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esteve@internet:~$ whoami
> Esteve Castells — builder, SEO & AI tinkerer, Barcelona 🌍esteve@internet:~$ cat focus.txt
> turning search, AI visibility and domains into developer tools
> if it's on the Internet, I'll probably try to measure itesteve@internet:~$ uptime
> shipping since boot ⚡ · caffeine: critical · bugs: featuresLive products · the stuff I build and run in production
drwxr-xr-x llm-pulse/ 🟢 live AI search visibility & GEO platformdrwxr-xr-x domscan/ 🟢 live developer-first domain intelligence API| Project | What it does | Links |
|---|---|---|
| 🛰️ LLM Pulse | Your radar for AI search. Track brand share-of-voice, citations & sentiment across ChatGPT, Perplexity, Google AI Overviews & AI Mode — the Ahrefs for LLMs. |  |
| 🔍 DomScan | One edge API for everything domains — availability, WHOIS/RDAP, DNS, SSL, valuation & brand risk across 1,500+ TLDs, sub-100ms. 30+ endpoints + MCP. |  |
Open source · clone it, break it, PR it
| Repo | What it does | Stack |
|---|---|---|
| openadscan | Self-hosted brand presence & SEO/SEM intelligence — the free, open-source alternative to Adthena. Deploys to your own Cloudflare. |  |
| domscan-cli · domscan-sdk | Official command-line client + SDK for the DomScan API. |  |
| uptime-monitoring-workers | Lightweight uptime monitoring that runs on Cloudflare Workers. Cheap, fast, no servers. |  |
Fixing bugs in the apps & tools I actually use · scratch the itch, send the patch upstream 🔧
* commit Telegram-iOS fix media silently not saving to Photos + AirPlay audio routing* commit openai/codex squashing bugs in the terminal coding agent I live in* commit micelio-crawler PageRank + Cloudflare log fixes for the Go SEO crawler I run→ Telegram-iOS #2186 · → #2109 · → openai/codex · → micelio-crawler
esteve@internet:~$ ./contact.sh --open
> opening channels...
// always up for talking SEO, AI search, domains & weird web infra