Early access applications are now available. Build an app with AI, publish it with one button, and let Craif run the infrastructure underneath it.

TOKYO, September 17, 2026 - Craif Inc., a bio-AI company developing a urine analysis platform for early detection of cancer and other diseases, today introduced Oyster Platform in Japan, a development platform for building web applications with AI and publishing and operating them with a single button. Applications for early access are now open to users in Japan.

Oyster Platform is not a speculative new line of business. It is the platform Craif already runs its own purchasing, CRM, support desk and laboratory testing on, and it has been the foundation those operations were built on as the company grew. Craif is offering it outside the company for the first time.

Craif was founded in 2018 and develops cancer testing built on NANO IP (NANO Intelligence Platform), its proprietary technology for detecting DNA, microRNA and other biomarkers in urine and other body fluids with high accuracy, combined with AI. Building and operating the software that runs a diagnostics company, from purchasing through to the lab, is what produced Oyster Platform.

The problem: writing an app is easy now; running one is not

Generative AI has made building a web application something more than a small group of engineers can do. Give an instruction to Claude or Codex, and you can have a working app.

The difficulty starts the moment you want a colleague to use it, publish it outside the company, or keep it running. Every app needs its own database, authentication, storage and hosting. That is a hard stop for a non-engineer and a real cost for an engineer. It compounds: every additional app means additional infrastructure and another database, which raises operating costs and means work to connect the databases together before the data can be used.

What Oyster Platform does

Oyster Platform puts one set of infrastructure under every app. You can build and deploy CRM, inventory management, customer support and anything else on the same platform, with no limit on the number of apps.

Because the apps share a platform, the data is collected in a single database. The next app you build can read that data directly, with no reconnection work. As apps accumulate, so do the data and source code, all held in one place. Handing that data to an AI means it works with the full picture rather than a fragment.

Three features define the product:

• Publish and operate with one button: An app built with the AI tools you already use can be published to the world with a single button. Craif operates the infrastructure after publication, so there is no separate hurdle between building an app, publishing it and running it.
• Unlimited apps on one platform: There is no cap on the number of apps on a single platform. Because each app doesn't need its own infrastructure, adding apps doesn't add management overhead.
• One database, so AI sees everything: Data from every app accumulates in one database. The more apps there are, the more data is available to reference, and an AI answering a question can draw on all of it.

Other Key Features

• Web and CLI support, so development happens in the AI agent and IDE you already use
• Database (PostgreSQL), authentication, storage and hosting built in
• Full-code development in TypeScript, React and Prisma
• Isolated infrastructure for each user, suitable for apps that handle business data
• Fast deploys, with builds at the smallest unit, so deploy times stay constant as the number of apps grows
• Per-app visibility settings: public to the world, limited to a team, or private to you
• One-touch switching between staging and production
• Automatic generation of test data, seeded from production data with personal information masked

Early access

• Product name: Oyster Platform
• Availability: Japan only
• Applications open: September 17, 2026
• Access expected to begin: late October 2026
• Cost: free
• Places available: a limited number
• How to apply: the application form on the official Oyster Platform site
• Official site: https://oyster-platform.com

How it differs from existing tools

Application development platforms have mostly fallen into two groups. No-code and low-code tools start in a browser and are easy to enter, but they limit what you can build, and you can't take either the screens or the app logic elsewhere. Developer platforms allow open-ended development, but they assume the engineer will set up the database, authentication and infrastructure, and data ends up scattered across projects.

Oyster Platform is built to offer both. Getting started means opening a browser, with no environment to set up first. Underneath is full code, so an engineer can do the work an engineer normally does. Development runs through the AI agent a user already works with, which means someone without a specialist background can build an app with AI and publish it in one click. Every app built on Oyster Platform reads from the same database, and performance and deployment times stay constant as apps are added. Source code and database both remain in standard formats and stay in the user's hands, so moving to another platform is not restricted.

About Craif

Craif is a bio-AI company founded in 2018 that develops non-invasive tests for the early detection of cancer. Its platform combines proprietary biomarker detection from urine and other bodily fluids with AI to assess disease risk. Building on one of the world's largest urine datasets, Craif aims to create a urine analysis platform that detects a wide range of diseases early, with cancer as the first step. The company is based in Tokyo and operates a wholly owned laboratory in San Diego, opened in 2026. Learn more at craif.com.

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