Open-Source ListingsOpen-Source

MCP Toolkit

Create MCP servers directly in your Nuxt application. Define tools, resources, and prompts with a simple and intuitive API.

Pagesift

Rust web scraper & crawler for AI agents: URLs, PDFs and Office files → clean Markdown/JSON. Firecrawl- and Jina Reader-compatible API, MCP server, Python/Node SDKs. Self-hosted single binary.

BrowserPilot

Open‑source alternative to Perplexity Comet, director.ai and firecrawl combined

PRD Driven Context Engineering

PRD-Led Context Engineering — Memory as Infrastructure. An ontology layer for product teams building products that solve real problems — with AI agents that remember. Gated PRD, typed IDs, markdown knowledge graph, Claude Code skills & hooks.

Alibabacloud Devops MCP Server

Yunxiao MCP Server provides AI assistants with the ability to interact with the Yunxiao platform. It provides a set of tools that interact with Yunxiao's API, allowing AI assistants to manage Codeup repository, Project, Pipeline, Packages etc.

Betterlytics

Open-source web analytics with session replay, error tracking, Core Web Vitals and uptime monitoring in one tool. Cookieless, EU-hosted cloud or self-hosted.

X Use

MCP server for X (Twitter). Research profiles, read inboxes, and review posts, replies and outreach with AI clients. Python, multi-account, no X API key required.

Pi Rust

Rust-native, library-first coding-agent runtime and terminal CLI inspired by Pi, with composable LLM providers, tools, sessions, and plugin ABI

Salt Md

The open-source workspace for people and AI agents. Docs, databases and realtime collaboration with an MCP server in the same binary, so agents work in the same workspace on the same permissions. One Go binary, one SQLite file, self-hosted.

Pg MCP Server

MCP Server for Postgres

Schemagate

Text-to-SQL access control: schema selection that gives the LLM only the tables the caller is allowed to read. Row-level-security-aware table pruning for LangChain, MCP and any SQL agent. Postgres, Oracle, MySQL, SQL Server. 75% fewer prompt tokens.

Deliberation

Ask Codex, Gemini, Grok, and 400+ OpenRouter models (Qwen, Kimi, DeepSeek) for second opinions or arbiter-mediated consensus. One MCP server for Claude Code, Codex, Cursor, Kiro, OpenCode. Measures the models' usefulness, too.

Agent Skills

Nobody ships AI slop on purpose. These skills make sure you don’t.

Notion MCP Server

Notion MCP server with token auth: connect Claude Code, Claude Desktop, Cursor, VS Code and Codex to Notion pages, databases, comments and files. 3 tools, 94% less context than the official server, works on any plan, runs headless.

Claude Historian MCP

📜 An MCP server for conversation history search and retrieval in Claude Code

Dembrandt Skills

Senior-level UX and design-system knowledge, packaged so your AI agent applies it automatically.

Yantrikdb Server

Cognitive memory database for AI agents — consolidates duplicates, detects contradictions, fades stale memories via temporal decay. Rust, Apache-2.0, ships as library / MCP server / HTTP cluster.

System1 Agents

System 1 decision models (Jev, Laya, Cua-S1) as brain for agents: Browser use, computer use, games and robotics

Onedrive CLI

Command line interface and MCP for OneDrive

China Travel Kit

Source-aware China inbound travel data, CLI, HTTP API, and MCP server

Agent Loop Skills

Loop until it's better — drop-in agentic loops (autoresearch, scientific writing, data analysis, code/SQL/prompt optimization, red-teaming) as open-standard Agent Skills. Verification-gated; native on Claude Code, portable across Codex, Cursor & other Skills hosts.

Context Engineering

Context Engineering: Build Consistent, Accurate, Predictable AI Systems

Codebadger

🦡 codebadger is a containerized Model Context Protocol (MCP) server that gives AI agents and LLMs deep, queryable access to a codebase's structure and data flow through Joern Code Property Graphs (CPGs).

Tiktok Agent Skills

搭配 KSS MCP 使用的 TikTok Shop 运营 Skill，支持商品选品、店铺分析、爆款视频发现、达人匹配、字幕提取和行动方案生成。