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chudi.dev

Resources & Tools

Free docs, tools, and communities I actually use. Organized by what you're building.

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Affiliate recommendations

These are verified affiliate relationships. I recommend a product only when it matches the reader's stated job and I have relevant firsthand experience.

Railway

hosting

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Managed infrastructure for backends, workers, and databases when a project needs a persistent service without VPS administration.

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DigitalOcean

hosting

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Cloud VPS hosting for Python agents that need full root access and persistent processes.

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QuantVPS

hosting

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Specialized VPS hosting for live trading-bot operators who have measured a latency or infrastructure bottleneck.

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Direct recommendations

These links go directly to the provider. They are not affiliate links and do not create a commission for chudi.dev.

smart_toy

AI & Claude Code

Claude Code Docs

Free

Official documentation for Claude Code, the AI coding tool. Setup, slash commands, CLAUDE.md, hooks, and everything you need to get productive fast.

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Anthropic Cookbook

Free

Official collection of notebooks and examples for building with the Claude API. Real code for real problems: tool use, multimodal, agents, and more.

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Anthropic API Reference

Free

Full API reference for the Claude API, models, messages, streaming, tool use, and token budgets. The ground truth for building Claude-powered apps.

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visibility

AI Visibility & AEO

llms.txt Specification

Free

The proposed standard for telling AI crawlers what to index and how to cite your content. Place at your site root alongside robots.txt.

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Citability

Free

AI visibility audit tool. Runs 10 automated checks against any website to measure how likely AI search engines are to find and cite your content.

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Schema.org

Free

The structured data vocabulary that search engines and AI systems use to understand content types. BlogPosting, FAQPage, and Person schemas are the most impactful for AEO.

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Google Rich Results Test

Free

Test whether your structured data is valid and eligible for rich results. Also confirms what AI engines can parse from your JSON-LD markup.

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AI-Visible Web Architecture (Open Source)

Free

The open-source implementation behind chudi.dev, llms.txt, ai.txt, WebMCP, structured data, and the full AI visibility stack. Reference implementation you can fork.

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search

SEO & Content

Google Search Console

Free

The ground truth for how Google sees your site. Indexation status, search queries, click-through rates, and Core Web Vitals. Free and essential.

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PageSpeed Insights

Free

Measures Core Web Vitals (LCP, CLS, INP) for any URL. Lab data from Lighthouse plus real-world field data from Chrome UX Report.

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Ahrefs Webmaster Tools

Free

Free site audit and backlink checking for verified site owners. Shows domain rating, referring domains, and crawl issues. The free tier covers the basics.

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Automation & Workflows

n8n Docs

Free

Self-hostable workflow automation. Connects anything to anything. The open-source alternative to Zapier with full control over your data and logic.

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n8n Community

Free

The n8n community forum, workflows, templates, troubleshooting, and integrations. Best place to find pre-built automations for your use case.

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Zapier

Free

No-code automation platform. Great for connecting SaaS tools without hosting. Free tier covers the basics, upgrade when you need multi-step zaps.

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Deployment & Hosting

Vercel

Free

The best place to deploy SvelteKit and Next.js apps. Zero-config, instant global CDN, preview deployments on every PR. Free tier is genuinely useful.

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Railway

Free

Deploy backends, databases, and workers in one click. No Kubernetes config. The easiest way to run Python services, Postgres, Redis, and more in production.

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Cloudflare Workers

Free

Serverless at the edge. Free tier gives you 100k requests/day. Perfect for API proxies, webhooks, and any latency-sensitive compute.

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web

Frontend Development

SvelteKit Docs

Free

Official SvelteKit documentation. Routing, load functions, form actions, hooks, everything you need to build full-stack apps with the fastest frontend framework.

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Tailwind CSS Docs

Free

Official Tailwind documentation. Utility classes, responsive design, dark mode, and the config system. The fastest way to build good-looking UIs without writing CSS.

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TypeScript Handbook

Free

The official TypeScript handbook, from basics to advanced types. Essential reading if you use TypeScript with SvelteKit, Next.js, or any Node-based project.

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