🚀 Universal SDK for building next-gen MCP servers

Agent Skills implementation for Strands Agents SDK

Pixiv, in your terminal — a CLI, MCP server, and Go SDK for discovery, accounts, creators, collections, and downloads.

UI over MCP. Create next-gen UI experiences with the protocol and SDK!

Skills, MCP servers, Custom Agents, Agents.md for SDKs to ground Coding Agents

Markdown and OFM SDK w/ MCP server that transforms your Obsidian vault into an intelligent knowledge system

Independent research on Claude Code internals, Claude Agent SDK, and related tooling.

C++ MCP SDK - build Model Context Protocol (MCP) servers and clients in C++ / CPP. Enterprise-grade security, observability, connectivity. Stdio, HTTP+SSE, Streamable HTTP, WebSocket, TCP transports. Bindings for Python, TypeScript, Go, Rust, Java, C#.

The Rust SDK for building coding agents. Tools, streaming, graph, sub-agent orchestration, MCP — as composable functions

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.

Create AI Agents in a No-Code Visual Builder or TypeScript SDK with full 2-way sync. For shipping AI assistants and multi-agent AI workflows.

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.

Correction-first persistent memory for AI agents. MCP server + SDK + CLI. Compounds across sessions.

Computer-Use SDK for E2E QA Testing

X (Twitter) scraper API & X API alternative with REST, MCP, SDKs & webhooks. Not affiliated with X Corp.

A Model Context Protocol (MCP) client library and debugging toolkit in Rust. This foundation provides both a production-ready SDK for building MCP integrations and the core architecture for an interactive debugger.

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.

An open-source, code-first Go toolkit for building, evaluating, and deploying sophisticated AI agents with flexibility and control.

Agent skills for Qdrant vector search: scaling, performance optimization, search quality, monitoring, deployment, model migration, version upgrades, and SDK usage across Python, TypeScript, Rust, Go, .NET, Java

The capability harness for AI agents. Skills over SDKs.

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.

On-demand design systems from any URL. Five surfaces, one agent: web, API, CLI, TypeScript SDK, and a portable agent skill that runs inside Claude Code, Codex, and Cursor.