---
title: "ECC vs learn-harness-engineering"
type: "comparison"
canonical_url: "https://www.graphcanon.com/compare/affaan-m-ecc-vs-walkinglabs-learn-harness-engineering"
tools: ["affaan-m-ecc", "walkinglabs-learn-harness-engineering"]
---

# ECC vs learn-harness-engineering

Neutral, constraint-first comparison with live GitHub stats.

| | [ECC](/tools/affaan-m-ecc.md) | [learn-harness-engineering](/tools/walkinglabs-learn-harness-engineering.md) |
| --- | --- | --- |
| Tagline | The agent harness performance optimization system | A project-based course on building the environment, state management, verification, and control mechanisms that make AI coding agents work reliably. |
| Stars | 226,991 | 10,009 |
| Forks | 34,707 | 1,078 |
| Open issues | 73 | 14 |
| Language | JavaScript | TypeScript |
| License | MIT | MIT |
| Categories | AI Agents, Developer Tools | AI Agents, Developer Tools |

---

**Machine-readable endpoints**

- JSON: [`/api/graphcanon/graph?tool=affaan-m-ecc`](/api/graphcanon/graph?tool=affaan-m-ecc)
- LLM index: [/llms.txt](/llms.txt)
- Full corpus: [/llms-full.txt](/llms-full.txt)

_GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_