Zero

A terminal coding agent you own.

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Zero is an AI coding agent for your local terminal. It can inspect a repository, edit files, run commands, use browser/terminal helpers, and keep durable local sessions while you choose the model and the permission level.

zero
zero exec "fix the failing test in ./pkg"
zero exec --output-format stream-json < turns.jsonl

Partners

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Why Zero

• Use the model you want. Bring OpenAI, Anthropic, Gemini, Groq, OpenRouter, DeepSeek, Mistral, xAI, Qwen, Kimi, GitHub Models, Ollama, LM Studio, Atomic Chat, or any OpenAI-/Anthropic-compatible endpoint.
• Stay in control. File writes, shell commands, network access, and out-of-workspace writes go through Zero's permission and sandbox policy.
• Works in the terminal. The TUI has model/provider pickers, image input, slash commands, live plan/tool rendering, scrollback, themes, and resume/fork support.
• Works without the TUI. zero exec is scriptable, supports text/JSON/ stream-JSON I/O, isolated worktrees, spec-first runs, and meaningful exit codes for CI.
• Keeps context local. Sessions are stored on disk, searchable, resumable, and never uploaded as telemetry by Zero.
• Extensible when you need it. Use MCP servers, skills, plugins, hooks, and specialist subagents from the same CLI.

Install

npm

npm install -g @twigpine/zero
zero

The npm package is a small wrapper whose platform build (Linux and macOS on x64/arm64, Windows on x64 — including the browser/terminal control helpers) installs as an optional dependency straight from the npm registry — no install scripts, no downloads outside npm. Bun, pnpm, and yarn work the same way with no trust or approval steps. Installs that skip optional dependencies (--omit=optional) still work: the wrapper fetches the binary from the matching GitHub Release whenever it is missing. Windows on ARM runs the x64 build under emulation. See docs/NPM_PACKAGING.md for how the package is put together.

Installed Zero as @gitlawb/zero? The package moved to @twigpine/zero in 0.10.0 and the old name gets no further releases. Both packages provide the zero command, so quit any running zero, then remove the old package first:

npm uninstall -g @gitlawb/zero
npm install -g @twigpine/zero