RuVector OS

System-level intelligence layer for macOS — semantic search that learns, runs 100% locally, and gives AI agents access to your entire file system knowledge.

RuVector OS is a background daemon that watches your files, builds semantic embeddings using ONNX (all-MiniLM-L6-v2), stores them in an HNSW vector index, constructs a knowledge graph of connections between your documents, and exposes everything through a CLI, web dashboard, and MCP server for Claude integration.

Zero cloud dependency. Zero network access. Your data never leaves your machine.

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Features

• Semantic Search — Find files by meaning, not just keywords. "That Rust async article" finds the exact blog post, not a random tutorial.
• Knowledge Graph — Discovers connections between files across projects and domains automatically.
• Learns Over Time — Search results improve as the system learns from your patterns (GNN layer, Tier 2).
• 100% Local — ONNX embeddings run on-device. No API keys, no internet, no data exfiltration.
• Sub-millisecond Search — HNSW index via ruvector delivers results in <1ms for 50K+ files.
• MCP Server — Claude and other AI agents can query your indexed filesystem in natural language.
• Web Dashboard — Real-time search, knowledge graph visualization, and index stats at localhost:3333.
• macOS LaunchAgent — Runs as a background service, starts at login, restarts on crash.
• Opt-in Everything — Only watches directories you explicitly add. Read-only. No network.

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Quick Start

1. Install

git clone <repo-url> ruvector-os
cd ruvector-os
npm install
npm run build

2. Initialize

node dist/cli/cli.js init

This creates the data directory (~/Library/Application Support/ruvector-os/) and downloads the ONNX model (~22MB).

3. Start Indexing

node dist/cli/cli.js start --watch ~/Projects

The daemon will:

• Watch ~/Projects for file changes (FSEvents, near-zero CPU)
• Extract text content from supported file types
• Compute 384-dimensional embeddings via ONNX
• Store vectors in the HNSW index
• Build a knowledge graph of file relationships
• Serve the dashboard at http://localhost:3333

4. Search

# Via CLI (queries the running daemon's API)
node dist/cli/cli.js search "authentication middleware"

# Via dashboard
open http://localhost:3333

# Via MCP (for Claude integration)
node dist/cli/cli.js mcp-server

5. Stop

node dist/cli/cli.js stop

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CLI Reference

ruvector-memory [command] [options]

Commands:
  init                          Create data directory, download ONNX model
  start [options]               Start the daemon
    --watch <dirs...>           Directories to watch
    --port <port>               Dashboard port (default: 3333)
    --foreground                Run in foreground (no LaunchAgent)
  stop                          Stop the daemon
  status                        Show daemon and index status
  search <query> [options]      Semantic search
    -l, --limit <n>             Max results (default: 10)
    -t, --threshold <n>         Min similarity 0-1 (default: 0.3)
    -d, --directory <dir>       Filter by directory
  watch add <dir>               Add a directory to watch
  watch remove <dir>            Remove a directory from watch
  watch list                    List watched directories
  mcp-server                    Start MCP server (stdio, for Claude)
  uninstall [options]           Uninstall completely
    --delete-data               Also delete all indexed data

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Dashboard

The web dashboard runs at http://localhost:3333 and provides:

• Search Bar — Natural language search with ranked results
• Index Stats — Files indexed, vectors, graph nodes/edges, memory usage, uptime
• Watched Directories — See which directories are being monitored
• Knowledge Graph — Visual graph of file and concept connections
• Activity Log — Real-time stream of indexing events via WebSocket

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MCP Integration (Claude)

RuVector OS includes an MCP server that gives Claude (or any MCP-compatible AI) access to your indexed filesystem.

Setup

Add to your Claude Code MCP config:

{
  "mcpServers": {
    "ruvector-os": {
      "command": "node",
      "args": ["/path/to/ruvector-os/dist/cli/cli.js", "mcp-server"]
    }
  }
}

Available MCP Tools

Tool	Description
search	Semantic search across indexed files
related_files	Find files related to a given file path
index_status	Get daemon status, index stats, memory usage
file_info	Get metadata for a specific indexed file

Example

Once connected, you can ask Claude:

• "Find the architecture document I wrote last month"
• "What files are related to the authentication system?"
• "How many files are indexed and what's the memory usage?"

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Architecture

┌─────────────────────────────────────────────────────────────┐
│  CLI (commander)                                             │
│  ruvector-memory start / search / status / watch / ...       │
└───────┬─────────────────────────────────────────────────────┘
        │
┌───────▼─────────────────────────────────────────────────────┐
│  Daemon (daemon.ts)                                          │
│  Orchestrates all subsystems, handles lifecycle               │
│                                                               │
│  ┌──────────┐  ┌──────────────┐  ┌────────────────────────┐ │
│  │ FSWatcher │  │ OnnxEmbedder │  │ DashboardServer        │ │
│  │ chokidar  │  │ onnxruntime  │  │ Express + WebSocket    │ │
│  │ FSEvents  │  │ MiniLM-L6-v2 │  │ localhost:3333         │ │
│  └─────┬────┘  └──────┬───────┘  └────────────────────────┘ │
│        │               │                                      │
│  ┌─────▼───────────────▼──────────────────────────────────┐  │
│  │  Indexer (indexer.ts)                                    │  │
│  │  Batched pipeline: extract → embed → store → graph      │  │
│  └─────┬──────────────┬──────────────┬────────────────────┘  │
│        │              │              │                        │
│  ┌─────▼────┐  ┌──────▼─────┐  ┌───▼──────────────┐        │
│  │VectorStore│  │ MetadataDb │  │ KnowledgeGraph   │        │
│  │ ruvector  │  │  sql.js    │  │ @ruvector/       │        │
│  │ HNSW     │  │  SQLite    │  │ graph-node       │        │
│  └──────────┘  └────────────┘  └──────────────────┘        │
│                                                               │
│  ┌────────────────────────────────────────────────────────┐  │
│  │  SearchEngine (search.ts)                               │  │
│  │  Vector similarity + graph traversal + recency boost    │  │
│  └────────────────────────────────────────────────────────┘  │
│                                                               │
│  ┌────────────────────────────────────────────────────────┐  │
│  │  MCP Server (@modelcontextprotocol/sdk)                 │  │
│  │  Tools: search, related_files, index_status, file_info  │  │
│  └────────────────────────────────────────────────────────┘  │
└───────────────────────────────────────────────────────────────┘
        │
┌───────▼─────────────────────────────────────────────────────┐
│  Storage: ~/Library/Application Support/ruvector-os/         │
│  ├── config.json          Configuration                      │
│  ├── ruvector.db          SQLite metadata (sql.js)           │
│  ├── vectors/index.db     HNSW vector index (ruvector)       │
│  ├── graph/knowledge.db   Knowledge graph                    │
│  ├── models/              ONNX model + tokenizer             │
│  ├── daemon.pid           Process ID file                    │
│  └── daemon.log           Log output                         │
└──────────────────────────────────────────────────────────────┘

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Supported File Types

RuVector OS indexes text-based files with these extensions:

Category	Extensions
Documents	.txt, .md, .markdown, .tex, .bib
JavaScript/TypeScript	.ts, .tsx, .js, .jsx, .mjs, .cjs
Python	.py
Rust	.rs
Go	.go
Java/JVM	.java, .kt, .scala
C/C++	.c, .cpp, .h, .hpp
Ruby	.rb
PHP	.php
Swift	.swift
Web	.html, .css, .scss, .less
Data	.json, .yaml, .yml, .toml, .xml, .csv, .tsv
Shell	.sh, .bash, .zsh, .fish
Database	.sql, .graphql, .prisma, .proto
Config	.env, .gitignore, .dockerignore
Science	.r, .R, .jl

Also indexes extensionless config files: Makefile, Dockerfile, Rakefile, Gemfile, LICENSE, README, CHANGELOG.

Ignored directories: node_modules, .git, dist, build, target, __pycache__, .cache, venv, and more.

Max file size: 1MB (configurable).

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Configuration

Configuration is stored at ~/Library/Application Support/ruvector-os/config.json.

Setting	Default	Description
watchDirs	[]	Directories to watch
dashboardPort	3333	Web dashboard port
dimensions	384	Embedding dimensions
maxElements	100000	Max vectors in HNSW index
indexExtensions	(see above)	File extensions to index
ignoreDirs	(see above)	Directories to skip
maxFileSize	1048576	Max file size in bytes (1MB)
modelIdleTimeout	300000	Unload ONNX model after 5min idle
clipboardEnabled	false	Clipboard monitoring (Tier 3)

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Resource Usage

Measured on Apple Silicon (M-series) with 17 source files:

Metric	Value
RAM (steady state)	~250MB
Initial index (17 files)	~12 seconds
ONNX model size	21.9MB
Search latency	<1ms (HNSW) + ~10ms (ONNX embed)
CPU (idle watching)	~0%
CPU (during indexing)	~20% single core

Projected Scale

Files	Vector Index	RAM	Initial Index Time
10K	~15MB	~155MB	~2 min
50K	~75MB	~250MB	~8 min
100K	~150MB	~350MB	~17 min
200K	~300MB	~610MB	~33 min

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Data Safety

• Read-only — RuVector OS never writes, moves, renames, or deletes your files
• No network — Zero outbound connections (verifiable via Little Snitch / firewall)
• Opt-in scope — Only watches directories you explicitly add
• Local storage — All data in ~/Library/Application Support/ruvector-os/
• Easy uninstall — ruvector-memory uninstall --delete-data removes everything

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Development

# Install dependencies
npm install

# Build
npm run build

# Watch mode (rebuild on changes)
npm run dev

# Type check
npm run typecheck

Project Structure

src/
├── cli/cli.ts              # CLI entry point (commander)
├── daemon/
│   ├── daemon.ts           # Main daemon orchestrator
│   ├── config.ts           # Config load/save
│   └── launchagent.ts      # macOS LaunchAgent management
├── watcher/
│   └── fs-watcher.ts       # File system watcher (chokidar/FSEvents)
├── embeddings/
│   └── onnx-embedder.ts    # ONNX embedding pipeline
├── engine/
│   ├── vector-store.ts     # HNSW vector index (ruvector)
│   ├── metadata-db.ts      # SQLite metadata (sql.js)
│   ├── knowledge-graph.ts  # Graph database (@ruvector/graph-node)
│   ├── indexer.ts           # Indexing pipeline
│   └── search.ts           # Unified search engine
├── mcp/
│   └── server.ts           # MCP server for Claude
├── dashboard/
│   └── server.ts           # Web dashboard (Express + WebSocket)
├── shared/
│   ├── types.ts            # TypeScript interfaces
│   ├── paths.ts            # File system paths
│   └── utils.ts            # Utilities
└── index.ts                # Library exports

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Roadmap

Tier	Timeline	Features
Tier 1 (current)	Week 1-2	CLI, semantic search, knowledge graph, MCP server, dashboard
Tier 2	Week 3-4	GNN learning from search patterns, cross-file connection discovery, importance weighting
Tier 3	Week 5-6	Menu bar UI (Tauri), global hotkey, clipboard history, duplicate detection
Tier 4	Week 7+	Temporal queries, Cypher graph queries, Phago integration, auto-tagging

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Dependencies

Package	Purpose
ruvector	HNSW vector database (native Rust via NAPI)
@ruvector/graph-node	Knowledge graph with Cypher queries
@ruvector/gnn	Graph neural network layer
onnxruntime-node	ONNX model inference
chokidar	File system watching (FSEvents on macOS)
@modelcontextprotocol/sdk	MCP server for AI integration
commander	CLI framework
express	Dashboard HTTP server
ws	WebSocket for real-time updates
sql.js	SQLite via WebAssembly (zero native deps)
chalk / ora	Terminal styling

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License

MIT