ObsidianOS - Work Vault
Bring your own AI environment to Obsidian. For note/doc creation, refinement, search, organization, management, you name it!
MCP tool allowing Open WebUI or Claude Desktop to retrieve files from your vault

Bring AI agents into Obsidian via Agent Client Protocol (ACP), such as Claude Code, Codex and Gemini CLI.
Professional cloud sync & VFS for Obsidian. Features zero-space VFS, 4K streaming, MCP AI engine, and P2P collaboration. Supports Baidu/Aliyun/Quark/WebDAV/S3.
Modular Context | Karpathy LLM Knowledge Base + Gmail & G-Cal — multi-account MCP server for Claude Code, encrypted local-first
Every past session, subagent, and workflow -- queryable by your agent, browsable by you

An Obsidian plugin that embeds Claude Code/Codex as an AI collaborator in your vault
Turn PDF and EPUB books into cached AI analysis, Obsidian notes, and installable Codex/Claude Agent Skills through an open MCP server.
Markdown and OFM SDK w/ MCP server that transforms your Obsidian vault into an intelligent knowledge system
The original AI Chief of Staff built on Claude Code and Obsidian. ADHD prosthetic, open to anyone. Superseded by chief-of-staff-2.
Vaultr: AI-native note-taking app compatible with Obsidian. AI agents organize and help you use your notes.
Up to 71.5x fewer tokens per session on Claude Code with Obsidian + Graphify. Persistent memory, codebase knowledge graphs, and chat import pipeline. 🇧🇷 PT-BR included.
Simple, modular, and observable Go framework for backend applications.
🪢 Langfuse documentation -- Langfuse is the open source LLM Engineering Platform. Observability, evals, prompt management, playground and metrics to debug and improve LLM apps
AI Agent Engineering Platform built on an Open Source TypeScript AI Agent Framework
Omnia Vault - the all-in-one project brain: an Obsidian LLM wiki, Graphify code graphs, a living plan that triages new videos against itself, and a Claude Code ⇄ Codex relay. Everything your project knows, in one clonable vault.
A collection of notes on Data Science
AI conversations that actually remember. Never re-explain your project to your AI again. Join our Discord: https://discord.gg/tyvKNccgqN
An MCP server enabling AI assistants to interact with Anytype - your encrypted, local and collaborative wiki - to organize objects, lists, and more through natural language.
MCP server for Apple Developer Documentation - Search iOS/macOS/SwiftUI/UIKit docs, WWDC videos, Swift/Objective-C APIs & code examples in Claude, Cursor & AI assistants
Open-source MCP knowledge mesh - self-host your second brain, expose it to AI agents, federate with peers.
Agenta is a workspace where you and your team build agents and automations.
AgentStack is a production-grade multi-agent framework built on Mastra, delivering 50+ enterprise tools, 25+ specialized agents, and A2A/MCP orchestration for scalable AI systems. Focuses on financial intelligence, RAG pipelines, observability, and secure governance. ACP Openclaw, Gemini CLI, Opencode