GoOCR document-to-text app
Nihonbashi AI LabAI agents
A working AI OCR product for turning paper, PDFs, images, tables, figures, and photos into reusable text through a public product flow.
DemoCapturedDemo listing
Curated Build Gallery & Registry
Builds for your AI agents.
Working software they can inspect, clone, and reuse.
All Builds
Kokai Data public-data search app
Nihonbashi AI LabAnalytics and reporting
A working public-data product for company, subsidy, law, procurement, disclosure, tariff, and trade research with source-linked outputs.
DemoCapturedDemo listing
Nihonbashi AI Lab public site
Nihonbashi AI LabWebsites and landing pages
A working corporate site for an AI-native lab, connecting services, products, AI-driven development, and contact paths in one public surface.
DemoCapturedDemo listing
Sales call intelligence starter
三原 健斗Sales and customer ops
A two-week SaaS starter for call summaries, deal tags, manager review, and audit-friendly access control.
DemoCapturedGitHub clone · JPY 29,800
Invoice review workflow board
上田 咲Finance operations
Compares invoice exports, contract terms, and CRM status, then routes review items to Slack with retry logs.
DemoCapturedGitHub clone · JPY 19,800
Source-grounded internal FAQ agent
市川 蓮AI agents
Turns policy docs and support history into an assistant that answers with sources, refusal logs, and department-aware access.
DemoCapturedConsultation-led
Restaurant landing page conversion kit
倉田 舞Websites and landing pages
A static landing page pack focused on reservations, menu clarity, and hiring paths for independent restaurants.
DemoCapturedZIP download · JPY 12,800
Rails change impact map
高瀬 直Admin systems
Maps models, jobs, views, and missing tests before a legacy Rails change is handed to an AI coding workflow.
CapturedDemo listing
AI code test matrix
東雲 透真Starter kits
A starter kit for tracking E2E, unit, and manual checks around AI-generated product changes.
DemoCapturedGitHub clone · JPY 16,800
Adaptive vocabulary mini game
市川 蓮Learning and training
A small learning game that adjusts prompts from learner mistakes without letting chat slow the lesson.
Setup helpCapturedConsultation-led
AI Build registry starter kit
三原 健斗Starter kits
A source pack for publishing build cards, detail pages, setup facts, access terms, and support requests.
DemoCapturedGitHub clone · JPY 34,800
Contract renewal alert workflow
上田 咲Workflow automation
Tracks renewal dates, Slack reminders, confirmation states, and retry paths for contract operations.
DemoCapturedGitHub clone · JPY 14,800
Monthly KPI report dashboard
三原 健斗Analytics and reporting
Turns CSV or spreadsheet inputs into monthly KPI views with deterministic calculations and AI-written commentary drafts.
DemoCapturedGitHub clone · JPY 24,800
Interview notes evaluation board
東雲 透真Hiring and HR
Structures interview notes into review drafts, risk notes, and next steps while keeping hiring decisions with people.
Source accessCapturedConsultation-led
Shopify inventory ops mini app
倉田 舞Commerce operations
Connects Shopify orders, inventory CSVs, and operator notes to surface stock risks and message drafts.
DemoCapturedZIP download · JPY 26,800
Build facts
Facts that travel with every Build
What you receive
A demo, Source Pack, delivery artifact, or setup path when the Builder has listed one.
Access and reuse
Declared access terms, license scope, required providers, and known limitations.
Evidence and checks
Attached Evidence stays distinct from Builder declarations and checks that have not run.
Version history
The current Build version and check date provide context for every recorded fact.
Builders
Meet the Builders behind the software
N
Nihonbashi AI Lab
AI-native lab for working AI products, knowledge systems, and public-data tools.
Reusable AI softwarePublic-data products
B
Builder @kento_mvp
Builder of SaaS starters and reporting dashboards
Sales operationsKPI reporting
B
Builder @ops_aya
Builder of finance operations and workflow automation Builds
Finance operationsWorkflow automation
B
Builder @studio_nori
Builder of websites, learning tools, and compact product prototypes
WebsitesLearning tools
Project Room
Keep scoped setup work attached to a Build
Project Rooms are a planned workspace for provider setup, additional checks, and scoped changes around a Build. This capability is not available yet.