news

2026-05-20 New filtered RSS feeds on dsebastien.net

For a long time my site effectively had a single RSS feed: the one at /rss/. It worked, but it forced an all-or-nothing choice: subscribe to everything I publish, or nothing.

Creating custom filtered RSS feeds in Ghost

A Ghost site looks like it has a single RSS feed (the one at `/rss/`), but it actually exposes many, and you can add your own filtered feeds on top. This note captures the process so I can explain it to others.

Artificial Analysis

Artificial Analysis is an independent benchmarking and comparison platform for AI models and inference providers. It tracks frontier models across providers like OpenAI, Anthropic, Google (Gemini), Meta, DeepSeek, Mistral, and xAI; scoring each on quality, speed (tokens/sec), latency (time-to-first-

Google Antigravity

Google Antigravity is Google's agentic development platform, given its first major platform release at Google I/O 2026 (19 May 2026). It is built around a single agent harness exposed through four surfaces:

2026-05-19 New AI Skills - Country, City, and Landmark Image Generators

A school teacher needed hero images for a school fair: countries, cities, landmarks. I spent an afternoon turning the prompts I converged on into two reusable AI skills and pushed them to GitHub so anyone can grab them.

Ghost Publish plugin for Obsidian

A plugin that publishes notes from an Obsidian vault to a Ghost blog, with reusable presets for tags, newsletters, and frontmatter conventions.

Fireworks AI Fire Pass

Fire Pass is a $49/month early-access subscription from Fireworks AI that gives unlimited access to Kimi K2.6 Turbo through a dedicated API key. No per-token billing on that model; full 256k context window; standard per-token pricing still applies to every other Fireworks model.

Obsidian Starter Kit v4 Improvements since 4.0.0

Since shipping v4.0.0 two days ago, I've pushed three patch releases in quick succession: v4.0.1, v4.0.2, and v4.0.3.

Oh My OpenAgent

Oh My OpenAgent (omo) is an agent-orchestration harness built on top of OpenCode; it coordinates multiple specialized agents to handle complex development work end-to-end with limited supervision. It was previously called oh-my-opencode.

Plannotator

Plannotator is an open-source review surface for AI coding agents; it lets you annotate the agent's plan before execution and review the resulting diff in a PR-style interface, then send structured feedback back to the agent with one click.

OpenChamber

OpenChamber is an open-source desktop and web interface built on top of OpenCode; it packages the agent harness into a multi-surface workspace for "engineering with agents".

Claude Code Agent View

Agent view, opened with `claude agents`, is one screen for dispatching and managing many background Claude Code sessions. Each row shows what a session is doing, what it needs, or what it produced — without scrolling through transcripts. Requires v2.1.139+, the release that introduced it on 2026-05-