How to use GPT-6.1 Sol 🔗
How to use GPT-6.1 Sol in Codex, ChatGPT Work and the OpenAI API, with pricing, reasoning effort, prompt caching and a Node.js code review script. [...]
Flavio Copes
Posts
I built Skillscout, a Mac app for the skills your coding agents load 🔗
Skillscout is my free, open source Mac app that finds every agent skill on your Mac, shows which of 8 coding agents load each one, and counts how ofte [...]
How to use the unslop skill 🔗
The unslop skill removes AI writing tells from text. Learn where it comes from, why pstack includes it, and how to run it in Cursor, Claude Code and C [...]
How to use Jev with Python 🔗
How to use Jev with Python: install typesafe-sdk, ask Choice, Score and Noul questions, read the probabilities, and classify a whole CSV with asyncio. [...]
I built Soundscape, a mixer for the Background Sounds on your Mac 🔗
Soundscape is my free, open source Mac app that plays the Background Sounds built into macOS together, each at its own volume, from a window or the me [...]
Things I let coding agents do unattended, and things I never do 🔗
Which tasks I hand to a coding agent and walk away from, which ones I never let it do alone, and the guardrail I use for each: hooks, sandboxes, PRs, [...]
A deep dive into OpenAI dots 🔗
OpenAI dots are always-on ChatGPT agents with their own cloud computer. How to set one up, give it work, connect apps and Codex, and control what it d [...]
How to stop X from turning a domain into a link 🔗
To stop X from turning a domain into a link, put an invisible zero-width non-joiner (U+200C) after the dot. How to type it, and where it fails. [...]
I built NoteRepo, a quiet daily notes app for macOS 🔗
NoteRepo is my free, open source daily notes app for macOS. It opens on today, keeps your notes in a local SQLite file, and has no accounts. [...]
What $10,000 a month in sales costs you on each payment provider 🔗
Payment provider fees on one $10,000 month: Creem, Paddle, Polar, Lemon Squeezy, Dodo Payments, Gumroad and Stripe with Stripe Tax. The math and each [...]
How to use Jev in Node.js 🔗
How to use Jev in Node.js with the official TypeSafe SDK: install it, ask Noul, Choice and Score questions, handle errors and retries, and build a ful [...]
The MCP servers connected to my editor, and the ones I actually use 🔗
An honest inventory of the 22 MCP servers connected to my Cursor setup: the two I use every day, the ones that do one job, and the ones that just sit [...]
Where to run Postgres or SQLite for a side project: 10 options and what each costs 🔗
Supabase, Neon, Turso, Cloudflare D1, Railway, Fly.io, DigitalOcean, Prisma Postgres, PlanetScale and plain SQLite: free tiers, first paid step and ca [...]
How much does Jev cost? 🔗
Jev costs $0.042 per million input tokens and output is free. How billing works, how to estimate a workload, rate limits, Vercel pricing and LLM compa [...]
The 10 fundamentals still worth learning when AI writes the code 🔗
Ten programming fundamentals that still matter when coding agents write the code: what each is, how an agent gets it wrong, and the free course that t [...]
The CLI tools I use every day 🔗
The command line tools I use every day on my Mac: Ghostty, fish, zoxide, tmux, jq, SSH, Git, gh, Wrangler, gitleaks, coding agent CLIs, and the CLIs I [...]
Which AI model is best for coding? A hands-on comparison 🔗
Which AI model is best for coding? Claude Opus 5.5, Fable 5.1, GPT-6.1 Sol, Grok 4.7 and open models compared, plus a test you can run on your own cod [...]
How to get access to Jev and an API key 🔗
How to get access to Jev and a TypeSafe API key: sign in to the console, create and store the key, test it with curl, fix 401 and 422 errors, or use V [...]
How to use Cloudflare Worker Previews 🔗
Cloudflare Worker Previews give every Git branch its own URL, settings and Durable Object storage. How to create one with wrangler preview and what to [...]
The Linux commands I actually needed to run a server this year 🔗
The Linux commands that mattered when my Ubuntu servers broke in 2026: df, du, journalctl, free, ss, ufw, fail2ban, apt, with real output and what I d [...]
A deep dive into Pi 🔗
Pi is a minimal open source coding agent for the terminal. Install it, pick a model, extend it with TypeScript, and compare it with Claude Code and Co [...]
The complete guide to Cloudflare Quick Tunnels 🔗
Put localhost on the internet with one cloudflared command. How quick tunnels work, what your app sees, webhooks, dev servers, local LLMs, scripts, li [...]
The complete guide to Cloudflare Tunnel 🔗
Run a site or app from a home machine on your own domain with no open ports: named tunnels, the dashboard and CLI paths, ingress rules, running as a s [...]
Every hosting provider's free tier, side by side (checked September 2026) 🔗
Hosting free tiers compared: Cloudflare, Vercel, Netlify, Render, Railway, Fly.io, Heroku, AWS, Google Cloud, Azure and VPS hosts, checked September 2 [...]
How AI models are measured and compared 🔗
How AI companies measure and compare models: benchmarks like CursorBench, SWE-bench and Terminal-Bench, Elo scores, cost per task, and a small eval yo [...]
How to build a terminal app people can SSH into 🔗
Build an app people can ssh into, like the superlogical.jobs board: how SSH apps work, the Go and Node.js stacks behind them, hosting, and more sites [...]
The stack I use to run this blog, 2026 edition 🔗
How I run flaviocopes.com in 2026: Astro, Tailwind, Cloudflare Pages, and the small services around a folder of Markdown files. [...]
A deep dive into fx 🔗
fx is Vercel Labs' coding agent, a small Zig binary. Run it in the terminal, call it from scripts, or embed the same agent in an app. [...]
Slop grenades 🔗
Slop grenades are AI-generated emails, messages, and pull requests sent without review. The output is fast, but someone else has to check it. [...]
12 CSS features you can use today with no build step 🔗
Modern CSS features that replace Sass, PostCSS plugins and JavaScript hacks: nesting, :has(), container queries, subgrid and more, checked in Septembe [...]