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What AI builders have shipped
31 cases from builders across Europe
Alln8n36Supabase31Anthropic API26Claude26LangChain10Replicate10ElevenLabs9Slack9Vercel9Cursor8Notion8OpenAI API7Hugging Face6Together AI5Zapier5ChatGPT4v01
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Goality App
Website goality site
Beta users hit 71% of their weekly goals (3.2× pre-app baseline)
VercelSupabasen8n6
Internal-docs RAG for a 50-person agency
Ingested 4k internal documents, vector store on pgvector, semantic search + Claude answer generation. Slack bot front-end.
Reduced "where do I find X" Slack messages by 65%.
LangChainSupabaseAnthropic API
ID-verification flow for fintech
KYC: passport photo + selfie → liveness + face-match + extract document fields → compliance dashboard.
Approval time down from 6h to 4 min average.
ReplicateAnthropic APISupabase
Internal tools for a 12-person studio
Project tracker + invoice generator + client portal. All custom-built on Cursor in one sprint.
Replaced Asana + Quickbooks workflows; saved €280/mo SaaS bill.
CursorVercelSupabase
Customer-support agent with Claude tool-use
Multi-tool agent: search KB, escalate to human, refund processor. Tools defined in TypeScript, Claude orchestrates via function-calling.
70% containment rate on first 1000 conversations.
ClaudeAnthropic APISupabase
Educational quiz bot
Daily-question Telegram bot for a 2k-student community. Adaptive difficulty, leaderboards, weekly summaries.
Daily active users hit 32% (industry baseline ~12%).
ClaudeSupabase
Onboarding wizard powered by Claude
Conversational onboarding for a fintech app — Claude collects KYC data step-by-step using function-calls into the backend.
Completion rate up 24% vs the static form it replaced.
ClaudeAnthropic APISupabase
Community concierge bot
Telegram bot for a 12k-member crypto community: FAQ answering, moderation, daily digest of pinned messages.
Moderator workload down 70%; community sentiment up.
Clauden8nSupabase
Internal data analyst chat
Claude agent that translates plain-English questions into SQL against a Postgres warehouse, runs query, returns formatted answer with chart.
Adopted by ops team — 200+ queries/week, no SQL training needed.
ClaudeAnthropic APISupabase
Lead-qualification bot in Telegram
B2B sales bot: greets new leads, qualifies via 4 questions, books a call. Pushes qualified ones to HubSpot.
SQL rate from cold inbound up 38%.
Clauden8nSupabase
B2B SaaS MVP in 11 days
Built a niche CRM for fitness coaches — full auth, billing, dashboard, mobile-responsive. Stack: Next.js + Supabase + Stripe.
Founder closed 8 paying clients in the first month.
CursorVercelSupabase
Community concierge bot
Telegram bot for a 12k-member crypto community: FAQ answering, moderation, daily digest of pinned messages.
Moderator workload down 70%; community sentiment up.
Clauden8nSupabase
Internal data analyst chat
Claude agent that translates plain-English questions into SQL against a Postgres warehouse, runs query, returns formatted answer with chart.
Adopted by ops team — 200+ queries/week, no SQL training needed.
ClaudeAnthropic APISupabase
Product-docs chat for a developer SDK
Open-source SDK with 200+ pages of docs. RAG-powered Q&A widget on docs site. Fine-grained citations.
Discord support questions down 40% after launch.
LangChainSupabaseHugging Face
Construction-site progress photo tracker
Weekly drone-footage frames → vision model identifies milestones (foundation, framing, roof, drywall) → updates project dashboard.
Project managers caught delays ~3 weeks earlier on average.
ReplicateClaudeSupabase
Product-docs chat for a developer SDK
Open-source SDK with 200+ pages of docs. RAG-powered Q&A widget on docs site. Fine-grained citations.
Discord support questions down 40% after launch.
LangChainSupabaseHugging Face
Product-docs chat for a developer SDK
Open-source SDK with 200+ pages of docs. RAG-powered Q&A widget on docs site. Fine-grained citations.
Discord support questions down 40% after launch.
LangChainSupabaseHugging Face
Community concierge bot
Telegram bot for a 12k-member crypto community: FAQ answering, moderation, daily digest of pinned messages.
Moderator workload down 70%; community sentiment up.
Clauden8nSupabase
Construction-site progress photo tracker
Weekly drone-footage frames → vision model identifies milestones (foundation, framing, roof, drywall) → updates project dashboard.
Project managers caught delays ~3 weeks earlier on average.
ReplicateClaudeSupabase
Financial-research assistant
Vector index over 10 years of analyst reports. Hybrid retrieval, Claude synthesis with mandatory citations.
Adopted by 6 analysts; saved 4h/week each.
LangChainTogether AISupabase
Customer-support agent with Claude tool-use
Multi-tool agent: search KB, escalate to human, refund processor. Tools defined in TypeScript, Claude orchestrates via function-calling.
70% containment rate on first 1000 conversations.
ClaudeAnthropic APISupabase
Onboarding wizard powered by Claude
Conversational onboarding for a fintech app — Claude collects KYC data step-by-step using function-calls into the backend.
Completion rate up 24% vs the static form it replaced.
ClaudeAnthropic APISupabase
Internal tools for a 12-person studio
Project tracker + invoice generator + client portal. All custom-built on Cursor in one sprint.
Replaced Asana + Quickbooks workflows; saved €280/mo SaaS bill.
CursorVercelSupabase
ID-verification flow for fintech
KYC: passport photo + selfie → liveness + face-match + extract document fields → compliance dashboard.
Approval time down from 6h to 4 min average.
ReplicateAnthropic APISupabase