--- title: "#harness articles | Hashnode" description: "Explore 91 articles tagged #harness on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/harness" --- Tag # #harness 91 posts · 7 followers [tappers](https://hashnode.com/@tappers) · [1d ago](https://hashnode.com/posts/e40-behavioral-action-sequence-gate/6af870300ae9a421e38c132f) ### [Why Outcome-Only Evals Let Coding Agents Guess Blindly: Outcome Evals vs. a Behavioral Action-Sequence Gate (-95.2% Tokens)](https://tappers.hashnode.dev/e40-behavioral-action-sequence-gate?utm_source=hashnode&utm_medium=feed) 💡 AI Labo Benchmark Series — Experiment E40 (Behavioral Trajectory Gates) This post is part of our empirical benchmark series testing AI coding agent harness patterns inside network-isolated Proxmox 6 min read · [tappers.hashnode.dev](https://tappers.hashnode.dev/e40-behavioral-action-sequence-gate?utm_source=hashnode&utm_medium=feed) [tappers](https://hashnode.com/@tappers) · [1d ago](https://hashnode.com/posts/e39-guides-and-sensors-remediation/6af8702fbac99d10123e838a) ### [Thoughtworks' Guides-and-Sensors Pattern in Action: Bare Errors vs. Feedforward Guides + Remediation Sensors (-95.1% Tokens)](https://tappers.hashnode.dev/e39-guides-and-sensors-remediation?utm_source=hashnode&utm_medium=feed) 💡 AI Labo Benchmark Series — Experiment E39 (Architectural Control & Guides + Sensors) This post is part of our empirical benchmark series testing AI coding agent harness patterns inside network-isol 7 min read · [tappers.hashnode.dev](https://tappers.hashnode.dev/e39-guides-and-sensors-remediation?utm_source=hashnode&utm_medium=feed) [tappers](https://hashnode.com/@tappers) · [1d ago](https://hashnode.com/posts/e38-cryptographic-test-tampering-lock/6af8701acc7f51bd215f0fca) ### [Defeating Reward Hacking in Coding Agents: Prompt-Only Rules vs. a Cryptographic SHA-256 Test Lock (2.46x Faster)](https://tappers.hashnode.dev/e38-cryptographic-test-tampering-lock?utm_source=hashnode&utm_medium=feed) 💡 AI Labo Benchmark Series — Experiment E38 (Anti-Cheating & Test Integrity Locks) This post is part of our empirical benchmark series testing AI coding agent harness patterns inside network-isolated 7 min read · [tappers.hashnode.dev](https://tappers.hashnode.dev/e38-cryptographic-test-tampering-lock?utm_source=hashnode&utm_medium=feed) [tappers](https://hashnode.com/@tappers) · [1d ago](https://hashnode.com/posts/e37-hypothesis-pivot-ladder/6af8701811557621aa2e0a75) ### [Stopping Blind Micro-Retries on Identical Errors: Death-Spiral Thrashing vs. a 3-Hypothesis Pivot Ladder (-95.2% Input Tokens)](https://tappers.hashnode.dev/e37-hypothesis-pivot-ladder?utm_source=hashnode&utm_medium=feed) 💡 AI Labo Benchmark Series — Experiment E37 (Loop Recovery & Stuck Detection) This post is part of our empirical benchmark series testing AI coding agent harness patterns inside network-isolated Prox 7 min read · [tappers.hashnode.dev](https://tappers.hashnode.dev/e37-hypothesis-pivot-ladder?utm_source=hashnode&utm_medium=feed) [tappers](https://hashnode.com/@tappers) · [1d ago](https://hashnode.com/posts/e36-shift-handover-harness/6af87017f683c6103ae7a30a) ### [Preventing Multi-Session Amnesia in Coding Agents: Prose Summaries vs. a 3-Artifact Shift-Handover Harness (-95.2% Input Tokens)](https://tappers.hashnode.dev/e36-shift-handover-harness?utm_source=hashnode&utm_medium=feed) 💡 AI Labo Benchmark Series — Experiment E36 (Multi-Session Continuity & State Handover) This post is part of our empirical benchmark series testing AI coding agent harness patterns inside network-iso 6 min read · [tappers.hashnode.dev](https://tappers.hashnode.dev/e36-shift-handover-harness?utm_source=hashnode&utm_medium=feed) [tappers](https://hashnode.com/@tappers) · [3d ago](https://hashnode.com/posts/e35-directory-pointer-agents-md/6af5c0e7a32f710193c415c2) ### [Why a 500-Line AGENTS.md Hurts Coding Agent Accuracy: Monolithic Encyclopedia Prompts vs. a 30-Line Directory-Pointer Index (3.13x Faster)](https://tappers.hashnode.dev/e35-directory-pointer-agents-md?utm_source=hashnode&utm_medium=feed) 💡 AI Labo Benchmark Series — Experiment E35 (Context Hygiene & AGENTS.md Architecture) This post is part of our empirical benchmark series testing AI coding agent harness patterns inside network-isol 7 min read · [tappers.hashnode.dev](https://tappers.hashnode.dev/e35-directory-pointer-agents-md?utm_source=hashnode&utm_medium=feed) [tappers](https://hashnode.com/@tappers) · [3d ago](https://hashnode.com/posts/e34-runtime-variable-snapshot-injection/6af5c0e569fa8abae2dd8725) ### [Eliminating Print-Debugging Loops in Coding Agents: Bare Stack Traces vs. Runtime Frame Variable-Snapshot Injection (-95.0% Input Tokens)](https://tappers.hashnode.dev/e34-runtime-variable-snapshot-injection?utm_source=hashnode&utm_medium=feed) 💡 AI Labo Benchmark Series — Experiment E34 (Runtime Introspection & Debugging Sensors) This post is part of our empirical benchmark series testing AI coding agent harness patterns inside network-iso 7 min read · [tappers.hashnode.dev](https://tappers.hashnode.dev/e34-runtime-variable-snapshot-injection?utm_source=hashnode&utm_medium=feed) [tappers](https://hashnode.com/@tappers) · [3d ago](https://hashnode.com/posts/e33-property-based-fuzzing-sensor/6af5c0c4c8247212e0ee020b) ### [Why Hand-Written Example Tests Fail AI Coding Agents: Fixed Sample Tests vs. a Property-Based Invariant Fuzzing Sensor (-95.1% Input Tokens)](https://tappers.hashnode.dev/e33-property-based-fuzzing-sensor?utm_source=hashnode&utm_medium=feed) 💡 AI Labo Benchmark Series — Experiment E33 (Verification & Property Fuzzing) This post is part of our empirical benchmark series testing AI coding agent harness patterns inside network-isolated Prox 7 min read · [tappers.hashnode.dev](https://tappers.hashnode.dev/e33-property-based-fuzzing-sensor?utm_source=hashnode&utm_medium=feed) [tappers](https://hashnode.com/@tappers) · [3d ago](https://hashnode.com/posts/e32-pre-submit-blast-radius-diff-audit/6af5c0c2879decdd0f75b557) ### [Why Coding Agents Need a Pre-Submit Diff Audit Gate: Blind Unchecked Submits vs. Blast-Radius & Entropy Auditing (-95.0% Input Tokens)](https://tappers.hashnode.dev/e32-pre-submit-blast-radius-diff-audit?utm_source=hashnode&utm_medium=feed) 💡 AI Labo Benchmark Series — Experiment E32 (Verification & Pre-Submit Gates) This post is part of our empirical benchmark series testing AI coding agent harness patterns inside network-isolated Prox 7 min read · [tappers.hashnode.dev](https://tappers.hashnode.dev/e32-pre-submit-blast-radius-diff-audit?utm_source=hashnode&utm_medium=feed) [tappers](https://hashnode.com/@tappers) · [3d ago](https://hashnode.com/posts/e31-parameterized-ast-codemod-tool/6af5c0c0e1dd4371a83899c7) ### [Stop Letting Coding Agents Do Manual Multi-Spot String Replacements: Manual Text Edits vs. Parameterized AST Codemod Tools (-94.8% Input Tokens)](https://tappers.hashnode.dev/e31-parameterized-ast-codemod-tool?utm_source=hashnode&utm_medium=feed) 💡 AI Labo Benchmark Series — Experiment E31 (Edit Primitives & AST Tooling) This post is part of our empirical benchmark series testing AI coding agent harness patterns inside network-isolated Proxmo 7 min read · [tappers.hashnode.dev](https://tappers.hashnode.dev/e31-parameterized-ast-codemod-tool?utm_source=hashnode&utm_medium=feed)