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MCP Goes Stateless: What's Actually in the 2026-07-28 Spec

The largest revision of the Model Context Protocol since launch, in plain terms: stateless core, extensions, new auth rules, and what you need to migrate.

Read the essay August 10, 2026 · 4 min read

On the bill

35 essays
No. 034 August 7, 2026 · 5 min read
A Yes That Has Been Somewhere
No. 033 July 31, 2026 · 5 min read
Conway's Law in Reverse
No. 032 July 28, 2026 · 6 min read
The Pin Factory and the Poem
No. 031 July 21, 2026 · 5 min read
The First Software That Can Sell Out
No. 030 July 8, 2026 · 5 min read
Worth Doing Badly
No. 029 May 6, 2026 · 6 min read
The Field Manual for Agentic Engineering
No. 028 April 30, 2026 · 6 min read
Five Notes from the Sequoia Stage
No. 027 April 23, 2026 · 5 min read
Why Faster AI Doesn't Make Faster Companies
No. 026 April 17, 2026 · 5 min read
The Great Inversion
No. 025 April 16, 2026 · 6 min read
Building for the Wrong Model
No. 024 April 10, 2026 · 6 min read
Trust, But Verify
No. 023 April 8, 2026 · 4 min read
Leeloo Dallas, Memorypass
No. 022 April 8, 2026 · 6 min read
Say What You Mean
No. 021 April 5, 2026 · 8 min read
The Taste Gap
No. 020 April 4, 2026 · 7 min read
Think in Pieces
No. 019 April 3, 2026 · 7 min read
The Spec Is the Product
No. 018 April 1, 2026 · 6 min read
The New Management
No. 017 March 28, 2026 · 4 min read
The Hitchhiker's Guide to the K-Shaped Economy
No. 016 March 27, 2026 · 7 min read
It Is Time to Boil the Ocean
No. 015 March 20, 2026 · 7 min read
The Kitchen Is Open
No. 014 February 19, 2026 · 5 min read
I Know Kung Fu: Loading Only What the Mission Needs
No. 013 February 17, 2026 · 6 min read
The $690B Question Wall Street Can't Answer
No. 012 February 16, 2026 · 4 min read
Clawdbought: How OpenAI Acquired the Biggest Open-Source Agent
No. 011 February 12, 2026 · 4 min read
When Intelligence Organizes Itself
No. 010 February 3, 2026 · 4 min read
147,000 GitHub Stars in Two Weeks. Mac Mini Shortages. A 24% Stock Surge. The Market Just Told You Something.
No. 009 January 30, 2026 · 7 min read
Claude Has Character. Your AI Has a Script.
No. 008 January 23, 2026 · 5 min read
Anthropic Is Quietly Winning the AI Race
No. 007 January 20, 2026 · 5 min read
Your IDE is a Dead Pixel
No. 006 January 13, 2026 · 5 min read
The Ancient Art of Knowing Less
No. 005 January 9, 2026 · 6 min read
The Memento Problem
No. 004 January 7, 2026 · 5 min read
The Bookshelf in the Black Hole
No. 003 December 18, 2025 · 5 min read
The Genius Who Can't Say 'I Don't Know'
No. 002 December 15, 2025 · 4 min read
Learning FORTRAN
No. 001 December 8, 2025 · 3 min read
MCP and the Token Tax

These essays argue mostly by inversion: the old wisdom was right, and the new machines are the reason to keep it. New ones appear when there is something worth saying, which is a schedule no calendar can enforce. About the author.