Codebase visualization & Codex review for Mac

Understand the code.Verify the change.

Explore your codebase as a city. Trace dependencies and review the evidence behind AI changes.

Download for Mac → Watch the 34-second demo

Apple silicon · Public preview · GitHub release

Code Universe showing a Swift app as connected files, symbols, and dependency streets.
Your code, in context. Explore the map, then follow it back to source.
Product demo · 34 seconds

From repository to review.

See how the map connects your project’s structure to source and review evidence.

Code Universe public preview · 34 secondsOpen video separately ↗

The workflow: Open a local repository, locate a feature in the map, then inspect its source and review evidence. Explore the step-by-step walkthrough ↓

From architecture to evidence

Your project becomes a city.

Find where a feature lives, understand what it touches, and inspect the evidence before changing it.

Enlarged architecture map showing WebTViOS files and symbols in their project context.
01 / Locate

Find the feature in context.

The EPG spans views, a fetcher, a parser, and a cache. Start with the map to see the pieces together.

Open full-size screenshot ↗
Enlarged connection paths between files and symbols in the WebTViOS architecture map.
02 / Trace

Follow the connections.

Trace the paths beyond a single file to guide your investigation. Verify important relationships in source.

Open full-size screenshot ↗
Enlarged Codex review panel showing the completed investigation, source-supported conclusion, and token accounting.
03 / Review

Check the evidence.

Read the conclusion and follow the source inspections before accepting a proposed change.

Open full-size screenshot ↗

WebTViOS · Actual inspect-only investigation · Enlarged details from the original screenshot

See what this investigation found
Founder-led case study · WebTViOS

Understand an app changed by AI.

A shipping Swift app. An EPG stall after downloading new data. Code Universe reconstructed the feature, traced the main-thread processing chain, and connected it to an earlier caching change—with 27 retained evidence events.

Trace the investigation before changing the app again.30 seconds · Silent replay · 2.1 MB

The result is a source-supported diagnosis, not a measured speed improvement. No WebTViOS files were changed. This founder-owned study also records false-positive graph relationships: important connections still need source verification.

Read the WebTViOS case study
Architecture + Codex review workspace

One map.
One evidence trail.

Map Swift, JavaScript, TypeScript, HTML, CSS, Python, PHP, Java, C#, and Objective-C projects, then connect searches, source inspections, edits, diffs, tests, and conclusions to the same architecture.

New multi-language architecture city Code Universe 3D architecture city showing nested project structures, colorful source objects, and relationship streets Code Universe displaying a project city with the light interface and tabbed review inspector
01Adapters

One graph, many languages

Keep Swift's existing analysis while mapping JavaScript, TypeScript, HTML, CSS, Python, PHP, Java, C#, and Objective-C into the same city.

02Spatial

Nested structures stay readable

Exact ranges, stable identities, DOM nesting, source metrics, and image assets make every selected object traceable back to its file.

03Parser

Compare the syntax layer

Use the optional Tree-sitter WASM pass for supported languages, inspect grammar coverage, and see parser-only nodes, edges, and diagnostics.

04Review

Evidence stays connected

Replay searches, inspections, edits, builds, tests, diffs, token use, and source jumps without losing the architecture context.

Exact source ranges Nested HTML and CSS structure Image assets as selected objects Parser comparison Local project analysis
Dark mode gallery · Five views

Read the same system from every angle.

Move from the architectural landscape to a review trace, selected object, parser comparison, project statistics, and exact source—without losing the project context.

Dark Code Universe city overview with Swift files, services, views, and dependency streets
01Architecture at a glanceHide both outer columns and use the full canvas to read the project as a connected software city.
Dark Code Universe interface showing a Codex review trace, token usage, and mapped project objects
02Review traceFollow what Codex searched, inspected, changed, and verified, with model settings and complete token accounting.
Dark Code Universe interface highlighting Services.swift with its object metrics and source actions
03Object inspectorSelect one file or symbol to isolate its metrics, dimensions, relationships, and source location.
Dark Code Universe analysis tab showing project node, edge, view, and service counts
04Project analysisKeep structural statistics and parser comparison separate from object details and review evidence.
Dark Code Universe source drawer showing Services.swift with an Open in Xcode action
05Readable source drawerOpen the complete Swift file in a wide, focused surface, then jump to the same location in Xcode.
From repository to decision

Understand first. Change with evidence.

Scan locally

Open a repository and map its languages, files, symbols, assets, metrics, and relationships without uploading source code.

Understand the architecture

Find entry points, dense features, outsized types, structural gaps, and dependency paths without hunting through tabs.

Investigate the change

Ask Codex to inspect or fix a behavior while its searches, source reads, edits, and verification remain connected to the map.

Review the evidence

Read the conclusion, inspect the diff and tests, and decide whether the proposed work is safe to continue.

Public preview · Feedback wanted

Put one real change through the map.

Run it locally

Install the signed Apple-silicon Mac preview or clone the repository, then load a codebase you already need to understand. Project analysis stays on the machine.

Use a real task

Trace an unfamiliar feature, investigate a proposed change, or replay an AI-agent review. A real decision is more useful than a polished demo.

Report the friction

Open a GitHub issue with the task you attempted, the useful moment, and the point where the map stopped helping. That feedback will determine the next product work.

Simple licence boundary

The source is available under BSL 1.1. Evaluation and qualifying personal use are available now; company and client production use requires a separate licence. There is no automated checkout during validation.

Public preview · No checkout required

Try it. Tell us where it breaks.

Download for Mac → Share feedback on GitHub