Claude Code expert in the Philippines helping businesses solve real problems with AI workflow automation. Practical guides, use cases, and insights from daily Claude Code practice.https://marklestermahilum.com/https://marklestermahilum.com/blog/claude-fixed-my-site-into-404s/https://marklestermahilum.com/blog/claude-fixed-my-site-into-404s/Claude Code saw duplicate content, applied the textbook fix, and broke every TIL post on this site. The bug wasn't the model. It was where I kept my decisions.Mon, 06 Jul 2026 00:00:00 GMThttps://marklestermahilum.com/use-cases/optimizing-website-for-llm-search/https://marklestermahilum.com/use-cases/optimizing-website-for-llm-search/Generative engine optimization (GEO) with Claude Code: dynamic llms.txt endpoints, AI-crawler robots.txt, and JSON-LD schema across every page. One session, deployed.Mon, 06 Jul 2026 00:00:00 GMThttps://marklestermahilum.com/blog/til-workers-assets-need-explicit-404/https://marklestermahilum.com/blog/til-workers-assets-need-explicit-404/Building 404.astro isn't enough. Without not_found_handling in wrangler.json, unknown URLs on a Workers site return a bare response instead of your page.Fri, 03 Jul 2026 00:00:00 GMThttps://marklestermahilum.com/use-cases/finding-404s-with-a-link-crawler/https://marklestermahilum.com/use-cases/finding-404s-with-a-link-crawler/No paid crawler, no SaaS audit tool. Claude Code crawled the built site with grep, found three 404s, traced the root cause, and shipped a custom 404 page.Thu, 02 Jul 2026 00:00:00 GMThttps://marklestermahilum.com/blog/til-llms-txt-as-astro-endpoint/https://marklestermahilum.com/blog/til-llms-txt-as-astro-endpoint/A static llms.txt is a list you forget to update. An endpoint that queries your content collections rebuilds the index on every deploy. One gotcha: a file in public/ silently shadows it.Wed, 01 Jul 2026 00:00:00 GMThttps://marklestermahilum.com/tutorials/caveman-mode-cut-token-costs/https://marklestermahilum.com/tutorials/caveman-mode-cut-token-costs/A CLAUDE.md persona plus two hooks that make Claude respond terse-but-complete in every session. Same technical substance, a fraction of the tokens.Mon, 29 Jun 2026 00:00:00 GMThttps://marklestermahilum.com/use-cases/managing-voice-agents-from-the-terminal/https://marklestermahilum.com/use-cases/managing-voice-agents-from-the-terminal/Retell AI's MCP server plugged into Claude Code: create agents, buy phone numbers, review call logs. The whole voice stack managed in conversation, no dashboard.Fri, 26 Jun 2026 00:00:00 GMThttps://marklestermahilum.com/tutorials/session-goals-with-stop-hooks/https://marklestermahilum.com/tutorials/session-goals-with-stop-hooks/Claude Code stops when it thinks it's done, not when the work is done. A session-scoped Stop hook turns your goal into a contract it can't walk away from.Wed, 24 Jun 2026 00:00:00 GMThttps://marklestermahilum.com/blog/til-broken-hook-fails-every-command/https://marklestermahilum.com/blog/til-broken-hook-fails-every-command/My token-saving Bash rewrite hook pointed at a CLI that wasn't installed. Every shell command in every session died with 'command not found' until Claude routed around it.Tue, 23 Jun 2026 00:00:00 GMThttps://marklestermahilum.com/blog/missed-calls-are-killing-your-local-business/https://marklestermahilum.com/blog/missed-calls-are-killing-your-local-business/62% of small business calls go unanswered. 85% of those callers never try again. Here's exactly what that's costing you, and the system that fixes it permanently.Sat, 20 Jun 2026 00:00:00 GMThttps://marklestermahilum.com/blog/til-draft-filtering-was-missing/https://marklestermahilum.com/blog/til-draft-filtering-was-missing/Astro Content Collections don't hide draft posts automatically. Forgetting the filter on index and slug pages means drafts are publicly live.Sat, 20 Jun 2026 00:00:00 GMThttps://marklestermahilum.com/blog/til-merge-collections-instead-of-splitting/https://marklestermahilum.com/blog/til-merge-collections-instead-of-splitting/TIL posts lived in their own Astro content collection. Folding them into the blog collection as a category field fixed SEO and cut duplicate logic.Sat, 20 Jun 2026 00:00:00 GMThttps://marklestermahilum.com/blog/claude-code-remembers-across-sessions-with-claude-md/https://marklestermahilum.com/blog/claude-code-remembers-across-sessions-with-claude-md/You don't have to re-explain your project conventions every time. CLAUDE.md is loaded automatically at the start of every Claude Code session.Thu, 18 Jun 2026 00:00:00 GMThttps://marklestermahilum.com/tutorials/getting-started-with-claude-code/https://marklestermahilum.com/tutorials/getting-started-with-claude-code/Install Claude Code, run your first session, and build a workflow that saves you an hour a day. A practical beginner guide from real daily use.Thu, 18 Jun 2026 00:00:00 GMThttps://marklestermahilum.com/use-cases/automating-code-review-with-claude-code/https://marklestermahilum.com/use-cases/automating-code-review-with-claude-code/How I wired Claude Code's PostToolUse hooks to automatically review every file I edit, catching bugs before I even run the code.Thu, 18 Jun 2026 00:00:00 GMT