I explore AI agents, harness & loop engineering. Author of loop-engineering (11.5k★). cobusgreyling.com
Practical patterns, starters & CLI tools for loop engineering with AI coding agents. Design systems that prompt and orchestrate agents (inspired by Addy Osmani and Boris Cherny). Includes loop-audit, loop-init, loop-cost.
Own the Outer Loop. Evidence → Verdict → Answerability. Governance layer for agentic engineering.
Unofficial TypeSafe Jev showcase — System One decisions, not chat.
Three approaches to building AI Agents with Claude — SDK, Markdown, and Teams
Personal collection of Agent Skills for AI coding agents (Claude Code, Gemini CLI, Cursor, Codex, etc.)
Runnable showcase of the OpenShell egress-budget proof of concept
Composable harness runtime for production agents — primitives, traces, evolution, outerloop governance.
Minimal Agent Harness — Six harness components demonstrated with NVIDIA Nemotron 3 Super
The engineering kit for Grok Bot templates. Spec, Bot Ready score, teams, skills, routines, and a catalog you can paste into Grok Bot today.
What Andrej Karpathy learnt — a distilled field guide
Introducing Muse Glimmer: open-weight 30B agentic multimodal model that runs on your device (Meta). Interactive local agent lab + guide. Apache 2.0 · on-device AI · function calling
Practical reference for fleet engineering, governing populations of AI agents with accountability
A compounding knowledge base maintained by LLM agents — inspired by Karpathy's LLM Wiki pattern
The canonical reference for Grok Build CLI /goal — run-until-done objectives, patterns, verifier skills, and goal-audit CLI.
4 viral-grade experiments built on xAI Grok: brutal voice roasts, canonical realtime voice client, voice-driven image gen, and the best X thread generator
OpenAI-compatible proxy that routes requests to the best NVIDIA NIM model by task
Amazing CLI utilities for Grok Build by Cobus Greyling. 7 power tools: sessions, skills, backup, usage, mcp, worktree, memory.
NVIDIA Nemotron 3 Ultra showcase — interactive demos and benchmarks
ClassAct — inspect, run, watch, and build NVIDIA Object-Oriented Agents on Nemotron NIM
Step through GRPO: toy softmax, verifiable rewards, outer-loop agent, optional LoRA GRPO on Qwen2.5-0.5B
HITL RFT: preference pairs, toy DPO, web grading GUI, iterative DPO, optional LoRA on Qwen2.5-0.5B
Long-term memory layer for AI agents
Runnable illustrations of Assistant (on-behalf-of) vs Claw (fixed-identity) agent authorization
Markdown memory hygiene for agent wikis, trust decay, context packing, and archive gc
What is NVIDIA SpatialClaw? Simple explainer blog + conceptual demo of code as the action interface for spatial reasoning.
Zero-dependency Python graph runtime for agent loops · Mermaid + ASCII · LangGraph energy, bicycle size
Nemotron 3 Embed — NIM semantic search wow demo (nvidia/nemotron-3-embed-1b)
Interactive live lab for Grok Voice Think Fast 2.0 — offline demo, reasoning high vs none A/B, speech-to-speech Realtime
Local macOS meeting assistant — record, WhisperKit live transcripts, calendar, and xAI Ask