Creating Custom 3D Avatars with Runek

A whole 3D person, face to shoes, with no model file, no textures and no rig to import. It's a handful of plain JSON props. Here's how Runek's Person works, how to dress one up, and how to build a small character creator that saves the look and walks it around your world.

13 min read · October 21, 2026

Give Your Agent a Sandbox

An LLM that writes code is only useful if it can run the code. Handing it your shell is one answer,...

August 21, 2026 · 24 min read

Agents Are Jobs, Not Services

A resident agent idling at 2GB of RAM is nothing, expensively. Most of the agent work people...

July 26, 2026 · 4 min read

Lessons from Building an Agent Harness for Local Models

The loop, the context juggling, the per-model prompt formatting, the tool calls. Here is what...

June 24, 2026 · 18 min read

World-Building with WASM

A walkable browser world needs something to generate it, something to draw it, and something to make...

June 8, 2026 · 7 min read

Controlled Chaos

I've a love hate relationship with rules. They give me a map, but they also draw the walls. This is...

April 26, 2026 · 6 min read

Writing Your Own Claude Plugin and Shipping It to the World

Claude Code has a plugin system now. Build a plugin, push it to GitHub, list it on AgentHub, and...

April 20, 2026 · 19 min read

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