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Still juggling windows, ports, and browser sessions just to run Claude, Codex, Cursor, and Gemini in parallel?

Polystro gives each workstream its own routing, browser state, terminals, and worktrees so you spend less time fixing collisions and less attention just keeping the setup working.

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Full product access for 7 days. Credit card required. Cancel before renewal.

Use the tools and models you already pay for

Claude CodeCodexGeminiCursor CLIOpenCodeKimi CodeMuse CodeGrok BuildAntigravity CLI

See multiple sessions at once

Keep active agent work visible instead of buried behind tabs and thread lists

Go from idea to build in one flow

Turn brainstorming into specs, plans, review, tasks, and execution without bouncing between tools

Keep prompting when you leave your desk

Reconnect from your phone or laptop and keep the same work moving

What stops breaking

Stay logged into every role

Keep admin, customer, and personal states open at once.

Stop hunting for the right view

When you switch workstreams, the browser, terminal, and agent context switch with you.

Keep agent changes from colliding

Parallel agents stop stepping on each other in the same repo.

Live product tour

Focused execution, multi-workstream visibility, browser identities, and ideation all sit inside the same desktop workflow.

01Single workstream view

One workstream, fully loaded.

Terminal, service routing, browser state, and agent context stay in one surface so a deep session stays intact.

02Split overview

Keep parallel work visible.

Move between projects by shifting your eyes, not by resurrecting windows and login state.

03Ideation Center

Turn a rough idea into build-ready work.

Start with brainstorming, turn it into a spec, generate a plan, review it adversarially, break it into tasks, and move into execution.

04Isolated identities

Hold multiple account views at once.

Admin, customer, and personal sessions can live side by side inside the same workstream without credential bleed.

Live product tour
01
Single workstream view

One workstream, fully loaded.

Terminal, service routing, browser state, and agent context stay in one surface so a deep session stays intact.

02
Split overview

Keep parallel work visible.

Move between projects by shifting your eyes, not by resurrecting windows and login state.

03
Ideation Center

Turn a rough idea into build-ready work.

Start with brainstorming, turn it into a spec, generate a plan, review it adversarially, break it into tasks, and move into execution.

04
Isolated identities

Hold multiple account views at once.

Admin, customer, and personal sessions can live side by side inside the same workstream without credential bleed.

How it holds together

This is how parallel work stays manageable.

01

Open one workstream without inheriting old mess

Routing, browser identity, terminals, and runtime setup stay attached to that workstream by default.

Current workstream

active

website.localhost

Stable URL attached
Browser states isolated
Terminal still live

02

Run multiple coding agents without crossing branches

Each agent gets its own worktree and operating context, whether they are working in one repo or several.

03

Review and merge before context goes cold

Inspect diffs, resolve overlap, and keep momentum without breaking out into five other tools.

Port routing
Browser identities
Worktree isolation
Prompt on the go
Claude
Codex
Cursor
Gemini
OpenCode
Kimi Code
Muse Code
Grok Build
Antigravity CLI
Feature set

The parts that make parallel agent work usable.

Polystro is not trying to add more agent theater. It keeps the surrounding environment stable enough that you can actually run multiple agents without the usual cleanup.

01Port routing

Port collisions stop blocking the session.

When a port is already in use, Polystro rewrites the active route without breaking the workstream hostname your tools and browser already know.

  • Stable local hostnames per workstream
  • Automatic port remap when the preferred port is busy

Local routing

automatic remap active

Port 3000 is occupied. Polystro keeps the hostname stable and rewrites to the next open port without manual cleanup.

requested

my-startup.localhost:3000

rewired

active

my-startup.localhost:4100

requested

api.my-startup.localhost:3001

rewired

active

api.my-startup.localhost:4101

02Browser identity routing

Keep every account view open at the same time.

Hold admin, customer, partner, and personal views side by side instead of logging in and out until your browser state turns unreliable.

  • Multiple identities inside one workstream
  • Tab-level isolation when the flow needs it

Identity routing

3 account views isolated

Admin session

admin.acme.localhost

isolated

Production admin view stays signed in

Customer view

app.acme.localhost

isolated

Verify user flows without reauth

Partner account

partners.acme.localhost

isolated

Hold client access in parallel

03Parallel agent execution

Give every agent its own worktree and let them move.

Run auth, tests, docs, and cleanup in parallel without branch collisions or one agent overwriting another agent's changes.

  • One worktree per agent session
  • Works across one repo or several repos at once

Active agents

4 sessions live

Claude

agent session

72%

Auth flow and token refresh

Codex

agent session

45%

Regression test coverage

Cursor

agent session

61%

Frontend polish and UI cleanup

Gemini

agent session

89%

API docs and release notes

04Multi-workstream view

Keep several workstreams visible at once.

Move between products and branches by looking across the screen, not by reopening windows and reconstructing state.

  • Desktop-first view for parallel work
  • Context switching becomes visual instead of procedural

Workstream board

3 streams open

Website

Auth hardening

live

Desktop app

Device permissions

live

Docs

Release notes

live
05Merge review

Review the output while the context is still warm.

See branch diffs, resolve overlap, stage changes, and move toward merge in the same place the work happened.

  • Review branch output without context switching
  • Resolve overlap before it turns into a cleanup sprint

Merge center

3 branches ready

agent/add-auth

branch review

+142 -8

agent/write-tests

branch review

+89 -3

agent/update-docs

branch review

+21 -1

No conflicts detected

merge all
06Prompting on the go

Keep prompting when you leave your desk.

Check progress, send the next prompt, and keep a session moving from your phone or laptop without rebuilding the whole setup.

  • Follow agent progress away from the desk
  • Send the next prompt without reopening the whole setup

Remote continuity

context still attached

Studio desktop

Main session stays active

connected

Travel laptop

Reconnect on the move

ready

Phone

Check agent progress fast

ready
07Idea-to-Ship Workflow

Turn a rough idea into build-ready work.

Start with a brainstorming session, turn it into a spec, generate a plan, run an adversarial review, break it into tasks, and move into execution.

  • Spec, plan, review, tasks, and build in one flow
  • Less context switching between docs, planning, and execution

Ideation center

idea -> spec -> plan -> review -> tasks -> build

✓Idea
✓Spec
✓Plan
✓Review
5Tasks
6Build

Artifact preview

Build-ready task breakdown

Take a rough idea through brainstorming, spec creation, planning, adversarial review, and task generation.

Current stage: Tasks

  • Define acceptance criteria before implementation.
  • Split the plan into executable tasks with clear ownership.
  • Move directly into build once the review gate is satisfied.
Downloads

Desktop where the actual work happens.

Parallel agents only help if the browser, terminals, routing, and local services live on the same machine. Polystro stays desktop-first for that reason.

macOS

Apple Silicon

Coming soon

Windows

Windows 10 and newer

Coming soon

Linux

.deb and AppImage

Download

Stop carrying the mental map.
Let Polystro hold it for you.

The obvious tax is rebuilding your setup every time. The hidden tax is the constant effort of remembering what's running where while you work.

No seat tax

You pay for the workflow layer, not for headcount padding or artificial seat ladders.

Bring your own stack

Claude Code, Codex, Gemini, Cursor CLI, OpenCode, Kimi Code, Muse Code, Grok Build, and Antigravity CLI fit into the same workflow.

Provider billing stays separate

Keep your existing subscriptions and model billing where they already live.

Launch pricing

One plan. Everything you need to keep parallel work under control.

You are not buying a seat count. You are buying back attention and focus lost to constantly juggling tabs, terminals, sessions, and ports.

YearlyMonthly

Solo

$9/month billed yearly ($108/year)
Save 25%

For developers already running multiple coding agents across real workstreams instead of stitching that environment together by hand.

Unlimited workstreams and repos
Automatic worktree isolation per agent
Integrated browser identities per workstream
Stable local routing and hostname mapping
Merge review without leaving the app
macOS, Windows, and Linux support
Keep the launch rate while your subscription stays active.
Start 7-day trial

Trial details

7 days of full access

No feature gate during the trial. Card required. Evaluate the entire workflow.

One active device per license

Move the slot from your account when you need to switch machines.

Provider costs stay separate

Polystro integrates with third-party CLIs. Provider billing remains with the provider you choose.

Before you install it

Questions developers ask before putting new tooling on their machine.

What does the free trial include?

Everything in Polystro for 7 days. Start the trial with a card on file and cancel before renewal if it is not a fit.

How many devices does one license cover?

Each license includes 1 active device slot. Transfer it from your account when needed.

Do I need API keys to use AI agents?

Not always. Polystro works with the coding CLIs and provider accounts you already use. Exact auth depends on the provider and CLI.

How does parallel agent execution work?

Each agent gets an isolated git worktree and workstream context, so multiple agents can work in parallel without overwriting each other.

Who is Polystro built for?

Polystro is for AI-native solo developers, consultants, and small technical teams already running coding agents across multiple repos or workstreams and hitting issues like port conflicts, auth bleed, browser-session confusion, and worktree chaos.

How is browser identity isolation different?

Polystro can isolate identities at the workstream and tab level, so you can keep different accounts and roles open at the same time instead of repeatedly logging in and out.

What makes Polystro different from using terminals and worktrees manually?

Polystro combines worktrees, browser identity routing, local routing, and merge review into one desktop workflow so you do not have to stitch the system together by hand.

Why is the launch price lower now?

Early users are adopting Polystro while the workflow is still tightening. Launch pricing reflects that early commitment and stays locked while your subscription stays active.

What works away from my desk?

Remote access is for keeping a session moving. You can check progress and send the next prompt from your phone or laptop, but the full desktop workflow still stays anchored to your licensed machine.

What platforms are supported?

Polystro is built for macOS, Windows, and Linux.

Ready when you are

Your agents already know how to move faster. Give them an environment that can keep up.

Start the trial and run your next multi-agent session without losing time to collisions that have nothing to do with the actual work.

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The desktop app for running parallel agents without port, browser, or git collisions.

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Built for multi-agent software development on desktop.