13 min read
When Your AI Agent Sells Your Bike For 27 EUR Less
Anthropic ran 4 marketplace experiments where Claude agents bought, sold, and negotiated for 69 employees with zero human…
The Lab · Written in the open · Tagged Anthropic
Lab.
Working notes from the studio. The tools I build, the workflows I keep, the mistakes I paid for.
48 entries · latest 2026-09-02
9 min read
Anthropic Confirms Claude Code Was Broken For 7 Weeks
March 4 default reasoning dropped from high to medium for latency, hurt coding accuracy on real tasks
10 min read
I Built 3 Production Agents With the Claude Agent SDK in One Weekend
Shipped 3 production agents in one weekend using the Claude Agent SDK, each under 50 lines of glue…
10 min read
The 1M Context Window Actually Changes How I Code
Loaded my entire 12-repo studio into one session and stopped re-explaining context to the model every hour
8 min read
Claude Design Launches: Everything You Need to Know
Anthropic launched Claude Design on April 17, powered by Opus 4.7, turning prompts into prototypes, slides, mockups, and…
9 min read
Claude Opus 4.6 vs 4.7: Every Difference Side by Side
Pricing stays identical at 5 USD per million input and 25 USD per million output, 1 million token…
8 min read
Claude Opus 4.7 Is Here: Everything That Changed
Opus 4.7 just dropped with 3x vision, task budgets for agents, and three breaking API changes. What changed,…
7 min read
512,000 Lines of Leaked Code Exposed Anthropic's Secret Models
A missing .npmignore line exposed 512,000 lines of Claude Code source, revealing Mythos, Capybara, KAIROS, and Opus 4.7.…
8 min read
Anthropic Is Building a Full-Stack App Builder Inside Claude
Leaked screenshots show Anthropic building a full-stack app builder directly inside Claude
10 min read
Claude Managed Agents: Build and Deploy AI Agents at Scale
Managed Agents is Anthropic's new hosted agent infrastructure, now in public beta
11 min read
Anthropic Just Locked Third-Party Claude Access
Anthropic ended subscription access for third-party Claude tools. What this means for developers, why the economics forced the…
8 min read
Claude Code /buddy: The Terminal Tamagotchi That Broke the Internet
A leaked .npmignore exposed Claude Code's hidden /buddy: a terminal Tamagotchi with 18 species, 5 rarity tiers, and…