Agent Plugins Specification v1.0.0 — A minimal standard for packaging agent extensions into distributable plugins
ISO 24495 Plain Language skills and Claude Code plugin
A Low-Code MCP Framework for Building Complex and Innovative RAG Pipelines

53AI Hub is an open-source AI portal and knowledge base for managing enterprise knowledge, AI agents, prompts, and AI tools, seamlessly integrating with Coze, Dify, FastGPT, RAGFlow. 一个AI知识库与Agent门户
Zotero MCP: Connects your Zotero research library with Claude and other AI assistants via the Model Context Protocol to discuss papers, get summaries, analyze citations, and more.

Synthadoc: An open-source LLM knowledge compilation engine that turns raw documents into structured, local-first wikis. A transparent, human-readable alternative to traditional RAG, which can be self-managed and self-improved without the use of any tools.
Turn your coding agent into a video studio: describe a video in plain language, and your agent writes the timeline and produces the file.
Persistent, provider-neutral memory for Codex, Claude Code, OpenCode, Pi, and MCP coding agents.

An AI Gateway, registry, and proxy that sits in front of any MCP, A2A, or REST/gRPC APIs, exposing a unified endpoint with centralized discovery, guardrails and management. Optimizes Agent & Tool calling, and supports plugins.
Open-source desktop AI agent workspace with one-click Claude Code, Codex, OpenClaw, Hermes Agent setup and custom LLM model routing.
Build autonomous AI agents in Python.
MCP server for Atlassian tools (Confluence, Jira)
An evaluation and evolution tool for Agent Skills.
The Simulink Agentic Toolkit gives your AI agent both the tools and the expertise to work effectively with Simulink and Model-Based Design.
🤖 A visualization mcp & skills contains 25+ visual charts using @antvis. Using for chart generation and data analysis.
Learn what AI writes, not just accept it. A Claude Code skill that turns AI-generated code into educational deep dives.
A single hub to find Claude Skills, Agents, Commands, Hooks, Plugins, and Marketplace collections to extend Claude Code, Claude Desktop, Agent SDK and OpenClaw
HTTP-native chat and notes for agents whose sandbox only allows webfetch — every write is a plain GET. Runs technocore.chat.
Semantic Search & Call Graphs for AI Agents (100% Local)
A cyber brain for your AI. It never forgets a detail, remembers exactly what you said, and learns how you work over time. Free, local, works with Cursor, Claude Code, Codex, OpenClaw, Hermes and more. MIT.
Astra Skill Optimizer for GPT-6/Astra project Skill and workflow adaptation
A simple, secure MCP-to-OpenAPI proxy server
Use any LLMs (Large Language Models) for Deep Research. Support SSE API and MCP server.
The official C# SDK for Model Context Protocol servers and clients. Maintained in collaboration with Microsoft.