Termux-Dev (devx)

Termux-Dev (invoked as devx) is an open-source CLI coding agent published under the MIT License by ApvCode. It runs as a globally installed npm package (termux-dev) and is designed to work natively on Android via Termux as well as on Windows, macOS, and Linux. The latest release is v1.3.0, tagged "Automation Platform, Custom Commands & Mobile Data Saver."

What It Is

devx is a terminal-based AI coding assistant that combines an interactive architectural planner with an autonomous code-execution agent. It connects to a wide range of AI providers and lets developers write, review, fix, and commit code entirely from the command line — including on mobile Android devices running Termux. The project is written in TypeScript and requires Node.js v20 or higher.

Dual-Brain Architecture: PLAN and AGENT Modes

The core design centers on two switchable modes:

• PLAN mode — acts as a safe architect. It runs an interactive requirements questionnaire and refuses to make unsanctioned file edits, making it suitable for scoping work before writing any code.
• AGENT mode — operates autonomously: it edits files, runs terminal commands, and auto-installs dependencies. A one-click plan approval flow ([🚀 Go / ✏️ Other]) lets users review an architectural plan and immediately hand off execution to the agent.

Switching between modes is instant via the Tab key or /plan and /agent slash commands, without losing draft text.

AI Provider Support and Model Flexibility

devx supports a broad set of AI providers out of the box:

• Cloud: OpenRouter, Google Gemini, DeepSeek, Groq, Mistral, OpenAI, Anthropic, Alibaba
• Local inference: Ollama, LM Studio

The /provider and /model commands let users switch providers and models live within a session, with fuzzy search for model selection.

Key Capabilities

• Multimodal vision — paste screenshots from clipboard via /image or Ctrl+P, with smart duplicate badges.
• Instant snapshot rollback — every AI-driven change is recorded; /undo reverts the last turn cleanly.
• Self-healing diagnostics — built-in syntax checking for TypeScript (tsc), JavaScript (node --check), Python (py_compile), and Rust (cargo check); the agent finds and fixes errors automatically before finishing a turn.
• Project Memory Bank — persistent context stored in .devx/memory.md across sessions via /memory add <rule>.
• Built-in live web server — /serve starts a local HTTP server on port 3000 for previewing web apps and HTML5 games; on Android it opens automatically via termux-open-url.
• Session history — /resume and /session let users browse, restore, and manage saved sessions with unique short IDs.
• AI-generated git commits — /commit generates a semantic commit message and commits in one step.
• Headless one-shot mode — supports scripting and CI/CD via devx -p "prompt" [--yolo].

Update: v1.3.0 — Automation Platform, Custom Commands & Mobile Data Saver

The latest release (v1.3.0, published 2026-08-27) is described as an "Automation Platform, Custom Commands & Mobile Data Saver," signaling a focus on scripting workflows, user-defined commands, and bandwidth efficiency for mobile Termux users. The repository was created and reached this release within a few days, indicating rapid early development. The project is actively maintained with CI workflows and zero open issues at the time of indexing.

Setup Path

Installation is a single npm command:

npm install -g termux-dev

On Android Termux, users first run pkg update && pkg install -y nodejs-lts, then install via npm. A build-from-source path is also available for contributors. Full uninstallation removes the package and cleans up ~/.devx and ~/.devxrc.json.