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UltraCoder

The AI editor that ships product.

The AI-native code editor built for autonomous development — just install and build. UltraCoder plans the architecture, writes the code, runs the build, and keeps iterating until tests go green, without you touching the terminal. Four modes cover the whole workflow, backed by codebase-aware suggestions, visual Codemaps, and 50+ models a single click apart.

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UltraCoder product demo
Capabilities

What UltraCoder does

⊞
Architect & Code Modes
Architect Mode maps components, data flow, and edge cases as a spec — pure thinking, zero file edits. Code Mode then scaffolds every file, runs the build, and iterates autonomously until tests pass.
◎
Ask & Debug Modes
Ask answers repo questions with citations to the exact file and line. Debug traces a stack trace or failing test to its root cause, proposes the diff, and reruns tests to confirm the fix.
▲
Ghost Suggestions & Codemaps
Inline completions that understand your whole codebase, not just the open file. Codemaps render visual dependency graphs and call paths so you can see how everything connects at a glance.
◈
Terminal AI, MCP & Git
Turn plain English into commands and explain error output. Connect any Model Context Protocol server for custom tools and data, and auto-generate commit messages and review diffs without leaving the editor.
Process

How it works

01
Plan
In Architect Mode, describe the feature. UltraCoder maps the architecture, data flow, and edge cases into a spec — with zero side effects.
02
Build
Code Mode scaffolds every file, wires the feature together, and runs the build for you — no terminal juggling.
03
Verify
It iterates autonomously until tests go green, tracing and fixing failures with Debug Mode along the way.
04
Ship
Review the diff, generate a commit message, and ship — with 50+ models a single click apart for whatever the task needs.
4
modes — Architect, Code, Ask, Debug
50+
AI models, one-click switching
$0
free to download
macOS
native desktop editor
Applications

Built for real work

Autonomous Features
Ship a feature end to end
Go from a plain-English request to scaffolded files, a passing build, and green tests — with the editor doing the terminal work for you.
Repo Comprehension
Understand any codebase fast
Ask how auth works or where a bug was introduced and get answers cited to the exact file and line, plus Codemaps to see the structure.
Debugging
Stack trace in, root cause out
Paste a TypeError or a failing test and let UltraCoder trace the cause, propose a diff, and rerun tests to confirm the fix.
Get started

Install the editor that ships code with you

Air-gapped. Private. Yours. Start with a working proof-of-concept at no cost.