Mid-Conversation System Entries in the Claude API: A Pattern for Production Agentic Harnesses
The Claude Messages API gives you exactly one place for standing instructions: a single top-level system field that sits ahead of the…
Anthropic: AI safety company founded by former OpenAI researchers. Maker of Claude, Claude Code, and the Cowork desktop agent.
The Claude Messages API gives you exactly one place for standing instructions: a single top-level system field that sits ahead of the…
Anthropic has given Claude a browser. On July 10, 2026, it added a built-in web browser directly inside the Claude Code desktop…
Claude for Teachers is Anthropic’s new offering that gives verified K-12 educators in the United States free access to premium Claude, a…
The Model Context Protocol that Anthropic published in November 2024 has produced one specific integration pattern that has become widely adopted across…
For most of the past two years, the strongest agentic tools Anthropic shipped were pointed at one audience: developers. Claude Code could…
Softr quietly shipped one of the more strategically interesting product launches in the no-code category last month. On June 16, 2026, the…
Update, July 18, 2026: Anthropic has reversed course. Instead of moving Fable 5 to usage-credits-only after July 19, it is keeping Fable…
Claude Sonnet 5 vs Fable 5 is a choice between the two ends of Anthropic’s current Claude lineup. Sonnet 5 is the…
Cursor released Composer 2.5 on May 18, 2026, and the release tells a clear strategic story about where Anysphere is positioning its…
The Claude Opus 4.6 to 4.7 cycle ran from February 19 to April 1, 2026, a 41-day window that exemplifies the accelerated…