
Episode 67: Saving Hundreds of Hours of Dev Time with AI Agents That Learn
Vanishing Gradients
Sharing Intent and Archaeology of Decisions
Isaac and Eleanor discuss documenting intent so future collaborators and agents understand design and trade-offs.
âThis is continual learning, right? Everyone has been talking about continual learning as the next challenge in AI. Actually, itâs solved. Just tell it to keep some notes somewhere. Sure, itâs not, itâs not machine learning, but in some ways it is because when it will load this text file again, it will influence what it does ⌠And it works so well: itâs easy to understand. Itâs easy to inspect, itâs easy to evolve and modify!
Eleanor Berger and Isaac Flaath, the minds behind Elite AI Assisted Coding, join Hugo to talk about how to redefine software development through effective AI-assisted coding, leveraging âspecification-firstâ approaches and advanced agentic workflows.
We Discuss:
* Markdown learning loops: Use simple agents.md files for agents to self-update rules and persist context, creating inspectable, low-cost learning;
* Intent-first development: As AI commoditizes syntax, defining clear specs and what makes a result âgoodâ becomes the core, durable developer skill;
* Effortless documentation: Leverage LLMs to distill messy âbrain dumpsâ or walks-and-talks into structured project specifications, offloading context faster;
* Modular agent skills: Transition from MCP servers to simple markdown-based âskillsâ with YAML and scripts, allowing progressive disclosure of tool details;
* Scheduled async agents: Break the chat-based productivity ceiling by using GitHub Actions or Cron jobs for agents to work on issues, shifting humans to reviewers;
* Automated tech debt audits: Deploy background agents to identify duplicate code, architectural drift, or missing test coverage, leveraging AI to police AI-induced messiness;
* Explicit knowledge culture: AI agents eliminate âcafeteria chatâ by forcing explicit, machine-readable documentation, solving the perennial problem of lost institutional knowledge;
* Tiered model strategy: Optimize token spend by using high-tier âreasoningâ models (e.g., Opus) for planning and low-cost, high-speed models (e.g., Flash) for execution;
* Ephemeral software specs: With near-zero generation costs, software shifts from static products to dynamic, regenerated code based on a permanent, underlying specification.
You can also find the full episode on Spotify, Apple Podcasts, and YouTube.
You can also interact directly with the transcript here in NotebookLM: If you do so, let us know anything you find in the comments!
đ Eleanor & Isaac are teaching their next cohort of their Elite AI Assisted Coding course starting this week. Theyâre kindly giving readers of Vanishing Gradients 25% off. Use this link.đ
đ Want to learn more about Building AI-Powered Software? Check out our Building AI Applications course. Itâs a live cohort with hands on exercises and office hours. Here is a discount code for readers. đ
Show Notes
* Elite AI Assisted Coding Substack
* Elite AI Assisted Coding Course (Use the code HUGO for 25% off)
* How to Build an AI Agent with AI-Assisted Coding
* Eleanor/Isaacâs blog post âThe SpecFlow Process for AI Codingâ
* Eleanorâs growing list of (free) tutorials on Agent Skills
* Eleanorâs YouTube playlist on agent skills
* Eleanorâs blog post âAre (Agent) Skills the New Appsâ
* Simon Willisonâs blog post on skills/general computer automation/data journalism agents
* Eleanor/Isaacâs blog post about asynchronous client agents in GitHub actions
* Vanishing Gradients on YouTube
* Watch the podcast video on YouTube
* Join the final cohort of our Building AI Applications course in Q1, 2026 (25% off for listeners)
Timestamps (for YouTube livestream)
00:00 Introduction to Elite AI Assisted Coding
02:24 Starting a New AI Project: Best Practices
03:19 The Importance of Context in AI Projects
07:19 Specification-First Planning
12:01 Sharing Intent and Documentation
18:27 Living Documentation and Continual Learning
24:36 Choosing the Right Tools and Models
29:18 Managing Costs and Token Usage
40:16 Using Different Models for Different Tasks
43:41 Mastering One Model for Better Results
44:54 The Rise of Agent Skills in 2026
45:34 Understanding the Importance of Skills
47:18 Practical Applications of Agent Skills
01:11:43 Security Concerns with AI Agents
01:15:02 Collaborative AI-Assisted Coding
01:18:59 Future of AI-Assisted Coding
01:22:27 Key Takeaways for Effective AI-Assisted Coding
Live workshop with Eleanor, Isaac, & Hugo
We also recently did a 90-minute workshop on How to Build an AI Agent with AI-Assisted Coding.
We wrote a blog post on it for those who donât have 90 minutes right now. Check it out here.
I then made a 4 min video about it all for those who donât have time to read the blog post.
đ Want to learn more about Building AI-Powered Software? Check out our Building AI Applications course. Itâs a live cohort with hands on exercises and office hours. Here is a discount code for readers. đ
https://maven.com/hugo-stefan/building-ai-apps-ds-and-swe-from-first-principles?promoCode=vg-ei
Get full access to Vanishing Gradients at hugobowne.substack.com/subscribe


