nimbalyst

Nimbalyst is the agent-native visual workspace for builders. Maximize speed, bandwidth, context with Codex & Claude Code visually in files, sessions, & tasks

[nimbalyst @nimbalyst]

Today we're open sourcing Nimbalyst, the visual workspace for building with Codex, Claude Code, and more.

Visual editors for markdown, mockups, diagrams, diffs, and code. Codex, Claude Code, Opencode in parallel with kanban. Extensions. iOS for remote.

[nimbalyst @nimbalyst]

As we built our software with coding agents, we're building two products at the same time. The product we are shipping to our users and the harness around the model and coding agents that enable our agents to work well.

Claude Code is a harness. Codex is a harness. We own the harness layer above the coding agents.

We arrived at eight parts of that layer the hard way. Each one came from a failure mode we kept hitting until we built the thing that fixed it.

I'm going to go through the process of shipping one small feature in the next four minutes, and we'll see all eight parts light up. The feature: hover a tag chip on my kanban, and the tooltip shows how many items use that tag. Watch what the harness does for us along the way.

[nimbalyst @nimbalyst]

@appodeepa Please detail the bugs and we will address. Thanks!

[Mike @appodeepa]

Been trying out Claude Code UIs - @nimbalyst has just the right amount of bells and whistles (if a little buggy)

An option to list Projects as tabs at the top would bump this to A-tier

[nimbalyst @nimbalyst]

@phillix1 @drnasin working on it.

[Dante @drnasin]

Reported a @nimbalyst bug. It was addressed and fixed in a few hours. Still catches me off guard when that happens.

[Karl Wirth @wirthkarl]

https://t.co/mW64ABwj7I

[nimbalyst @nimbalyst]

Every session shows which files it read, which it wrote, and lets you commit once you are happy with the result.

[Bubbles @ademczuk]

Had a blast speaking yesterday at #ViennaUP on “Things the agents got hilariously wrong” 😂 Great crowd and energy! Full talk here if you’re curious: https://t.co/20WAEi8Kst Thanks to everyone who came by! @viennaup @BybitEU @nimbalyst

[nimbalyst @nimbalyst]

Every change your agent makes to a markdown file shows up red/green inline, and you approve or revert each one before it lands.

[Karl Wirth @wirthkarl]

@bcherny Can you clarify what counts as an IDE in the Agent SDK policy update from May 17, 2026?

If @nimbalyst is an AI IDE for interactive (not programmatic) Claude Code, does it use the subscription or the SDK credit?

Do IDEs like Zed and Conductor qualify too, or are only IDEs with Anthropic-built plugins covered?

[nimbalyst @nimbalyst]

Your agent sessions on a kanban board, moving from backlog through planning, implementing, and complete

[nimbalyst @nimbalyst]

@greghinkle and @shanselman discuss best practices for plan files with coding agents.

[nimbalyst @nimbalyst]

@greghinkle and @shanselman discuss best practices for writing plans for coding agents.

[nimbalyst @nimbalyst]

@wesley_bytegrad with a great overview of @nimbalyst

https://t.co/Xue44Qqlxo

[nimbalyst @nimbalyst]

Markdown, mockups, diagrams, data models all in one workspace (and/or one mockup) your agents can edit.

[Karl Wirth @wirthkarl]

@karpathy This is the thesis behind @nimbalyst. High bandwidth agent-native visual editors for markdown, mockups, diagrams, datamodels, and more. Embed the other formats into markdown. Humans iterate with agents, see the agents changes in red/green diffs, approve, review.

[nimbalyst @nimbalyst]

Looking forward to it!

[Jellyfish @_jellyfish_co]

In prep for BosTech Week, join our "From Zero to Extension: Build Your Own Agentic Workspace" hackathon co-hosted with @Nimbalyst at @PillarVC!

In 90 minutes, you'll plan, build, and deploy your own extension for an agentic workspace powered by Claude Code and Codex.

Not a demo. Not a tutorial. Something you could actually use at work. Details below:

📍 PillarVC, Boston
🗓️ Thursday, May 21
🍕 Pizza and drinks provided

Whether you're a developer or a founder, if you're thinking about how AI is reshaping engineering, this one's worth your Thursday night: https://t.co/4dSRA4rajw

#BostonTech #BosTechWeek #Hackathon #AgenticAI

[nimbalyst @nimbalyst]

@greghinkle and @shanselman discuss how to manage 3 to 5 to 10 parallel coding agents

[nimbalyst @nimbalyst]

high praise from one of the leading voices in AI PM! Follow @PawelHuryn

[Paweł Huryn @PawelHuryn]

If the VS Code interface has intimidated you, try this visual workspace.

I've been testing this for a few days. Loved the markdown files that actually render without plugins, and navigating between documents.

Sessions as cards on a Kanban board. Backlog, planning, implementing, done.

Plus a native iOS app (their custom remote control). Works with your Claude Pro/Max/Team subscription, not just API keys, and Codex.

A wrapper. Harness works as before.

[Dänn Barød @dannbarod]

@ParthJadhav8 @nimbalyst already did a while ago