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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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Business and Scale · Apr 29, 2026
RevenueCat vs Stripe Billing for SaaS subscriptions (2026)
RevenueCat owns mobile in-app subscriptions, Stripe Billing owns web. Where each one fits by platform, fees, and revenue stage, with a 9-row comparison.
Web Design and Engineering · Apr 28, 2026
Modern CSS 2026: cascade layers, container queries, :has()
Cascade layers end specificity wars, container queries replace component media queries, and :has() ships in every major browser. What to adopt in 2026.
Product Design · Apr 27, 2026
How to govern a design system across 10+ consumer projects
A practical playbook for governing a design system across many consumer projects: contribution model, versioning, codemods, and adoption tracking.
AI and Automation · Apr 27, 2026
Claude Code workflow patterns we use to ship production code daily
Seven Claude Code workflow patterns we run daily to ship production code: plan mode, CLAUDE.md, hooks, subagents, parallel sessions, slash commands, MCP.
Infrastructure and SEO · Apr 26, 2026
llms.txt: what it is, what to put in it, and if you need one
llms.txt is a markdown index that hands LLMs a curated map of your site. Here is what to put in it and whether it actually moves AI citations.
Business and Scale · Apr 26, 2026
SaaS usage metering and billing: the patterns that scale
Idempotent metering, plan modeling, prorated overages, and the billing platform choice. The patterns that ship SaaS usage-based pricing without revenue drift.
Web Design and Engineering · Apr 25, 2026
Why we still pick Next.js over Astro for most SaaS in 2026
We have shipped both Next.js and Astro this year. For SaaS specifically, Next.js stays our default. Here is the honest tradeoff in 2026.
Product Design · Apr 25, 2026
10 design system mistakes that wreck consistency at scale
Buttons multiply, tokens drift, components fork. The 10 design system mistakes that quietly turn a product into a parts bin, and the fixes.
AI and Automation · Apr 24, 2026
Managed vs self-hosted MCP server: build or buy in 2026
A managed MCP server covers most integrations and ships fast; self-hosting wins on control, data residency, and custom auth. How to decide, by use case.
Infrastructure and SEO · Apr 24, 2026
How to write the first 200 tokens so AI engines cite your article
The first 30% of an article drives 44% of AI citations. A practical guide to an opener ChatGPT, Claude and Perplexity quote cleanly.
Business and Scale · Apr 23, 2026
One team, one invoice: why founders stop stacking SaaS vendors
Most early-stage SaaS teams pay 20-30% more than they should because work lives across 10+ vendors. Here is the case for one team and one invoice.
Web Design and Engineering · Apr 23, 2026
React Compiler 1.0: when you still need useMemo and useCallback
React Compiler 1.0 (October 2025) auto-memoizes most components. Where useMemo, useCallback, and React.memo still earn their place, and what the compiler skips.
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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