Smart Brevity

The Daily Stack

Everything that mattered in tech yesterday, distilled for your morning commute.

Edition: August 8, 2026
AI 5 min read

MCP Servers in Production: A 2026 Field Directory

The MCP registry is a directory of hundreds now. Most are hobby projects. We surveyed which servers are actually in production use in 2026, grouped them by domain, and flagged the ones we would not deploy — with reasons.

Business 6 min read

Beyond Rule of 40: The SaaS Metrics Boards Actually Read in 2026

The Rule of 40 was a decade of shorthand for SaaS health. It broke on the AI-cost era. We map the multi-metric framework serious boards now use — growth-efficiency triangle, AI-COGS disaggregation, Rule of X — and how to build the reporting.

AI 5 min read

SWE-bench: What It Actually Measures, and Where It Misleads

SWE-bench Verified is the benchmark every AI coding tool cites. But the score you see quoted often obscures what the test actually measures — and what it does not. We audited the methodology and the leaderboard against the claims teams make from them.

Software 5 min read

Cursor vs Claude Code: A Six-Month Practitioner Comparison

We ran the two dominant AI coding tools of 2026 side-by-side for six months on production work. This is the comparison our audit turned up — where each wins, where each loses, and what happens if you try to use both at the same time.

Startups 6 min read

The 83(b) Election: A Founder's Complete 2026 Guide

The 83(b) election is a one-page form with a hard 30-day deadline. Miss it and years of appreciation get taxed as ordinary income. This is the mechanics, the maths, and the specific edge cases that surprise people — written for founders about to sign, not tax students.

AI 5 min read

The Small Model Renaissance: When Big AI Doesn't Win

The narrative that big always wins is a partial narrative. We map the class of small, task-focused models that quietly took a growing share of production AI work — where they win, where they still lose, and what changed.

Cybersecurity 5 min read

Zero-Trust in Production: A 2026 Field Guide

Zero-trust is no longer a buzzword — it is the default security architecture for serious organizations. We map what production deployments actually look like, where they still fail, and what the emerging identity-first models add.

Science 5 min read

GLP-1 Drugs at Two Years: A Public Health Audit

Two years after GLP-1 receptor agonists went from diabetes drugs to cultural phenomena, we audit the public data — CDC prescription trends, NEJM outcomes trials, and the second-order effects showing up in retail and payer numbers.

Design 5 min read

The State of Design Systems in 2026: A Field Report

Design systems have quietly become plumbing. We surveyed the largest public systems, tracked what changed in the tooling, and mapped where the interesting design-engineering work is happening now.

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