Two publications on Medium
Blog
Switch between The Builder’s Playbook and The Pull. Playbook is selected by default — recent stories, then the full piece on Medium.
34 articles in The Builder's Playbook
Follow @thebuildersplaybook
Sep 13Stop Inventing Acceptance After the Diff. Write the Veto First.
Sep 13, 2026Read
Sep 12I Opened Five Coding-Agent Benches. Each One Crowned Someone Else.
Leaderboards do not disagree because agents are mysterious. They disagree because each bench measures a different verb. Pick the verb, or…
Sep 12, 2026Read
Sep 12Claude Code Skills Are Not Free When They Sit Quiet. Most of Yours Are Sitting Quiet.
Progressive disclosure hides the body. It does not hide the rent. Here is how to see which skills are earning their keep, and which ones…
Sep 12, 2026Read
Sep 11Three Models. One Feature. The Disagreement Was the Useful Part.
I gave the same ticket three seats — planner, worker, reviewer — on different models. They argued. That argument is the architecture.
Sep 11, 2026Read
Sep 11Seven Coding-Agent Skills Worth Keeping. The Rest Are Catalog Tax.
Not Claude-only. Portable skill patterns that earn rent on Claude Code, Cursor, Codex, and anything that reads SKILL.md — plus the stack…
Sep 11, 2026Read
Sep 10Skills Are Not Rules. AGENTS.md Is Not a Skill. One Job Each.
Sep 10, 2026Read
Sep 10“System Data: 87 GB.” No Explanation, No Button, No Mercy. Here’s How to Take It All Back Tonight.
The gray bar is a janitor’s closet macOS cleans on its own schedule.
Sep 10, 2026Read
Sep 09macOS Runs 16% of the World’s Desktops and a Third of Its Professional Developers.
Why the people who build software over-choose a minority operating system: the three-legged design Windows and Linux each only half have…
Sep 09, 2026Read
Sep 09I Automated Seven Things With the AI Already Inside My Mac.
Shortcuts quietly gained a Use Model action that hands you Apple’s local model as a building block. Seven builds, exact prompts, and the…
Sep 09, 2026Read
Sep 08Don’t Trade In That Mac Mini. Plugged In Behind the Router, It’s Worth $1,000 a Year.
Apple offers lunch money for it. Left on a shelf, it replaces cloud storage, camera plans, a password manager, and chunks of your…
Sep 08, 2026Read
Sep 08Google Drew a Line Between Vibe Coding and Agentic Engineering. The Line Is Verification.
Same agent. Same model. Different factory. Here is the spectrum, the harness equation, and a Monday move for one feature.
Sep 08, 2026Read
Sep 07Your Mac Already Has an AI Org Chart. Most Seats Were Never Opened.
Before Apple’s Sep 9 keynote, inventory who already works on your Mac — on-device, Private Cloud Compute, waitlisted Siri AI, and the one…
Sep 07, 2026Read
Sep 07Your Agent Will Cheat the Eval If It Can Text Another Agent
~18,000 posts on a dormant German wiki. GET-only sandboxes. ZZZ backup pages. OpenAI’s agents did not “break out.” They found a Schelling…
Sep 07, 2026Read
Sep 06Reward Hacking Is Not a Funny Tweet. Here Is the Held-Out File.
Agents will comment out the assert, hardcode the fixture, or delete the test after it passes. I keep a second file they are not allowed to…
Sep 06, 2026Read
Sep 05I Logged Every Tool Call for a Week. The Job Was 14% of the Trace.
The model was not confused. The radio was busy. Most of what it said was not the feature.
Sep 05, 2026Read
Sep 05Stop Shipping Another MCP Server. Ship One Plugin the Agent Can Reuse.
A skill is how. A server is access. A plugin is the envelope. I threw out six connectors and kept one socket.
Sep 05, 2026Read
Sep 04Your Mac Has Been Building Siri’s Brain Since July
Apple hid the work inside a security update. The progress bar is already on your machine.
Sep 04, 2026Read
Sep 03Your AI Coding Bill Is a Second Rent. I Built a Ledger for It.
The $20 plan is the listing price. The real cost is retries, overnight agents, and a frontier model you left on by habit.
Sep 03, 2026Read
Sep 03Vibe Coding Makes Seniors Faster. It Makes Juniors Hard to Hire.
I do not ban the agent in interviews. I watch who reaches for the spec when the agent gets the test wrong.
Sep 03, 2026Read
Sep 02I Let an Agent Ship a Feature From a Spec. Then I Read the Diff.
The prompt is not the job. The contract is. Here is the one-page spec I reuse, and the six things I now look for before I merge.
Sep 02, 2026Read
Sep 02Programming Has Been Declared Dead Six Times Since 1843.
The first program was written for a machine that didn’t exist. Today a developer joins GitHub every second while AI drafts their code…
Sep 02, 2026Read
Sep 01Your Mac Employs an AI Staff You Never Hired. I Found Them All, and One of Them Works for Free.
Seven gigabytes of models, daemons that have read your photos for years, a database of your life that never leaves the machine, and one…
Sep 01, 2026Read
Sep 0184% of Developers Now Code With AI.
Written for the reader who has never coded: what the work really is, how AI rearranged it in two years, what the job numbers say, the five…
Sep 01, 2026Read
Aug 31Your Mac Has Been Hiding a Free AI Model With a Public API. I Woke It Up in 30 Lines of Swift.
No key, no bill, no internet. A 3-billion-parameter model ships inside macOS, and thirty lines of Swift turn it into a real app.
Aug 31, 2026Read
Aug 31Python Is #1, #2, and #4, Depending on Who’s Measuring.
Every “Python overview” repeats the same three compliments. This one pulls this week’s numbers from four disagreeing rulers, runs every…
Aug 31, 2026Read
Aug 30AI Engineer Ads Demand Eight Years of Experience for a Three-Year-Old Job.
Nobody has eight years of AI engineering. The ads know it, the market hires around it, and the number is a password: here is what it…
Aug 30, 2026Read
Aug 30Google Gave Every Chrome a Free AI Model — and a JavaScript API.
Aug 30, 2026Read
Aug 29The “Next Kubernetes” Prophecy Is Seven Years Old.
WASI 0.3 shipped, Fermyon got acquired, and SpinKube now schedules Wasm inside Kubernetes. The famous Docker quote had a second half, and…
Aug 29, 2026Read
Aug 28Your Retirement Money Is Probably in the AI Buildout Already.
Index funds, bond funds, private credit, and pension alternatives: how ordinary savings reach the AI buildout, and which pipes have a…
Aug 28, 2026Read
Aug 27The AI Layoffs Are Reversing. The Jobs Coming Back Are Not the Jobs That Left.
The regret is documented, the rehiring is measured, and the twist is in the composition: senior-shaped, AI-titled roles returning through…
Aug 27, 2026Read
Aug 26AI Saved You an Hour Today. I Traced Where It Went, and Part of It Never Existed.
A randomized trial, an eight-month embedded study, and a set of viral statistics that vanish when traced: the free-time question finally…
Aug 26, 2026Read
Aug 25Claude Code Was Crowned “Most Popular Coding Agent of 2026” in January.
The crown from January can’t be verified by any instrument that exists. The three superlatives that can: most copied, most extensible, and…
Aug 25, 2026Read
Aug 24You’re About to Click the Most Permanent Checkbox in Apple’s Store. Do the RAM Math First.
Parameters × 0.5 is a file size, not a buying guide. I wrote the real formula as a script and ran it, and one of my three test cases came…
Aug 24, 2026Read
Aug 24The Best Programming Language of 2026 Depends on Which Chart You Open. I Opened All of Them.
Searched, used, committed, admired, hired: the five big rankings each measure one verb and crown one winner. Stack them and the real 2026…
Aug 24, 2026Read
The Builder's Playbook
New stories land on Medium first. Follow @thebuildersplaybook to get every piece as it publishes.