Daily reading · SUNDAY · OCT 11

ReadingRadar

Gamedev, procedural generation, sims, Unity, AI tooling, space and books. 21 picks today from 48 sources, scored for me by Claude, refreshed every morning. RSS feed · Back to the blog

Today

// 21 PICKS
Yeachan-Heo/oh-my-claudecode

A multi-agent orchestration layer for Claude Code, aimed at team-style workflows, with related Codex variants and a lighter alternative.

New Claude Code tooling you could try directly.

Ad Lumens - Procedural ship generation

Videos and a devlog on procedurally generating ship exteriors and interiors from seeded, player-defined loadouts in Ad Lumens.

Procedural space content generation, near your space tycoon interests.

Proof of concept thing

A short demo of a procedurally generated tile map using 47-mask rule-based tile blending.

Tilemap procgen, but minimal detail.

MiniMax-AI/skills

MiniMax's collection of skills for AI coding agents covering frontend, fullstack, mobile, and shader development.

Agent skills tooling, with shader coverage; may be reusable.

SmartlyDressedGames/U3-SDK

Source code release of Unturned, a free zombie survival sandbox, built on Unity 2022.3.

Real shipped Unity codebase to study, though the genre is off-interest.

Dwarf Fortress uses version control now

Simon Willison notes that Dwarf Fortress now uses version control, after Tarn Adams long avoided it, and quotes his earlier statements.

Dwarf Fortress and git workflow trivia, both on your interests.

Thoughts on my penguins?

A developer shows a Unity animal behavior system, Living Mind, driving penguins, wolves, whales and tortoises from a single scene brain.

Unity animal behavior sim, close to your boids and ecosystem work.

Saturday · Oct 10

// 25 PICKS
Anybody using the Unity CLI?

Reddit thread asking whether anyone uses Unity's new CLI, with CI pipelines as a suggested use.

Unity tooling and CI relevance, though it's a thin discussion.

My PCG tool deserved a small promo video

Release video for OctoShaper v1.2, a Unity graph-based PCG tool that adds procedural meshes, colliders, shader property forwarding and async graphs.

New Unity procedural generation tooling, though partly self-promotion.

also on r/Unity3D
Why Are Coding Agents So Dumb?

Lobsters link to a discussion piece asking why coding agents perform poorly; the snippet shows no content.

Coding-agent topic, but the substance is unclear.

headroomlabs-ai/headroom

Headroom is a library, proxy and MCP server that compresses tool outputs, logs and RAG chunks before they reach the LLM, claiming 20% fewer tokens for coding agents.

Practical agent tooling with MCP that could cut Claude Code costs.

tirth8205/code-review-graph

A local code knowledge graph served over MCP and CLI so AI coding tools read only the relevant code, with benchmarked context reductions.

New MCP tool for agentic coding workflows.

solarpunk city building game

Demo of a cozy solarpunk city builder that procedurally populates and decorates buildings and vegetation.

Procedural city building, which is your core interest.

REA Reverse – Engineer Anything

A Hacker News-popular site called REA, pitched as a tool to reverse-engineer anything; the snippet gives no details.

Possibly a new tool, but the content is unclear.

sourcegit-scm/sourcegit

SourceGit is an open-source cross-platform C# Git GUI client with a visual commit graph and themes.

A C# git tool that fits your git-workflow interest.

The Big Idea: Dmitri Lincoln Melhorn

Scalzi's Big Idea feature on Dmitri Lincoln Melhorn's novel Archipelago of Light, about what a new generation does with the future after collapse.

Sci-fi Big Idea post, but it appears to be YA-leaning.

Friday · Oct 9

// 26 PICKS
Procedural suburbs for my road builder: lots fill fence to fence along any curved street, and the whole save state is one number per district

A dev shares procedural suburb generation for a city-growing road builder, where lots fill along curved streets and save state is one number per district. Notes on making layouts deterministic so growth doesn't reshuffle houses.

Procedural city generation with deterministic seeds and compact save state.

Tower of Insults - Procedural destruction

A short clip of runtime destruction for a procedural build system, using cascade tolerances for individual stones. Timber structures are next.

Procedural systems, but light on detail and less relevant.

Bevy 0.20

Release announcement for Bevy 0.20, the Rust game engine.

Game engine release, but not Unity/C#.

AssetRipper/AssetRipper

AssetRipper is a GUI tool for analyzing Unity game files. It can find accidentally included assets, convert assets, and find broken references, and supports up to Unity 6000.4.

Unity tooling useful for auditing builds.

ttok 1.0

Simon Willison releases ttok 1.0, a token-counting CLI, now defaulting to the GPT-5/6 tokenizer.

Small LLM CLI tool release from a favored source.

microsoft/agent-framework

Microsoft Agent Framework is an open framework for building and orchestrating AI agents and multi-agent workflows in Python and .NET.

Agent tooling with .NET support, but generic.

CursorTouch/Windows-MCP

Windows-MCP is an MCP server that lets AI agents control Windows, including files, apps and UI interaction.

MCP tooling that could help agent workflows.

openai/codex-security

OpenAI's Codex Security is a CLI and TypeScript SDK for scanning repos for vulnerabilities, validating them and fixing them.

New agentic dev tool, though security-focused.

Thursday · Oct 8

// 28 PICKS
Claude Haiku 5.5

Anthropic released Claude Haiku 5.5, a fast low-cost model priced at $0.10/$0.50 per million tokens up to 100k tokens, matching GPT-6 Luna.

Notable Claude model release relevant to agent tooling.

also on Latent Space
Docker Agent

Docker released an open-source Docker Agent project on GitHub, drawing a large HN discussion.

New agent tooling worth a look.

jujutsu (jj) 0.46.0

Release 0.46.0 of jujutsu (jj), the Git-compatible version control system.

Relevant to git workflows and dev tooling.

my thoughts on AI coding

Freya Holmér shares her views on AI coding, drawn from a longer livestream conversation.

Respected graphics dev's take on AI coding, though opinion.

houdini to unity

Small Houdini HDAs for building maps in Unity, driven by base curves as guides.

Procedural map tooling for Unity.

icsharpcode/ILSpy

ILSpy, the open-source cross-platform .NET decompiler and assembly browser, is trending on GitHub.

Useful C# tool for inspecting assemblies, including Unity's.

microsoft/markitdown

Microsoft's MarkItDown is a Python tool that converts office documents and other files to Markdown.

Handy utility for feeding documents to LLMs.

vercel/eve

Vercel's eve is a filesystem-first TypeScript framework for durable AI agents, with instructions, tools and config in conventional folders.

New agent framework, TypeScript, worth evaluating.

Beta: Intent

Intent is a beta CLI for shipping and maintaining agent skills.

New CLI for Claude-style skills tooling.

Anti-Patterns in Software Blogging

Simon Willison highlights Michael Lynch's writing advice on software blogging, such as avoiding meandering intros and over-linking instead of explaining terms.

Useful for your technical dev blog.

Wednesday · Oct 7

// 30 PICKS
backnotprop/plannotator

Plannotator is an open-source tool for visually annotating coding agent plans and diffs and sending feedback back to agents in one click.

New agent-workflow tool you could use with Claude Code.

llm-openai-decisions 0.1a0

Simon Willison released an LLM plugin for OpenAI's new Decisions API, built with GPT-6 and modeled on his llm-typesafe plugin. It notes image input support and pricing.

Follow-up to llm-typesafe, which you loved; new LLM tooling.

also on Hacker News
More Biomes!

A dev shows two new biomes, a geothermal flats and a highland-like one, for the runtime procedural terrain generator in their game Elysmere.

Procedural terrain and biome generation, closely aligned.

Raytraced Audio is magical

A Unity dev replaces hand-placed audio zones with raytraced audio and reports much more convincing room acoustics.

Interesting Unity technique, though audio is peripheral to your work.

anthropics/knowledge-work-plugins

Anthropic's open-source repo of plugins for Claude Cowork, also compatible with Claude Code, that specialize Claude for roles and workflows.

Official Claude plugin repo, though aimed at knowledge workers.

omnigent-ai/omnigent

Omnigent is an open-source meta-harness that orchestrates Claude Code, Codex, Cursor and other agents with policies, sandboxing and remote collaboration.

New agent orchestration tooling relevant to Claude Code workflows.

morluto/rea

REA is an MCP server that lets agents reverse engineer apps and binaries, installed via npx.

New MCP tool for agents, though reverse engineering is niche for you.

Scrimshaw Jukebox

Simon Willison had Claude Opus 5.5 design a text music format and build a player, producing Monkey Island-style game music in an artifact.

Practical Claude experiment producing game music tooling.

Benchmark in Milliseconds

Matklad argues for benchmarking in milliseconds, with a post on benchmarking practice.

Performance craft relevant to your headless sim and perf work.

Tuesday · Oct 6

// 13 PICKS
VictorTaelin/OptMem

OptMem is a script plus a 426-token prompt that gives AI agents persistent memory. Its installer prints a Memory block to paste into AGENTS.md or CLAUDE.md.

New Claude Code-compatible agent memory tool you could install today.

tashfeenahmed/freellmapi

FreeLLMAPI aggregates free tiers from 34 LLM providers behind one OpenAI-compatible endpoint, with routing, failover and encrypted keys. It is meant for personal experimentation.

New LLM tooling that could be useful, though free-tier hacks are limited.

Quoting Felix Rieseberg

Felix Rieseberg explains that the old Claude Cowork ran inference in the cloud with tool calls in a local Anthropic VM. He says users disliked the VM's resource cost and that work stopped when the laptop closed, which the new version addresses.

Claude agent architecture details from Anthropic, relevant to agentic tooling.

Web Search API

Cloudflare's changelog announces a Web Search API. The snippet gives no further details.

Possible useful agent tool for web search, details unclear.

Qwen3.8 27B addition in words

Simon Willison reruns an experiment testing how well Qwen3.8 27B adds numbers and returns the answer in words, running locally on a DGX Spark. It repeats an earlier GPT-4o test.

Hands-on local LLM experiment from a source you like.

Monday · Oct 5

// 17 PICKS
FitzHugh Oscillator Field

A FitzHugh-Nagumo oscillator field simulation where random initial states unexpectedly form stable paired nodes and complex patterns instead of synchronizing.

Emergent pattern simulation, close to procedural generation interests.

tester-army/e2e

A TypeScript e2e testing framework where an agent pursues natural-language goals in web and mobile apps, with normal locators and assertions to check results.

New agent-driven tooling in TypeScript, though web-testing focused.

Procedural crossing of different animals

A developer experiments with procedurally combining parts of different animal meshes (pig, gorilla, hippo, cow) in low poly, inspired by Spore.

Procedural generation of creatures; relevant but a modest demo.

Tsuji - Fabrik IK implementation

A short demo of a simple procedural animation system for creatures with two or more legs, using FABRIK inverse kinematics.

Procedural animation technique, minimal detail.

Volumetric Cloud in URP

A clip of volumetric clouds running in Unity URP, with no description.

Unity rendering visual, but no technical detail given.

Claude Says

A Lobsters post titled 'Claude Says' with no description available.

Claude-related, but content unclear.

Implementing Undo

A Lobsters article on how to implement undo in software.

Useful architecture topic for editor tooling and game tools.

earthtojake/text-to-cad

A plugin that lets coding agents, including Claude Code, generate 3D models as STEP, GLB, STL or 3MF. It also does manufacturing checks and engineering drawings.

New Claude Code skill/plugin tooling; possibly usable for 3D assets.

Sunday · Oct 4

// 23 PICKS
Topographic map generator

A Unity WebGL tool that procedurally generates topographic map textures in multiple art styles, built for a roguelike's level-select screen.

Procedural map generation in Unity for a roguelike, close to ink-parchment maps.

I made my behavior tree tool free

Developer makes his Unity behavior tree tool BH3 free after weak asset store sales. It includes a debugger that records everything the tree does.

New free Unity tool with AI debugging, useful for simulation and management games.

humanlayer/skills

HumanLayer's collection of Claude Code skills, installable via npx. It includes show-me for diagrams and visual-pr for pull request outlines.

New Claude Code skills you could install and try.

getsentry/toolkit

Sentry's agentic tooling repo, including an MCP server built for coding agents like Claude Code and Cursor to debug with Sentry data.

MCP tooling for Claude Code, though Sentry is moderately relevant.

modelcontextprotocol/python-sdk

Official Python SDK for building Model Context Protocol servers and clients, with a v2 and a migration guide.

Core MCP library you could use to build tools.

pingdotgg/t3code

T3 Code is a control surface for coding agents on your machine, with mobile, web and desktop apps. It works with Claude Code, Codex, Cursor and others.

Agent harness tooling that works with your Claude Code subscription.

earendil-works/pi

Pi is a minimal, extensible agent harness with a unified LLM API, agent loop, TUI and coding agent CLI. It supports extensions, skills and prompt templates.

Customizable coding agent toolkit, relevant to agent tooling interests.

minghinmatthewlam/pi-gui

Electron desktop GUI for the pi coding agent that runs parallel sessions, each optionally in its own git worktree, with change review and a terminal.

Agent GUI with git worktree workflows, though it is a wrapper.

Procedural Space Squid

Unity developer shows a procedural space squid animated without an Animator on a character controller.

Procedural animation in Unity, near your boids and creature work.

Saturday · Oct 3

// 26 PICKS
MishMash

Voxel engine update adding multi-round heightmap erosion so rivers carve canyons whose walls follow steep-terrain rules.

Erosion and river terrain generation, core procgen interest.

The formula of shells

Video on the mathematics of shell shapes, usable to procedurally generate real or imaginary shells.

Procedural generation math, loosely useful for generative toys.

Grow and control a swarm

Lobsters link titled 'Grow and control a swarm', with no further detail. Likely a swarm or boids-style toy.

Possible swarm/boids simulation, but details are thin.

NVIDIA/SkillSpector

NVIDIA security scanner that checks AI agent skills for prompt injection, exfiltration and supply-chain risks before you install them in Claude Code, Codex or MCP.

Practical Claude Code skills tooling you could use.

thedotmack/claude-mem

Plugin that captures agent session activity, compresses it with AI, and injects relevant context into later sessions for Claude Code and other agents.

Claude Code memory tooling, directly usable.

ruvnet/ruflo

Agent harness for Claude Code and Codex offering multi-agent swarms, memory and workflow coordination.

Agent tooling, but swarm-framework hype is likely.

garrytan/gstack

Garry Tan's Claude Code setup packaged as 23 role-based tools such as designer, QA and release manager.

Claude Code workflow setup, though opinionated and hype-leaning.

Friday · Oct 2

// 22 PICKS
Procedural Structures

Showcase of a user-driven build system that procedurally constructs structures from individual stones, posts, planks and tiles, with erosion and destruction modifiers for ruins.

Procedural building generation with ruin modifiers; relevant to city generation.

Pi 1.0

Hacker News thread on the release of Pi 1.0, with a related Pi Durable link. The snippet doesn't say what Pi is; it's probably a coding agent or harness.

Possibly agent tooling, but details unclear.

KCD2 | Crime Perception Volumes

GDC Rewind highlighting a talk on supporting thousands of NPCs in Kingdom Come: Deliverance 1 and 2, including how crime perception is handled across LODs.

Systemic NPC simulation at scale with LOD; strong design fit.

AnvilCSG | Huge Update and Soon on the Asset Store

AnvilCSG, a Unity level-building CSG tool, gets a big update with better optimization and merging, occlusion baking, reworked decals and cell fracture. It supports Unity 6.0 to 6.7 and is heading to the Asset Store.

Unity 6 editor tooling, with a level optimization angle.

pardeike/Harmony

Harmony is a C# library for patching and decorating .NET and Mono methods at runtime. It's widely used in game modding, such as Rust and RimWorld.

Established C# tool that works with Unity and Mono.

Thursday · Oct 1

// 26 PICKS
IvanMurzak/Unity-MCP

Open-source MCP server, skills and CLI that connect Claude Code, Cursor and others to the Unity Editor and runtime. Any C# method can be exposed as a tool with one line.

Directly usable Unity + Claude Code tooling for your workflow.

I made a Source-style dev console for Unity.

A drop-down Source-style developer console for Unity where commands are registered via static ConsoleCommand objects in C#. Shared on GitHub.

Handy Unity debug tooling, useful for headless-ish testing of sims.

mksglu/context-mode

MCP plugin and hooks that sandbox tool output to cut context-window use for AI coding agents, claiming 98% reduction, with session memory across many platforms.

Practical Claude Code context tooling you could try.

anthropics/claude-code

Official repo for Anthropic's Claude Code, a terminal-based agentic coding tool that handles code explanation, routine tasks and git workflows.

The agent tool you already use heavily.

Gemini 4 Argon

HN thread on the release of Google's Gemini 4 Argon model, with very high engagement.

Notable model release, but little tied to your workflow.

ComposioHQ/awesome-claude-skills

A curated list of 1000+ Claude Skills and plugins for Claude Code and other coding agents, with an MCP gateway promotion.

Claude skills resource, though it's a list with vendor promotion.

github/spec-kit

GitHub's open-source toolkit giving coding agents structured spec-driven development processes and templates.

Agent workflow tooling you could adopt with Claude Code.

Sky/volumetric clouds test

A volumetric sky and cloud test in a custom Vulkan engine, based on Nubis and Frostbite approaches.

Graphics programming with useful references, outside Unity.

Perfare/AssetStudio

AssetStudio is a tool for exploring and extracting assets and asset bundles from Unity games, supporting versions 3.4 through 2022.1.

Unity tool, but old version support and a niche use.

pydantic/pydantic-ai

Pydantic AI is a typed Python agent framework supporting many models, voice, embeddings and durable execution.

New agent SDK, Python, possibly useful for tooling.

modelcontextprotocol/servers

Official repository of reference Model Context Protocol servers, pointing to the MCP Registry for community servers.

Core MCP resource for agent tooling.

ChromeDevTools/chrome-devtools-mcp

Chrome DevTools MCP server lets coding agents control, inspect and debug a live Chrome browser, with a CLI as well.

Useful agent tool, though browser-focused rather than Unity.

Wednesday · Sep 30

// 23 PICKS
I made my 3D fighting game look hand-drawn, in real time.

A Unity URP custom render pass turns 3D fighting-game models into a hand-drawn sketch look. It uses per-object normal, depth and ID buffers for outlines, hatching in shadows, and re-randomized line wobble every few frames.

Custom URP render pass; ink-on-parchment style matches your rendering interests.

Procedural Trees Rapid Growth Test For Space RTS

A quick test of procedural tree growth (thickness, height, stages, branch density) for a space RTS. The trees grow game units and take stats from asteroid resources.

Procedural growth in a space game; relevant to your generation work.

Day night cycle experiment...

A voxel engine experiment in Unity with a day/night cycle and adaptive global illumination. World streaming is currently disabled.

Unity voxel rendering and GI experiment.

Show HN: NSL – WSL for Linux

Show HN of NSL, a WSL-like experience for Linux. A single VM hosts systemd-nspawn containers for multiple distros, with file and port sharing.

New dev tool, but not aimed at Unity or agent work.

Q00/ouroboros

Ouroboros is an MCP server and agent framework with an interview-gated, staged-evaluation, budgeted evolution loop. It runs on 14 runtimes including Claude Code, Codex CLI and Gemini CLI.

New agent tooling with Claude Code and MCP support.

Tuesday · Sep 29

// 23 PICKS
Simulating a planet to generate a map for a 4X game

A 4X game's map generator builds planets in stages: tectonic plates, heat, ocean currents, and more, each feeding the next. Older planets get more eroded relief.

Systemic procedural map generation, directly relevant to your procgen and strategy work.

Sonnet 5.5

Anthropic announces Sonnet 5.5, with a large HN discussion. The snippet gives no details beyond the link.

Notable Claude model release relevant to your agentic dev workflow.

Procedural world generation

A realtime procedural world generator using Unity's BatchRendererGroup and many Burst jobs, without ECS. Panning is still somewhat slow.

Unity Burst/Jobs and BRG procedural terrain, closely matches your interests.

Poolrooms Slides

A short update adding slides to a WFC-generated 'Poolrooms' environment, with a link to the earlier post.

WFC generation, but a thin update with little substance.

microsoft/SkillOpt

Microsoft's SkillOpt trains reusable natural-language skills for frozen LLM agents. It uses trajectory-driven edits and validation gates, with no weight changes, and produces a best_skill.md file.

New agent-skill tooling, related to your Claude Code workflow.

Deterministic Concurrency

A Lobsters link to a piece on deterministic concurrency, with no description.

Deterministic concurrency matters for simulation, but the details are unknown.

alirezarezvani/claude-skills

A large collection of 380+ Claude Code skills, plugins and commands that also works with other coding agents, covering engineering, marketing and more.

Claude Code skills collection, though bulk and breadth suggest low quality.

topoteretes/cognee

Cognee is an open-source memory platform for AI agents. It builds a self-hosted knowledge graph for persistent memory across sessions.

Agent memory tooling you might try with Claude workflows.

HelpCode-ai/anythingmcp

AnythingMCP is a self-hosted gateway that turns REST, SOAP, GraphQL, OData or SQL APIs into MCP tools, with 265 connectors focused on ERP and e-commerce.

MCP tooling, though the enterprise focus limits its use for you.

Monday · Sep 28

// 26 PICKS
Prompting Claude Opus 5.5

Official Anthropic docs on prompt-engineering techniques specific to the new Claude Opus 5.5 model.

Notable model release, practical agentic tooling guidance.

modelcontextprotocol/csharp-sdk

Microsoft-backed official C# SDK for building Model Context Protocol clients and servers in .NET.

New C# tool for MCP/agent workflows, directly usable.

Mesh Booleans in Unity (Sound On)

A Unity plugin does real-time mesh boolean cuts with instant collider updates, wrapping the Manifold C++ CSG library in C#.

Unity C# rendering/geometry tool you could use.

ProwlEngine/Prowl

Prowl is an open-source MIT-licensed 3D game engine in pure C#/.NET with a Unity-like API and editor.

C# engine tooling relevant to Unity engineering interest.

pacifio/atlas

Atlas is a new source-control tool that tracks multiple coding agents' sessions, prompts, and changes in one place.

New agentic dev tooling, exactly the kind wanted.

freemocap/freemocap

freemocap is an open-source markerless motion capture toolkit using standard webcams.

Tangential tool, not core Unity/procgen/agent focus.

1 million of ragdoll

A dev stress-tests their strategy game engine by rendering a million cheap ragdoll units alongside optimized unit rendering.

Unity performance engineering for large-scale sim rendering.

2026 in LLMs (so far)

Simon Willison's keynote recap traces the major LLM developments and trends throughout 2026 so far.

Overview of AI/agent tooling trends from a trusted source.

Bluesky reply bot checker

Simon Willison vibe-coded a tool with Opus 5.5 to detect automated reply bots swarming his Bluesky posts.

New LLM-built tool discovery, matches your loved item.