# Compressius Maximus - [Compressius Maximus (CMX): What It Is and How It Works](https://docs.compressi.us/introduction.md): Learn what CMX is, the token-cost problem it solves, how model-directed compression works, and which coding agents and providers it supports. - [CMX Quick Start: Install, Connect, and Save Tokens](https://docs.compressi.us/quickstart.md): Install CMX, sign in with your free account, connect your AI coding agent, and verify that requests are flowing — all in under a minute. - [Install CMX on Linux, macOS, or Windows — All Methods](https://docs.compressi.us/installation.md): All ways to install CMX: npm, pnpm, curl installer, and standalone binaries for Linux, macOS, and Windows on x64 and ARM64. No subscription required. - [Uninstall and Purge CMX on Linux, macOS, and Windows](https://docs.compressi.us/uninstall.md): Complete guide to removing CMX: restore coding-agent routing, stop the gateway, wipe all data, and verify nothing is left behind on any platform. - [Configure the CMX Gateway, Agents, and Preferences](https://docs.compressi.us/configuration.md): Manage CMX connections, gateway settings, and preferences through the terminal UI CONFIG menu or the cmx.config.toml file. Covers all config keys. - [Connect OpenAI Codex to CMX for Context Compression](https://docs.compressi.us/providers/codex.md): Step-by-step guide to routing OpenAI Codex through the CMX local gateway so your coding sessions benefit from automatic context compression. - [Connect OpenCode to CMX for Automatic Context Compression](https://docs.compressi.us/providers/opencode.md): Step-by-step guide to routing OpenCode through the CMX local gateway so your AI coding sessions benefit from automatic context compression. - [Connect Any OpenAI or Anthropic Agent to CMX Gateway](https://docs.compressi.us/providers/custom-agents.md): Use CMX with any AI coding tool that accepts a custom API base URL and speaks the OpenAI or Anthropic API protocol. Includes base URL reference. - [How CMX Compresses Your AI Agent Context Step by Step](https://docs.compressi.us/how-compression-works.md): How CMX's model-directed pipeline works: when compression triggers, what stays protected, and how policy checks ensure net-positive compressions only. - [Understanding CMX Token Savings and Dashboard Metrics](https://docs.compressi.us/understanding-savings.md): How to read CMX token metrics: what 'tokens handled', 'estimated net saved', and dashboard stats mean, and what affects your actual API bill. - [How to Update CMX to the Latest Stable or Nightly Build](https://docs.compressi.us/updates.md): Check for and install CMX updates using the built-in upgrade command, your package manager, or by switching to the nightly channel for pre-release builds. - [CMX CLI Reference: All Commands, Flags, and Examples](https://docs.compressi.us/cli-reference.md): Complete reference for all CMX CLI commands: setup, start/stop, stats, harness, sessions, upgrade, and more. Includes flags and example output. - [Troubleshoot CMX Connection and Compression Issues](https://docs.compressi.us/troubleshooting.md): Fix common CMX problems: gateway won't start, agent not routing through CMX, sign-in failures, missing compression, and provider sign-in errors. - [CMX Frequently Asked Questions: Pricing, Privacy, and Agents](https://docs.compressi.us/faq.md): Answers to the most common questions about CMX: how it works, privacy, data handling, supported agents, and whether it will always reduce your bill. - [Uninstall and Purge CMX on Linux, macOS, and Windows](https://docs.compressi.us/uninstall.md): Complete guide to removing CMX: restore coding-agent routing, stop the gateway, wipe all data, and verify nothing is left behind on any platform. - [CMX Security Model: Local Gateway and Privacy Practices](https://docs.compressi.us/security.md): How CMX keeps your code and credentials safe: local-only gateway, in-memory API keys, aggregate-only telemetry, and signed release artifacts. - [CMX Changelog: Release Notes and Version History](https://docs.compressi.us/changelog.md): What's new in each CMX release. Stable releases, bug fixes, and feature additions — with links to the full GitHub releases page for complete history.