> ## Documentation Index
> Fetch the complete documentation index at: https://mintlify.com/abhigyanpatwari/GitNexus/llms.txt
> Use this file to discover all available pages before exploring further.

# Web UI Overview

> A fully client-side graph explorer and AI chat interface that runs entirely in your browser

The GitNexus Web UI is a browser-based graph explorer and AI chat interface that requires no installation. Everything runs in your browser using WebAssembly — your code never leaves the client.

## Architecture

The Web UI uses the same indexing pipeline as the CLI but runs entirely in WebAssembly:

* **Tree-sitter WASM** for code parsing
* **KuzuDB WASM** for in-memory graph database
* **transformers.js** for in-browser embeddings (WebGPU/WASM)
* **Sigma.js + Graphology** for WebGL graph rendering
* **LangChain ReAct agent** for AI chat

No server-side processing — all computation happens in your browser.

<Info>
  **Try it now:** [gitnexus.vercel.app](https://gitnexus.vercel.app)
</Info>

## CLI vs Web UI Comparison

Choose the right mode for your use case:

|             | **CLI + MCP**                                                  | **Web UI**                                                            |
| ----------- | -------------------------------------------------------------- | --------------------------------------------------------------------- |
| **What**    | Index repos locally, connect AI agents via MCP                 | Visual graph explorer + AI chat in browser                            |
| **For**     | Daily development with Cursor, Claude Code, Windsurf, OpenCode | Quick exploration, demos, one-off analysis                            |
| **Scale**   | Full repos, any size                                           | Limited by browser memory (\~5k files), or unlimited via backend mode |
| **Install** | `npm install -g gitnexus`                                      | No install — [gitnexus.vercel.app](https://gitnexus.vercel.app)       |
| **Storage** | KuzuDB native (fast, persistent)                               | KuzuDB WASM (in-memory, per session)                                  |
| **Parsing** | Tree-sitter native bindings                                    | Tree-sitter WASM                                                      |
| **Privacy** | Everything local, no network                                   | Everything in-browser, no server                                      |

## Memory Limitations

The Web UI runs entirely in browser memory with the following constraints:

<Warning>
  **Browser memory limit:** The WASM environment is limited by available browser memory. For most browsers, this translates to approximately **5,000 files** or \~50MB of source code.
</Warning>

For larger repositories:

* Use the [CLI + MCP](/cli/overview) for full-scale indexing
* Use [local backend mode](/web/local-backend) to connect the web UI to your CLI-indexed repos

## Privacy & Security

<Check>
  **100% client-side:** All code processing happens in your browser. No uploads, no server-side processing.
</Check>

* **No network calls** during indexing
* **No code sent to servers** — files stay in browser memory
* **API keys stored in localStorage** — never transmitted except to your chosen LLM provider
* **Open source** — audit the code yourself at [github.com/abhigyanpatwari/gitnexus](https://github.com/abhigyanpatwari/gitnexus)

The only network calls are:

* Optional LLM API requests when using AI chat (to your configured provider)
* Optional local backend connections when using bridge mode

## Features

### Graph Visualization

* **WebGL-accelerated rendering** with Sigma.js
* **Interactive exploration** — click nodes to see details, zoom and pan
* **Community detection** — functional areas highlighted with colors
* **Process flows** — trace execution paths through the codebase

### AI Chat

* **LangChain ReAct agent** with graph-aware tools
* **Cypher query execution** — direct graph queries
* **Semantic search** — hybrid BM25 + vector search
* **Code navigation** — browse files and symbols

### Search

* **Hybrid search** — BM25 + semantic (when embeddings are ready)
* **FTS fallback** — works immediately without embeddings
* **Process-grouped results** — findings organized by execution flows

## When to Use Web UI

**Best for:**

* Quick repository exploration
* Sharing codebase insights with non-developers
* Demos and presentations
* One-off analysis of small codebases
* When you can't install CLI tools

**Not ideal for:**

* Large repositories (>5k files)
* Daily development workflow
* Production AI agent integration
* Persistent indexing across sessions

For production use cases, see the [CLI documentation](/cli/overview).