Official monorepo of SDKs, CLI, and MCP servers for Sendmux email APIs across TypeScript, Python, Go, PHP, Rust, and Ruby.
Pixiv, in your terminal — a CLI, MCP server, and Go SDK for discovery, accounts, creators, collections, and downloads.
Markdown and OFM SDK w/ MCP server that transforms your Obsidian vault into an intelligent knowledge system
Host-agnostic bridge connecting Claude Code SDK to IM platforms (Telegram, Discord, Feishu)
Open-source auth gateway connecting 1400+ SaaS providers to AI agents through SDK, CLI, MCP, HTTP, and OpenAPI.
Agent-native flight & hotel search and booking — MCP server, CLI, and Python/JS SDKs. Hundreds of airlines plus the major booking sites, with per-flight reliability history. Free-cancellation hotel rates: hold the room with a small upfront charge, then pay the balance later by link, up to the hotel's own deadline.
Open Source A2A Protocol Adapter SDK for Different Agent Frameworks and Harnesses
A Model Context Protocol (MCP) server for the Readwise Reader API, built with TypeScript and the official Claude SDK.

Wan 3.0 API Python SDK and MCP server for AI video generation: text-to-video, image-to-video, multimodal references, uploads, and async job polling.
Taisly Agent Kit: MCP server, CLI, SDK, and agent docs for publishing videos to TikTok, Reels, Shorts, X, and Facebook.
OpenAI-compatible API proxy for ChatGPT web — expose ChatGPT as an MCP server, REST API, and OpenAI SDK endpoint via CDP-driven browser automation

Universal provider proxy for OpenAI Codex & Claude Code — use any LLM (Claude, Gemini, Grok, DeepSeek, Ollama…) with Codex CLI, App, SDK, and Claude Code
Memory service, SDK, CLI, and plugins for agent recall and writeback.
MCP server, CLI, and agent skills for Pipefy.
Magg: The MCP Aggregator
Use ChatGPT Developer Mode as a local coding agent for your repo through MCP.
An MCP server for querying Solana transactions using natural language with Solscan API
Klavis AI: MCP integration platforms that let AI agents use tools reliably at any scale
The full featured self-hosted Codex gateway, for teams, agents and you
Composio powers 1000+ toolkits, tool search, context management, authentication, and a sandboxed workbench to help you build AI agents that turn intent into action.
MCP server for Kali Linux penetration testing - 121 tools for AI-assisted security testing - Giving Agents access to full pentesting tools