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The Loop

The product loop

Discover. Plan. Build. Ship. Measure. Repeat.

Fei Studio runs your whole product loop in one place, on your real codebase — from the first question to the shipped PR to knowing whether it worked. Context carries from step to step, so nothing gets re-explained and nothing gets lost.
The problem

Your product loop is scattered across five tools.

Research in one, specs in another, prototypes in a third, tickets in a fourth — and at every seam, context dies. Each tool starts from zero, and someone has to carry the story between them by hand.
DiscoverDiscover mode
PlanPlan mode
BuildBuild + Design Mode
ShipYour engineer approves
MeasureDiscover mode, post-ship
OptimizeFeeds the next task

One system. One context. The loop closes.

01

Discover

Ask the hard PM questions. Fei Studio does the research. It pulls from your analytics, tickets, customer calls, and codebase, and returns a Discovery Brief — findings with cited sources, signal gaps, and suggested next steps.

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02

Plan

A rough idea becomes a buildable spec. Fei Studio asks the clarifying questions — and carries the brief in, so you never re-explain what you found.

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03

Build

Built from your real components and tokens, rendered live, and validated in every state — empty, loading, error — before review. Point and edit visually with Design Mode.

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04

Ship

Every change arrives as a review-ready PR. Your engineer approves every merge.

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05

Measure

“We released export-to-PDF five days ago — how’s adoption, where do users drop off, any tickets?” A post-release snapshot: who’s using it, what the feedback says, whether it needs a follow-up.

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06

Optimize

The snapshot’s next steps become the next task, one click back into the loop. Every cycle, the harness knows your product better.

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One place

Keep your stack. Lose the seams.

Fei Studio connects to the tools you already run — and turns them into one loop.
Mixpanel Amplitude Jira Linear Notion Fathom Gong Slack Sentry Datadog Salesforce HubSpot Intercom Zendesk

You don’t need every source connected — Fei Studio works with what’s available and tells you what would strengthen the brief.

Start your first loop.