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Loop & Harness EngineeringBirgitta Böckeler (martinfowler.com)Statement

Harness engineering for coding agent users

Made by AIWritten by AI (Claude) from the source below. Check anything important against the source.How it's made

Harness engineering for coding agent users — Agent = Model + Harness

Why it matters

The standard reference for the user-side definition of the harness as everything in an AI agent except the model

Source — Primary sources first; secondary reports are labelled “Press”

Officialmartinfowler.comhttps://martinfowler.com/articles/harness-engineering.html

Added in Week 35, 2026 · See that week

On the map — ⑤ Loop line

  1. Previous stopHarness design for long-running application development
  2. This recordHarness engineering for coding agent users
  3. Next stopStop Comparing LLM Agents Without Disclosing the Harness
See it on the map

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Nearby on the same axis

Harness design for long-running application developmentOfficialSkill Issue: Harness Engineering for Coding AgentsOfficialStop Comparing LLM Agents Without Disclosing the HarnessPaperAgent Harness EngineeringOfficial