A deep dive into Businesses in ChatGPT 🔗
Businesses in ChatGPT lets you claim your business, add a product feed, see mentions and clicks, and publish a Business Agent. How it works and its li [...]
Flavio Copes
Posts
API pricing vs subscription: what my month of Codex would cost on the API 🔗
I priced 30 days of my real Codex usage at API rates. A $100 plan covered $745 of API-equivalent work. Here's the math, the script to run on your own [...]
AI fundamentals: a beginner's guide to language models and coding agents 🔗
How AI models and coding agents work, shown with real runs: the words, tokens, the context window, why models make things up, thinking models, RAG, ch [...]
How to write an Agent Skill 🔗
Write an Agent Skill that loads at the right time and does one job well: SKILL.md and the spec, descriptions that trigger, scripts, authority, and rea [...]
Open your Mac's dev server on your phone over Tailscale 🔗
Test a local site on a real phone through the tailnet with HTTPS, no ngrok and no public URL. Builds on the Tailscale tutorial for your Mac and a serv [...]
Migrating a Ghost blog to EmDash on Cloudflare 🔗
Export Ghost, scaffold EmDash, keep every URL, move posts, tags and images with a script, publish them with their original dates, and shut the VPS dow [...]
Migrating a WordPress blog to EmDash: the checklist 🔗
The built-in WordPress importer, the exporter plugin, what moves and what doesn't, how statuses and dates come across, and a checklist to run the migr [...]
EmDash: Cloudflare's CMS for Astro, explained 🔗
What EmDash is, how it's built, what the admin and the MCP server look like, where it runs and what it costs, and where it falls short of WordPress an [...]
Tailscale vs Cloudflare Tunnel vs a cloud firewall 🔗
I scanned one Droplet behind ufw, a cloud firewall, Tailscale and a Cloudflare Tunnel. What each one left open, what it costs, and how fast it was. [...]
Tailscale tutorial: your Mac and a server on one private network 🔗
Install Tailscale on a Mac and a VPS, SSH by name, serve a page only you can open, close every public port, and use the server as an exit node. [...]
GPT-Live 1 tutorial: build a voice agent you can interrupt 🔗
How OpenAI's full-duplex voice model works, how to use it in ChatGPT, and how to build with gpt-live-1 in the API: delegation, web search, function to [...]
Conductor alternatives after the Meta acquisition 🔗
Conductor alternatives compared: Orca, Paradev, Paseo, T3 Code, Emdash, boxes.dev, Grok Bot and the agent apps from Anthropic, OpenAI and Cursor, with [...]
The complete guide to the Chrome DevTools Protocol 🔗
Learn to drive Chrome with the DevTools Protocol from Node.js with zero dependencies: pages, clicks, screenshots, PDFs, network, and replacing Puppete [...]
I want my coding agent to do what I ask 🔗
Claude Code got a rule against recreating existing games, it misfired, and Anthropic narrowed it. I'd rather the tool did what I ask and left the lega [...]
Cloudflare Zero Wire: what it is and how to use it 🔗
Zero Wire is Cloudflare's public vulnerability feed on Radar. What a briefing gives you, the agent prompt inside it, and what it changes for a small s [...]
Run a macOS VM in your terminal for AI agents with terminal-mac 🔗
terminal-mac runs a macOS guest inside your terminal, so an agent drives that VM instead of your desktop. Install, setup, MCP tools and isolation limi [...]
The complete guide to Cursor 🔗
Learn Cursor from your first project to daily work: Agents Window, planning, visual edits, Debug Mode, models, project rules, skills, subagents, MCP, [...]
How to run SEO checks from the terminal 🔗
Run seobot from the terminal to check a site, then hand the report to Cursor or Codex with the pages and the edits ready. [...]
Tailscale alternatives for your own servers 🔗
Tailscale alternatives for a VPS: November 2026 prices, the SSH fixes, and when WireGuard, Headscale, or Cloudflare Access fits. [...]
How to move a DigitalOcean Droplet from Ubuntu to Debian 🔗
Move a DigitalOcean Droplet from Ubuntu to Debian: new server, copy the data, then switch the reserved IP. In-place conversion is unsupported. [...]
How to move a Deno app to Cloudflare Workers 🔗
Keep Deno for development while moving execution to Workers. Build a SQLite-backed Durable Object queue with alarms, retries, and safe migration steps [...]
CVE-2026-98432: check your Linux server and close public ports 🔗
CVE-2026-98432 is a Linux IPv4 TCP use-after-free. Check your kernel, treat disabling MPTCP as a stop gap, then patch and close every public port on t [...]
A deep dive into agent-desktop 🔗
agent-desktop is Vercel Labs' CLI for computer use on macOS, Windows, and Linux. Agents drive desktop apps through the accessibility tree and stable r [...]
How to use Hex for voice dictation 🔗
Hex is Anomaly's local voice dictation app for Mac, Windows, and Linux. Hold the shortcut, speak, and the transcript pastes into the focused text fiel [...]
The complete guide to doctl, the DigitalOcean CLI 🔗
Learn doctl with practical tutorials for Droplets, firewalls, DNS, databases, App Platform, Kubernetes, storage, Functions, AI services, and automatio [...]
Why parallel coding agents can make your Mac work harder 🔗
Diagnose file churn from parallel coding agents on a Mac, reduce unnecessary watchers, and decide when a separate APFS volume makes sense. [...]
How Claude Code mods change the agent loop 🔗
Build a small Claude Code mod that pauses Bash calls for an explicit decision. Understand event handlers, fail-closed behavior, and the limits of prev [...]
What to do when an AI tool exposes your provider keys 🔗
Respond to exposed AI provider keys: revoke the credentials at their source, inspect usage, replace shared access, and distinguish alerts from hard li [...]
How to package and publish an OpenCode plugin 🔗
Package an OpenCode v2 plugin for npm, inspect the tarball, test it in a clean consumer project, and prepare a public release with clear compatibility [...]
How to run an LLM locally on macOS, Linux, and Windows 🔗
Explore the ways to run LLMs locally on macOS, Linux, and Windows: desktop apps, terminal tools, browser models, libraries, and self-hosted servers. [...]