Working Notes on Agent Systems/Brad Zhang

Topic desk

AI-Native Workbenches

Which AI workflows deserve to become reusable skills instead of staying as one-off prompts?

The workbench thesis is that useful AI work will be assembled from small, inspectable capabilities that can be updated, combined, and handed off across teams.

Live source unreachable; showing the most recent snapshot.

Longform

All longform

The Agent's memory should not be stuffed into the context window

When many people discuss coding agents such as Codex and Claude Code, their first reaction is model capabilities: whether they can read code, correct bugs, and...

Jul 17, 2026 · 8 min read

Anthropic’s 85-minute Fable 5 workshop explains how to implement the next generation AI Agent

Video entrance Opening keynote: https://www.youtube.com/watch?v=GMIWm5y90xA The capability curve: https://www.youtube.com/watch?v=tP4MGcJ80Y0 How to get to production...

Jul 8, 2026 · 18 min read

After pre-training, what does the next training paradigm for AI look like?

Source Original video: What does the next training paradigm look like? Channel: Dwarkesh Patel Link: https://www.youtube.com/watch?v=20p5-kQXF_Q Start In this video, Dwarkesh Patel

Jul 2, 2026 · 15 min read

Let's say you're the head of technology at a technology company. Last year, you used GraphRAG to build an

Let's say you're the head of technology at a technology company. Last year, you used GraphRAG to build an internal knowledge base and used 20,000 contracts to do PoC. The...

Jun 17, 2026 · 17 min read

How to burn token series? (1) Use Dynamic Workflow to let 100+ agents work in parallel

If you look at the picture below, it should basically cover the daily usage scenarios of ClaudeCode or Codex partners. These are some intermediate processes of a website...

Jun 15, 2026 · 4 min read

Pi Agent = customizable coding harness / agent workbench Pi Agent can be understood as a minimalist, self-transformable terminal coding agent harness.

Pi Agent = customizable coding harness / agent workbench Pi Agent can be understood as a minimalist, self-transformable terminal coding agent harness. It is not a general orches...

Jun 2, 2026 · 2 min read

Asynchronous Agent Era: From Code Assistant to Software Factory

I have reorganized the content of this podcast of Latent Space. It is worth taking a look at the in-depth discussion and sharing related to asynchronous Agent. I also...

May 31, 2026 · 22 min read

My exploration and practice sharing in the past two months: Minimum engineering closed loop for long task Agent

A picture shared by engineer Claude accurately describes the three most common problems of long-task agents: the inability to keep track of the state, the inability...

May 25, 2026 · 27 min read

After Sonnet 3.5 came out, both Anthropic and users found that its coding capabilities...

After Sonnet 3.5 came out, both Anthropic and users found that its coding capabilities were particularly strong, and an adventure based on coding capabilities began. The concept...

May 25, 2026 · 2 min read

The main line of Agent development in 2026: moving from Agent Framework to Agent Runtime.

The main line of Agent development in 2026: moving from Agent Framework to Agent Runtime. The most obvious change in 2026 is that the Agent technology stack begins to be layered...

May 22, 2026 · 2 min read

FSD enters China: Autonomous driving begins to fight the "long-tail war". After China is included in Tesla's

FSD enters China: Autonomous driving begins to fight the "long-tail war". After China is included in Tesla's FSD Supervised country list, the focus of autonomous driving...

May 21, 2026 · 5 min read

There are more than a hundred and five thousand subscriptions. I don't know if there wi...

There are more than a hundred and five thousand subscriptions. I don't know if there will be any surprises when I wake up. I often write in advance to celebrate the 5k subscript...

May 19, 2026 · 2 min read

Using the WeChat CLI recommended by Arbor Teacher, I tried a reading method that is very suitable for technicians.

Using the WeChat CLI recommended by Arbor Teacher, I tried a reading method that is very suitable for technicians. Let Codex see what I'm really doing during this time...

May 17, 2026 · 2 min read

How should you combine goal and display using subagent for codex? along with their technical principles and

How should you combine goal and display using subagent for codex? along with their technical principles and some typical scenarios. goal is responsible for “what exactly is...

May 16, 2026 · 4 min read

A Harness Engineering Best Practices case completed in collaboration with Codex. Today, the friends saw that

A Harness Engineering Best Practices case completed in collaboration with Codex. Today, the friends saw that Codex was about to reset the quota again, so they adjusted...

May 16, 2026 · 2 min read

HTML might be the real interface of the agent era. Markdown is great for notes. But age...

HTML might be the real interface of the agent era. Markdown is great for notes. But agents do not just need notes. They need interfaces they can understand, manipulate, simulate...

May 9, 2026 · 2 min read

It is highly recommended that you read this long article written by Thariq, a core member of ClaudeCode: he brings an interesting perspective.

It is highly recommended that you read this long article written by Thariq, a core member of ClaudeCode: he brings an interesting perspective. HTML is the real working interface...

May 9, 2026 · 2 min read

This development brother has open-sourced a job-seeking artifact with technical content.

This development brother has open-sourced a job-seeking artifact with technical content. The 🏷️core competencies are: AI empowerment. The whole process of job-seeking can...

May 8, 2026 · 3 min read

What is the limit of long Agent tasks? What I gained after running the codex goal for m...

What is the limit of long Agent tasks? What I gained after running the codex goal for more than ten hours. I have also thought about this problem before. Is a simple agent loop...

May 3, 2026 · 3 min read

Try this cli radio, you can listen to music, podcasts and news while vibe coding. Why d...

Try this cli radio, you can listen to music, podcasts and news while vibe coding. Why do you want to do this? The reason is very small, just want to make some sound when writing...

May 3, 2026 · 3 min read

Codex can actually not only do coding, but can also be used as a training partner! Try the following:

Codex can actually not only do coding, but can also be used as a training partner! Try the following: 1. First define "real mastery". Don't regard "understanding" as mastery. Fo...

Apr 29, 2026 · 4 min read

I spent one night testing a set of Codex + skill action short film workflow using SeedDance 2.0 API.

I spent one night testing a set of Codex + skill action short film workflow using SeedDance 2.0 API. The goal is not to make a "moving picture", but to make a continuous...

Apr 25, 2026 · 4 min read

This direction is interesting: Skill +RAG The core pain point of the traditional search-enhanced generation

This direction is interesting: Skill +RAG The core pain point of the traditional search-enhanced generation (RAG) system is the persistent failure that cannot be solved...

Apr 21, 2026 · 3 min read

Thank you for your recognition and feedback. I quickly updated the third version. This...

Thank you for your recognition and feedback. I quickly updated the third version. This version is already very stable and I am quite satisfied. It is highly recommended that eve...

Apr 12, 2026 · 2 min read

🔄 Fireworks-tech-graph major version update! Thanks again to @berryxia and all my frie...

🔄 Fireworks-tech-graph major version update! Thanks again to @berryxia and all my friends for their support. More than 100,000 exposures were made in one day. I didn’t do anyth...

Apr 11, 2026 · 2 min read

One of the most annoying things about writing technical articles: drawing pictures. The...

One of the most annoying things about writing technical articles: drawing pictures. The structure that is very clear in my mind is always misaligned, the color is ugly, and the...

Apr 10, 2026 · 1 min read

Just shipped: fireworks-tech-graph 🔥 Stop writing Mermaid DSL. Stop clicking around Ju...

Just shipped: fireworks-tech-graph 🔥 Stop writing Mermaid DSL. Stop clicking around Just describe your system in plain English → get a publication-ready SVG + PNG diagram in se...

Apr 10, 2026 · 1 min read

Fireworks-skill-memory major update! ! I received a lot of feedback after I posted it last time. I launched

Fireworks-skill-memory major update! ! I received a lot of feedback after I posted it last time. I launched v4 today and fixed several real problems I found after using...

Apr 5, 2026 · 3 min read

Why is this Harness open source project worth using? Claude Code's Skill ecosystem is r...

Why is this Harness open source project worth using? Claude Code's Skill ecosystem is rapidly expanding (official plugin marketplace + community skill). But "Claude can't rememb...

Mar 28, 2026 · 2 min read

A Harness engineering practice, I open sourced it! It’s quite interesting. After using...

A Harness engineering practice, I open sourced it! It’s quite interesting. After using Claude Code for two months, I discovered a crazy problem: it keeps making the same mistake...

Mar 27, 2026 · 2 min read

that's right Andrey, I'm an architect. Base on my expreince: The most difficult part of...

that's right Andrey, I'm an architect. Base on my expreince: The most difficult part of building software applications is orchestrating various services: account systems, paymen...

Mar 26, 2026 · 1 min read

Agency > Intelligence, Claw Agent is just the transition and beginning

A post that Andrej Karpathy reposted from Garry Tan (YC CEO) in February 2025 went viral some time ago. Elon Musk wasted no time and grabbed a sofa: This is Garry Tan’s original...

Mar 25, 2026 · 2 min read

Sora's departure is a good thing for OpenAI and AI entrepreneurs. Big companies do big things! I just woke up

Sora's departure is a good thing for OpenAI and AI entrepreneurs. Big companies do big things! I just woke up in the morning and saw that a group of friends had...

Mar 24, 2026 · 2 min read

Why do many claude code query tasks require the use of file search commands? Is there no other better way? I

Why do many claude code query tasks require the use of file search commands? Is there no other better way? I asked CC this question, and it gave me a very detailed answer...

Mar 23, 2026 · 2 min read

🎬 Why I built Media Downloader for Claude Code — and why it's different from everything else out there.

🎬 Why I built Media Downloader for Claude Code — and why it's different from everything else out there. The problem: Getting stock images and videos is TEDIOUS. Open browser →...

Jan 20, 2026 · 2 min read

With this skill, you no longer need to manually search for picture websites, and no longer need to copy and paste links!

With this skill, you no longer need to manually search for picture websites, and no longer need to copy and paste links! ! Just say one sentence: "Help me download 10 xxx pictur...

Jan 20, 2026 · 3 min read

Experience sharing of using ob + claudian + palywright-skills + ob-skills + general-purpose-skills to generate visual logs

At one o'clock in the morning, I stared at the Canvas file just generated in Obsidian, feeling a little dazed. Figure 1: Automatically generated visual log...

Jan 14, 2026 · 10 min read

ClaudeCode Common Function Manual

📚 Core commands 📋 Command cheat sheet Command icon describes the frequency of use in one sentence /help🆘View the help document⭐⭐⭐⭐⭐ /clear🧹Clear the...

Jan 9, 2026 · 9 min read

A historic moment for the world's first large model listed company. On January 8, 2026, as the world's first

A historic moment for the world's first large model listed company

Jan 7, 2026 · 17 min read

Desire, inferiority and jealousy can destroy loved ones and family ties

During my free time during the holidays these days, I watched a few episodes of "The Chess Player" played by Brother Baoqiang. His acting skills are as good as ever. He is dress...

Jan 7, 2026 · 4 min read

I suggest you all listen to this issue. I have briefly summarized the following points:...

I suggest you all listen to this issue. I have briefly summarized the following points: 🏷️About the underlying understanding of AI and Agent (suitable for showing depth) About...

Dec 30, 2025 · 3 min read

With this Orange article, I will continue to share some content about ClaudeSkill and MCP to attract some traffic, haha.

With this Orange article, I will continue to share some content about ClaudeSkill and MCP to attract some traffic, haha. Analysis of the core features of Claude Skills....

Dec 29, 2025 · 5 min read

Today I was hit by Andrey Karpathy’s short article. I actually understand it very well and have thought about

Today I was hit by Andrey Karpathy’s short article. I actually understand it very well and have thought about the following points: 1. The higher you are at the top of human soc...

Dec 27, 2025 · 2 min read

It seems that there will be many products and forms of agent in 2025. Why does it seem...

It seems that there will be many products and forms of agent in 2025. Why does it seem that only coding agent has emerged? One perspective is: Is AI Agent a technical term or a...

Dec 16, 2025 · 2 min read

Dream Back to 2000 Series --Linkin Park! Prompt: A detailed, atmospheric photograph cap...

Dream Back to 2000 Series --Linkin Park! Prompt: A detailed, atmospheric photograph capturing a dark, angsty basement setup scene from the early 2000s hybrid theory era. The foc...

Dec 4, 2025 · 1 min read

Prompt: A 2K resolution contact sheet, arranged in a 3x5 grid of 15 individual film frames, representing the complete second episode of an action-comedy series.

Prompt: A 2K resolution contact sheet, arranged in a 3x5 grid of 15 individual film frames, representing the complete second episode of an action-comedy series. **[Characters &...

Nov 30, 2025 · 2 min read

Prompt: A 2K resolution contact sheet, arranged in a 3x5 grid of 15 individual film frames, representing the complete first episode of an action-comedy series.

Prompt: A 2K resolution contact sheet, arranged in a 3x5 grid of 15 individual film frames, representing the complete first episode of an action-comedy series. **[Characters & S...

Nov 30, 2025 · 2 min read

Recently, the feeling of pushback brought by AI has become stronger and stronger, and sometimes it is even scary.

Recently, the feeling of pushback brought by AI has become stronger and stronger, and sometimes it is even scary. Think about it, it has been less than a year since...

Nov 27, 2025 · 4 min read

Claude recently added an official skill specifically designed to improve front-end interface design.

Claude recently added an official skill specifically designed to improve front-end interface design. I tried installing it and it worked really well. The screenshot is...

Nov 16, 2025 · 4 min read

Build the "Microservices Architecture Review Expert" Skill ❌ Inefficient way of writing: "You are an architect, help me review this microservice design."

Build the "Microservices Architecture Review Expert" Skill ❌ Inefficient way of writing: "You are an architect, help me review this microservice design." Problem: Too general...

Oct 20, 2025 · 2 min read

This may be the latest way of working in 2025 🚀 Imagine: Monday morning ☕ You turn on the computer, 10 AI

This may be the latest way of working in 2025 🚀 Imagine: Monday morning ☕ You turn on the computer, 10 AI Skills are already in place: • "Email Processing Expert" has...

Oct 20, 2025 · 2 min read

Traditional large language models are often limited to short context windows such as 8K, 32K or 128K.

Traditional large language models are often limited to short context windows such as 8K, 32K or 128K. Expanding the context window to millions of tokens is not just a...

Aug 13, 2025 · 2 min read

Field Notes

Full ledger

Live judgment for this desk is filed by date in the field-notes ledger; enter through the full ledger by month.