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7 Claude app mistakes that cost tokens, money, or the company
Seven mistakes we see in production Claude apps. Some cost tokens, some cost money, one or two can cost the company. Each one has a simple fix.
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AI and Automation · May 10, 2026
Multi-agent system design patterns that survive production
Multi-agent systems cost 15 times more than chat. 40% of pilots fail in 6 months. Five design patterns decide if your AI agent team ships or stalls.
Infrastructure and SEO · May 9, 2026
Supabase RLS at scale: 7 patterns that stop the 11x slowdown
On large tables, Supabase RLS can add 2x to 11x latency when policies skip the SELECT wrapper, miss indexes, or hide joins. Seven patterns that stay fast.
Business and Scale · May 8, 2026
Post-launch rot: why your site falls apart 6 months after handover
Production sites decay after handover. Dependencies drift, certificates expire, Web Vitals slide. Why six months is the breakpoint, and how to prevent it.
Web Design and Engineering · May 6, 2026
Edge vs Node runtime: when each one wins for SaaS (2026)
Edge wins on cold start and global latency; Node wins on libraries, long tasks, and database work. The decision is not binary, and most SaaS run both.
Product Design · May 3, 2026
Accessibility-first design after the EU Accessibility Act
The EAA became enforceable on 28 June 2025. Here is what changes for product teams shipping to the EU and what accessibility-first design actually means.
AI and Automation · May 3, 2026
Claude Code hooks: PreToolUse, PostToolUse, and patterns that scale
How to wire Claude Code hooks for security gates, format-on-save, and team-wide guardrails without slowing the agent down.
Infrastructure and SEO · May 2, 2026
Cloudflare blocks AI crawlers: allow GPTBot and ClaudeBot
Since 1 July 2025, every new Cloudflare domain blocks GPTBot, ClaudeBot, and PerplexityBot by default. How to allow the AI crawlers that earn citations.
Business and Scale · May 2, 2026
Multi-tenant from day one: why single-tenant SaaS is a 5-year mistake
Single-tenant feels safer at launch, then becomes a 6 to 12 month re-architecture between customer 200 and 500. Pool by default, silo as a paid tier.
Web Design and Engineering · May 1, 2026
Why we removed Tailwind from production: a CSS-only design system
After years of running Tailwind alongside our own design system, we removed it from production. Here is the architecture that replaced it and what changed.
Product Design · May 1, 2026
Calm UI in 2026: the shift away from animation theatrics
Calm UI keeps interface motion in the user's periphery, animates only when state changes carry meaning, and treats animation as a cost not a default.
AI and Automation · Apr 30, 2026
AI-native vs AI bolted-on: how to tell in 60 seconds
What separates AI-native products from retrofits: the architecture, the data flow, the team shape. Plus a 60-second test you can run on any product.
Infrastructure and SEO · Apr 30, 2026
The 7 schema markup types every blog needs in 2026
Article, BreadcrumbList, Organization, Person, WebSite, FAQPage, HowTo. Which schema types still earn rich results in 2026, and which are pure AI citation fuel.
All articles
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96 articles
2026
- Anthropic API in Next.js: streaming, caching, and cost control
- Brand mentions vs backlinks: what predicts AI citations in 2026
- Next.js i18n without a library: the App Router pattern we ship
- Google's scaled content abuse policy: the AI pipeline that survives
- Discovery phase cost in 2026: what to pay and what to refuse
- Stripe Checkout vs Billing Portal: which does what in 2026
- TanStack in 2026: Query, Router, Start, and what each one solves
- Sitemap strategy for a large content site: split, index, lastmod
- AI integration cost for a SaaS in 2026: real ranges
- Stripe integration cost and timeline for a SaaS in 2026
- SaaS website design cost in 2026: a founder's pricing guide
- Design system pricing in 2026: project, retainer, or shared ownership
- Design system ROI: measure it as a P&L line item
- WebGL vs CSS animation: when to use each (2026)
- SaaS dashboard design: show data without drowning users
- How to write a CLAUDE.md file that steers Claude Code reliably
- How to add JSON-LD to a blog article the right way in 2026
- Web font performance in 2026: subset, self-host, swap
- Design token naming conventions: a 3-tier system that scales
- Designing for AI agents: building a UI the non-human user can read
- MVP development cost in 2026: ranges by scope and stack
- Technical SEO checklist for a B2B SaaS launch in 2026
- 6 frontend mistakes that tank your Lighthouse score in 2026
- Component drift: how design systems decay and how to catch it
- Self-hosting Next.js with Docker vs Vercel: when each wins
- How to hire a product engineering studio in 2026
- Type-safe RPC with Next.js Server Actions: skip the API layer
- Design system structure: the 7 categories and the build order
- Content freshness in 2026: the 90-day rule for SEO and GEO
- How much does it cost to build a SaaS in 2026? Real ranges by scope
- AI consulting firm vs AI studio: which fits your stage in 2026
- What is a Claude Code studio in 2026 (and how to pick one)
- How to hire a product engineering studio in 2026: a buyer's playbook
- Website architecture in 2026: SPA homepage, static for the rest
- Why we kill components instead of adding them: the design system diet
- Short-lived MCP server URLs: the TTL pattern for AI agents in 2026
- GEO KPIs in 2026: Citation Rate, Mention Rate, Position
- How to write an RFP for software that attracts the right vendors
- Core Web Vitals on Next.js in 2026: how to ship green
- Functional UI animation in 2026: the checklist before it ships
- Claude Code skills: when to use them and when they pile up as overhead
- Where to find a SaaS design partner in 2026: 6 places that work
- Cloudflare R2 vs Supabase Storage: when to add R2 in 2026
- Immersive web stack in 2026: Lenis, GSAP, and what to skip
- Upstash Redis patterns: rate limiting, sessions, locks, queues
- TypeScript strict mode: the 8 settings we never turn off
- AI integration agency in 2026: what their pitch should actually contain
- 12 mistakes we see teams make building their first multi-agent ops system
- Cloudflare R2 vs S3 vs Supabase Storage in 2026: which to pick
- Supabase Supavisor: when the pooler saves you and when it adds 80ms
- Next.js development agency vs in-house: when each one wins in 2026
- Design system as a service: 6 agency models compared in 2026
- Claude integration partner: what to look for before you sign
- How to choose a B2B SaaS design agency in 2026
- Stripe integration partner vs DIY: when each one wins in 2026
- MVP development agency in 2026: how to pick one that ships
- Best SaaS design agencies in 2026: how to actually compare them
- What an AI-native studio actually means in 2026
- Next.js Server Actions security: 13 advisories and 2026 fixes
- Dark mode is not a toggle: context-aware theming in 2026
- Multi-agent system design patterns that survive production
- Supabase RLS at scale: 7 patterns that stop the 11x slowdown
- Post-launch rot: why your site falls apart 6 months after handover
- Edge vs Node runtime: when each one wins for SaaS (2026)
- Accessibility-first design after the EU Accessibility Act
- Claude Code hooks: PreToolUse, PostToolUse, and patterns that scale
- Cloudflare blocks AI crawlers: allow GPTBot and ClaudeBot
- Multi-tenant from day one: why single-tenant SaaS is a 5-year mistake
- Why we removed Tailwind from production: a CSS-only design system
- Calm UI in 2026: the shift away from animation theatrics
- AI-native vs AI bolted-on: how to tell in 60 seconds
- The 7 schema markup types every blog needs in 2026
- RevenueCat vs Stripe Billing for SaaS subscriptions (2026)
- Modern CSS 2026: cascade layers, container queries, :has()
- How to govern a design system across 10+ consumer projects
- Claude Code workflow patterns we use to ship production code daily
- llms.txt: what it is, what to put in it, and if you need one
- SaaS usage metering and billing: the patterns that scale
- Why we still pick Next.js over Astro for most SaaS in 2026
- 10 design system mistakes that wreck consistency at scale
- Managed vs self-hosted MCP server: build or buy in 2026
- How to write the first 200 tokens so AI engines cite your article
- One team, one invoice: why founders stop stacking SaaS vendors
- React Compiler 1.0: when you still need useMemo and useCallback
- Design tokens vs CSS variables vs Tailwind, explained (2026)
- How to build a Next.js MCP server on an existing SaaS (2026)
- The 12 GEO best practices that actually move citation rates in 2026
- Studio vs freelancer vs agency in 2026: who fits which budget
- Server Components vs Client Components: the decision tree we follow
- Third-party component libraries: an expensive shortcut
- What is MCP and why your SaaS needs an MCP server in 2026
- What is Generative Engine Optimization (GEO) vs SEO
- The agency tax: why mid-market companies overpay for digital work
- Next.js 16 + React 19: the 3 changes that break old SaaS code
- What is a design system audit and when you need one
- 7 Claude app mistakes that cost tokens, money, or the company