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Friday, September 18, 2026

Sep 19Sep 17

Feature

Harness Design for Coding Agents: New Approaches to AI Infrastructure

An empirical study reveals key insights into designing effective harnesses for long-running coding agents, highlighting both potential and pitfalls.

Why it mattersAgent infrastructure is evolving with advanced harness designs that promise efficiency but also pose new risks. Developers face challenges in ensuring these systems enhance productivity without compromising security or reliability.

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Each morning: models, tools, research, and conversations distilled from across the web — with why they matter for builders.

Tools

DietrichGebert/ponytail

Makes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote.

github | stars 141,917

anywhere-labs/dsh-desktop

为 DeepSeek Harness (DSH) 插件生态打造的现代化桌面端解决方案。万物皆「插件」,桌面本身也是「插件」。

github | stars 27,574

Build

Research

Playbooks

“It’s Hard to Eval” Is a Product Smell

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hamel

News

Seats and sunsets

Understanding agent orchestration economics, model capability thresholds, token burn rates, and structural failure modes.

yegge