> ## Documentation Index
> Fetch the complete documentation index at: https://flux.emreb.dev/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Introduction

> What Flux is, and what it is for.

Flux is a macOS log explorer for Graylog, Elasticsearch (through Kibana) and the log files on your Mac. It looks and works like a JetBrains IDE: your streams and endpoints are a tree on the left, each one opens its own console and result grid, and everything you open stays open while you look elsewhere.

A search box treats logs as one flat river of text. Flux keeps the structure that matters — which connection, which stream, which endpoint — and builds on it:

<CardGroup cols={2}>
  <Card title="Explain a spike" icon="chart-line" href="/docs/explain">
    Drag across a spike with ⌥ held and Flux tells you which version, service or host it comes from.
  </Card>

  <Card title="Trace an ID" icon="fingerprint" href="/docs/trace">
    Paste a request, trace or user id and read its story across every stream, in order.
  </Card>

  <Card title="Watch a query" icon="bell" href="/docs/watch">
    Be told when new matches arrive, or when a cron or a webhook goes quiet.
  </Card>

  <Card title="Hand it to Claude Code" icon="terminal" href="/docs/claude-code">
    Flux is an MCP server: an agent in your terminal reads your logs with Flux's own tools.
  </Card>
</CardGroup>

Flux runs on your Mac and talks to your sources directly. Your logs, connections and tokens never leave it; only your preferences sync with your account. See [Where your data lives](/docs/data).


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