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Second Brain — Documentation

Welcome to the Second Brain wiki. Second Brain is a self-hosted MCP server on Cloudflare Workers that gives every AI tool you use a shared, searchable memory layer.

Pages

• Setup Guide — deploy, schema, auth token, manual setup
• Connect to AI Clients — Claude Desktop, Claude Code, claude.ai, iOS
• Capture from Anywhere — bookmarklet, iOS Shortcuts, share sheet
• Obsidian Plugin — install, configure, sync modes
• API Reference — endpoint reference
• How It Works — semantic search, chunking, duplicate detection
• Web UI — UI dashboard to manage your memories
• Frequently Asked Questions

Quick links

• GitHub repo
• Deploy to Cloudflare
• Discussions