🔍 Read the full analysis: From Old Look To New: Gewerkton’s Two-Day AI Agents Project on ThorstenMeyerAI.com
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TL;DR
Gewerkton says AI coding agents implemented its HORIZON redesign across its web and phone apps, Studio, icons and website on October 2 and 3, 2026. The project included extensive testing and human approval gates, but visual checks caught problems automated tests missed; the publisher says the work drew on a design draft prepared earlier.
Gewerkton says it replaced the look of its web app, iPhone and Android apps, Studio, 26 icons and 40-language website with a new design called HORIZON during work on October 2 and 3, 2026, as described in the original project account. The construction-site documentation tool’s publisher says AI coding agents implemented the changes from written plans, while founder Thorsten Meyer approved the plans, checked results and released each part.
The project covered more than a visual refresh. In the web app, the team moved 281 hard-coded colour values into design tokens, retaining 11 exceptions, and restyled 47 cards. The phone app moved to the new look in version 0.5.0; the Studio received light and dark versions. All 26 icons were re-rendered in Blender in cobalt and navy. The website’s 529 pages across 40 languages received a new opening section featuring product screens, and the publisher says 1,583 files were uploaded without errors.
The publisher also reports 228 AI film runs for five regions, including 222 runs with their own regional version, plus eight help videos. The project did not begin with a blank page: an interim design draft dated September 26 was carried into the two-day execution. The stated schedule describes the work from an approved plan through the live website, not the full design process.
According to the project account, coding agents Codex and Claude worked in a separate copy of the code on their own branch. Meyer approved the written plan and released each part after review. Films showing the apps were held until he had checked the new interface on October 3, and paid film reruns required explicit approval. Apple also blocked the iPhone build until Meyer accepted an updated Program License Agreement, a step the agents could not complete.
Project report · October 2–3, 2026
From Old Look To New: Gewerkton’s Two-Day AI Agents Project
Gewerkton’s publisher says AI coding agents carried out the HORIZON redesign across its apps, Studio, icons and multilingual website. The two-day execution followed an earlier design draft and included human review and release approvals.
01 / Scope
One design system, many surfaces
The refresh combined interface engineering, responsive checks, localized content and media production.
Color system updated
Moved 281 hard-coded color values into design tokens, retaining 11 exceptions; 47 cards were restyled.
iPhone and Android
The mobile app adopted HORIZON. Publisher-reported checks included 853 of 853 tests passing.
Light and dark
Studio received both appearance modes; its reported suite passed 2,158 of 2,158 tests.
Re-rendered in Blender
Icons were rendered in cobalt and navy to match the new visual language.
Localized launch
529 pages across 40 languages received a new opening section with product screens. Upload reportedly completed without errors.
Films and help
The publisher reports 228 AI film runs, including 222 regional versions, plus eight help videos.
02 / Execution path
Human approval stayed in the loop
The account describes coding agents working on a separate code copy and branch, with the founder reviewing plans, results and releases.
Draft prepared
An interim design draft was dated September 26, before the execution window.
Plan approved
Thorsten Meyer approved the written plan before implementation.
Agents implemented
Codex and Claude worked on their own branch in a separate copy of the code.
Review and release
Meyer checked results and released each part. Films waited for interface review; paid reruns needed explicit approval.
Apple’s agreement required a person
Apple blocked the iPhone build until Meyer accepted an updated Program License Agreement, which the agents could not complete.
Two days describe execution
The timeline runs from an approved plan to the live website. It does not describe the full design process.
03 / What checks found
Passing tests did not catch every visual issue
Automated suites and human inspection surfaced different kinds of problems in the publisher’s account.
Broad coverage reported
Web views were inspected across four languages, three widths and light and dark modes. Mobile reported 853/853 tests; Studio 2,158/2,158; the website passed all seven suites.
People caught missed defects
White icon tiles covered nearby labels in dark mode, and an automated scan missed red details in film footage. Visual review found both.
Eight failures across seven files
The account says six files failed the same way on the main branch; another failure depended on test order and passed alone. It attributes neither to the redesign.
Manual checks after generation
Staff inspected the middle frame of 157 mirrored films and watched reworked films again at 10%, 50% and 90% of their length.
Cobalt contrast adjustment
The publisher says the original color fell below its 4.5:1 working target against a light background, so it darkened the color before release.
04 / Follow-up
Open items in the account
The launch report also describes unresolved details and a next product milestone.
Five findings scheduled
Pixel 10a testing identified five items. One example: larger type and padding made a camera-screen button wrap the German word for “cancel.” The publisher calls the items non-blocking; no release date is given.
One disposition unclear
Ten versions with leftover red were temporarily switched to the European cut. Nine were later reshot with approval and passed visual review; the account does not clarify the remaining version.
Partial cost detail
The publisher gives an approximate film cost. Production paused after round nine at 38% failing, with 208 runs complete; it says 76 failed jobs were not billed, but gives no full project cost.
05 / Source & limits
A first-party project account
Gewerkton is described as a construction-site documentation tool built in Iffeldorf, Bavaria, by Thorsten Meyer.
Ownership disclosed: ThorstenMeyerAI.com says it publishes the account and builds Gewerkton. The reported figures have no independent confirmation in the supplied material.
The account does not specify how work was divided between Codex and Claude, how much human coding took place, or how the timeline compares with a human-only process.
It provides no complete breakdown of film failure causes or costs for engineering, review, image and video generation, and website work.
The report presents the results as the publisher’s own project checks, not as an external audit of product quality or accessibility.
Human Review Shaped the Launch
The account offers a specific example of how a company is using AI coding agents for a broad software and website release, while retaining human authority over decisions and deployment. The claimed two-day execution is striking in scope, but the September 26 design draft and the required approvals are part of that account: the agents did not independently decide on a new product direction or release every change on their own.
The reported problems also show why a passing test suite does not settle whether a redesign works. Meyer says tests did not catch white icon tiles covering nearby labels in dark mode, and an automated scan missed red details in film footage. Human visual review found both. For readers considering similar agent-led work, the account’s practical takeaway is that automated checks and human inspection covered different kinds of failure.
The report gives a concrete accessibility-related design adjustment: the original cobalt reached 4.38:1 contrast against a light background, below Gewerkton’s stated 4.5:1 working standard under WCAG 2.1 AA. The colour was darkened to 4.80:1. These figures describe the company’s own project checks; they are not an independent audit of the product.
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The Work Behind HORIZON
Gewerkton is described by its publisher as a construction-site documentation tool built in Iffeldorf, Bavaria, by Thorsten Meyer, who directs a fleet of AI coding agents. The source material is published by ThorstenMeyerAI.com and discloses that Gewerkton is built by the publisher. That relationship matters when weighing the project’s reported results: the account is a first-party description, not independent verification.
The work combined code and interface changes with media production. The web app was inspected across 200 views, in English, German, Japanese and Hindi, at widths of 390, 834 and 1,440 pixels in light and dark modes. The publisher reports no overflow or console errors in that inspection. The phone app passed 853 of 853 tests, the Studio 2,158 of 2,158, and the website passed all seven test suites. The live website was also checked after upload across all five regions.
Those results do not mean every check was clean. The web app test suite had eight failures across seven files. The publisher says six files failed the same way on the main branch and another failure depended on test order and passed when run alone. On that account, the redesign neither caused nor fixed those failures. The film review also included manual checks: staff inspected the middle frame of each of 157 mirrored films and watched reworked films again at 10, 50 and 90 percent of their length.
“Gewerkton is built by our publisher — we build it ourselves and write down what we learn.”
— ThorstenMeyerAI.com, the publisher
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Limits of the Project Account
The available account is from Gewerkton’s publisher, which disclosed its ownership of the product; it does not provide an independent audit or outside confirmation of the reported tests, page counts, film runs or deployment results. The source material does not specify how the coding agents divided work between Codex and Claude, how much human coding took place, or how the reported completion time compares with a human-only process.
The publisher says film production paused after round nine when 38 percent of jobs were failing, with 208 of the 228 runs completed at that point. It says the 76 failed jobs were not billed, but does not provide a full breakdown of the failure causes or the final total cost for all project work. It supplies an actual figure of about $134 for the films, without a complete cost accounting for engineering, review, image and video generation, or the website changes.
The account also says ten regional film versions containing leftover red were temporarily switched to the European cut. Nine were later reshot with Meyer’s approval and passed visual review. It does not clarify the final disposition of the remaining version. Five major findings from an Android test were scheduled for version 0.5.1; the source describes none as a blocker but does not give a release date.
multilingual website translation services
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Android Fixes and Film Follow-Up
The next stated product milestone is version 0.5.1, which is scheduled to address five findings from testing on a Pixel 10a. One example was camera-screen buttons breaking words across lines after the redesign increased type size and padding; the German word for “cancel” wrapped onto two lines. The publisher calls all five findings non-blocking, but has not given a release date in the supplied account.
The source says nine regional film versions were reshot and passed visual checks, while ten versions had initially been switched to the European cut because red remained in the footage. Readers will need a further update to know whether the outstanding version has also been corrected. The publisher may also provide fuller cost and failure data, but no additional reporting or independent review is identified in the material available here.
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Key Questions
What changed in Gewerkton’s redesign?
The HORIZON look was applied to the web app, phone apps, Studio, 26 icons and a 529-page website in 40 languages. The publisher also reports 228 AI film runs for five regions and eight help videos.
Did AI agents complete the work without human involvement?
No. The publisher says agents implemented the approved plans, while Thorsten Meyer reviewed results and released each part. He also approved paid film reruns and had to accept Apple’s updated license agreement before the iPhone build could proceed.
Was the redesign really done from scratch in two days?
No. The publisher says an interim design draft from September 26 was carried into the October 2–3 execution. The two-day description refers to work from the approved plan to the live website.
What problems did the project uncover?
Human review caught white icon tiles obscuring labels in dark mode and red details left in some film footage. An Android test also found buttons breaking words across lines. The publisher says five Android findings are scheduled for version 0.5.1.
How much did the project cost?
The source gives an actual cost of about $134 for the films and says 76 failed film jobs were not billed. It does not provide a complete cost for the whole redesign, including development, review and other production work.
Source: ThorstenMeyerAI.com
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