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🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
2026-02-01 15:22:32 +11:00

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RA-OS Overview

What is RA-OS?

RA-OS is a minimal knowledge graph UI with MCP server integration. It provides a local-first knowledge management system designed to be extended by external AI agents via the Model Context Protocol.

Open Source: github.com/bradwmorris/ra-h_os

Design Philosophy

Local-first — Your knowledge network belongs to you. Everything runs locally in a SQLite database you control.

Agent-agnostic — No built-in AI chat. Instead, RA-OS exposes an MCP server that any AI agent (Claude Code, custom agents) can connect to.

Simple & focused — 2-panel UI for browsing and editing your knowledge graph. No bloat.

Tech Stack

  • Frontend: Next.js 15, TypeScript, Tailwind CSS
  • Database: SQLite + sqlite-vec (vector search)
  • Embeddings: OpenAI (BYO API key)
  • MCP Server: Local connector for Claude Code and external agents

What's Included

  • 2-panel UI (nodes list + focus panel)
  • Node/Edge/Dimension CRUD
  • Full-text and semantic search
  • MCP server with 14 tools
  • Guides system (context for external agents)
  • PDF extraction
  • Graph visualization (Map view)
  • BYO API keys

What's NOT Included

  • Chat interface (use external agents via MCP)
  • Voice features
  • Built-in AI agents
  • Auth/subscription system
  • Desktop packaging

Two-Panel Layout

┌─────────────┬─────────────────────────┐
│   NODES     │        FOCUS            │
│   Panel     │        Panel            │
│             │                         │
│ • Search    │ • Node content          │
│ • Filters   │ • Connections           │
│ • List      │ • Dimensions            │
│             │                         │
└─────────────┴─────────────────────────┘

MCP Integration

RA-OS is designed to be the knowledge backend for your AI workflows:

{
  "mcpServers": {
    "ra-h": {
      "command": "node",
      "args": ["/path/to/ra-h_os/apps/mcp-server/stdio-server.js"]
    }
  }
}

Available tools: rah_add_node, rah_search_nodes, rah_update_node, rah_get_nodes, rah_create_edge, rah_query_edges, rah_update_edge, rah_create_dimension, rah_update_dimension, rah_delete_dimension, rah_search_embeddings

Documentation

Doc Description
Schema Database schema, node/edge structure
Tools & Guides Available MCP tools, guide system
UI Component structure, panels, views
MCP External agent connector setup
Troubleshooting Common issues and fixes