ScriptsApr 1, 2026·1 min read

Plandex — Terminal AI for Large Codebases

Plandex is a terminal-based AI dev tool for large, multi-file coding tasks. 15.2K+ stars. 2M token context, sandbox diffs, auto-debug. MIT.

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Quick Use

Use it first, then decide how deep to go

This block should tell both the user and the agent what to copy, install, and apply first.

# Install
curl -sL https://plandex.ai/install.sh | bash

# Start a project
cd my-project
plandex new

# Give it a task
plandex tell "Add user authentication with JWT tokens"

# Review changes in sandbox
plandex diff
plandex apply

Intro

Plandex is an open-source terminal-based AI development tool for handling large coding tasks across multiple files. With 15,200+ GitHub stars and MIT license, it features a 2M token effective context window, configurable autonomy (full auto to step-by-step), multi-model support (Anthropic, OpenAI, Google, open-source), cumulative diff sandbox, automated debugging, project-aware chat, and git integration.

Best for: Developers tackling complex, multi-file coding tasks from the terminal Works with: Claude Code, OpenAI Codex, Cursor, Gemini CLI, Windsurf


Key Features

  • 2M token effective context window
  • Sandbox diffs — review before applying
  • Full auto or step-by-step control
  • Multi-model (Anthropic, OpenAI, Google)
  • Automated debugging
  • Git integration with auto commits
  • REPL with auto-complete

FAQ

Q: What is Plandex? A: Terminal AI dev tool with 15.2K+ stars. 2M token context, sandbox diffs, multi-file tasks. MIT.

Q: How do I install Plandex? A: curl -sL https://plandex.ai/install.sh | bash.


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Source & Thanks

plandex-ai/plandex — 15,200+ GitHub stars

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