The portfolio directory for projects built with Claude Code.
Folio of the Week
Trending this week
refraktd
Rate the political lean and reporting quality of every news article.
Sonora
A local music player with synced karaoke lyrics for the music you already own.
ReadItSoon
Save any article to your Kindle in one click.
Claudefolio
A directory for sites built with Claude Code, where every project starts at zero votes and nobody gets hunter privileges.
AI Jewelry Designer — Joyería HAGO
A 1970 artisan jeweler built its own AI design tool with Claude: describe an idea, we engrave it on sterling silver.
From the blog

Anyone can build a platform now. Almost nobody can get people to find it.
I want to start this post with an admission that's a little uncomfortable, which is that the platform I built specifically to help other people solve their distribution problem is itself struggling with exactly the same distribution problem I built it to solve. ClaudeFolio is live, the submissions feature works, the upvoting works, the design is clean, and the rules are exactly the rules I wanted them to be. The only thing missing is the part where lots of people know it exists. And that part, as I'm learning the hard way, is the part that actually matters...

Why Powerful Open Models Can Be Dangerous in the Wrong Hands
Reuters is keeping a running list of companies breached this year, and it's long. Safety training is a layer that comes off, published weights can never be recalled, and most of those breaches started with a person being tricked. The case for a real line on open release.

Claude Opus 5 Is Here: Near-Fable Power at Half Price, and the Babysitter Came Too
Opus 5 launched today with near-Fable intelligence at half the price and the best everyday specs Anthropic has ever shipped. It also inherited Fable 5's safety-classifier babysitting, silent fallbacks to Opus 4.8 included. The 85 percent improvement claim is now the number to hold them to.
Latest approvals
AI Jewelry Designer — Joyería HAGO
A 1970 artisan jeweler built its own AI design tool with Claude: describe an idea, we engrave it on sterling silver.
Sonora
A local music player with synced karaoke lyrics for the music you already own.
ReadItSoon
Save any article to your Kindle in one click.
refraktd
Rate the political lean and reporting quality of every news article.
Guides

Claude Code in CI: headless mode, the Agent SDK, and GitHub Actions
Everything you do in the interactive terminal, Claude Code can also do unattended. Three ways to run it in a pipeline: the headless CLI (claude -p), the Agent SDK, and the official GitHub Action. Same engine, three entry points, one set of cost and permission rules to get right.

Claude Code settings, hooks, and permissions: making the tool yours without losing the guardrails
The configuration surface that turns Claude Code from a useful default into a tool genuinely shaped to your workflow. Settings files, the permission rule system, when to use hooks vs CLAUDE.md vs skills, and the patterns that survive long-term.

Custom slash commands and MCP servers: extending Claude Code without writing your own tool
The two main ways to extend Claude Code are skills (custom slash commands you write in markdown) and MCP servers (external services that expose tools to the model). Most users discover these too late. Here's the honest guide to when to reach for each.
Non-dev builds spotlight
Shipped by people without engineering backgrounds