandboxed workbench to help you build AI agents that turn intent into action.
Open Source version of Claude Cowork with 500+ SaaS app integrations
MCP server giving AI assistants full access to Apple Mail - read, search, compose, organize & analyze emails via natural language

Composable Google Sheets CLI for humans and agents. Read, write, update cells by key—with Agent Skills for Claude Code and OpenAI Codex.
Wwise-MCP is a Model Context Protocol (MCP) server that enables large language models (LLMs) to interact with the Wwise Authoring application. It exposes a set of tools built on a custom Python WAAPI library, allowing MCP clients such as Claude or Cursor to automate and compose complex, multi-step Wwise workflows.
RikkaHub is an Android APP that supports for multiple LLM providers.
Magg: The MCP Aggregator

Lightweight AI-friendly Docker Swarm management
Open-source email infrastructure for AI agents.