Obsidian + Claude = no more copy paste
TL;DR Highlight
An open-source project building persistent memory between Claude.ai and Claude Code via an Obsidian vault + custom MCP server
Who Should Read
Heavy Claude users and developers who need cross-session memory persistence
Core Mechanics
- Deployed an MCP server on a VPS to connect an Obsidian vault to both Claude.ai and Claude Code
- Content written in Claude.ai is immediately searchable and viewable by Claude Code
- Completely solves the cross-session memory disconnect problem
Evidence
- Successfully connected Obsidian vault to both Claude.ai and Claude Code via MCP server on VPS
- Content written in Claude.ai immediately searchable by Claude Code
- Complete cross-session memory disconnect solution demonstrated
How to Apply
- You can set up the VPS + Obsidian + MCP server combination using the open-source code
- GitHub repo is public — check the post for the link
Terminology
MCP (Model Context Protocol)A standard protocol created by Anthropic that lets AI models like Claude directly access external tools and file systems. Think of it as a spec for plugging 'plugins' into AI.
Obsidian VaultThe local folder unit where notes are stored in Obsidian. A collection of markdown (.md) files, making it a great structure for passing context to AI.
Context WindowThe maximum text length an AI model can process at once. Claude's is up to 200K tokens, allowing multiple long notes to be passed at once.