Skip to content
View estevecastells's full-sized avatar
🎯
🎯
21 followers · 9 following

Achievements

Achievement: YOLOAchievement: Pair Extraordinairex2Achievement: QuickdrawAchievement: Pull Sharkx2

Achievements

Achievement: YOLOAchievement: Pair Extraordinairex2Achievement: QuickdrawAchievement: Pull Sharkx2

Block or report estevecastells

Block user

Prevent this user from interacting with your repositories and sending you notifications. Learn more about blocking users.

You must be logged in to block users.

Maximum 250 characters. Please don’t include any personal information such as legal names or email addresses. Markdown is supported. This note will only be visible to you.
Report abuse

Contact GitHub support about this user’s behavior. Learn more about reporting abuse.

Report abuse
estevecastells/README.md 
           _                               _       _ _
  ___  ___| |_ _____   _____  ___ __ _ ___| |_ ___| | |___
 / _ \/ __| __/ _ \ \ / / _ \/ __/ _` / __| __/ _ \ | / __|
|  __/\__ \ ||  __/\ V /  __/ (_| (_| \__ \ ||  __/ | \__ \
 \___||___/\__\___| \_/ \___|\___\__,_|___/\__\___|_|_|___/
typing

Website X LinkedIn Location

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 it

esteve@internet:~$ uptime
> shipping since boot ⚡  ·  caffeine: critical  ·  bugs: features

$ ls -la ~/projects --featured

Live products · the stuff I build and run in production

drwxr-xr-x  llm-pulse/   🟢 live   AI search visibility & GEO platform
drwxr-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. site
🔍 DomScan One edge API for everything domains — availability, WHOIS/RDAP, DNS, SSL, valuation & brand risk across 1,500+ TLDs, sub-100ms. 30+ endpoints + MCP. site

$ ls -la ~/projects --open-source

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. TS
domscan-cli · domscan-sdk Official command-line client + SDK for the DomScan API. TS JS
uptime-monitoring-workers Lightweight uptime monitoring that runs on Cloudflare Workers. Cheap, fast, no servers. CF

$ git log --author=esteve --contributions

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

$ ./contact.sh

esteve@internet:~$ ./contact.sh --open
> opening channels...

Website Email X LinkedIn

// always up for talking SEO, AI search, domains & weird web infra

Pinned Loading

  1. uptime-monitoring-workers uptime-monitoring-workers Public

    TypeScript 1 1

  2. domscan-cli domscan-cli Public

    Official command-line client for the DomScan API

    TypeScript

  3. domscan-sdk domscan-sdk Public

    JavaScript

  4. openadscan openadscan Public

    TypeScript