ECC vs prompt-refine-skill

Side-by-side AI skills comparison

ECC

affaan-m

prompt-refine-skill

Apeironics

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JavaScript

Python

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AI Agents

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SKILL.md

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ai-agentsanthropicclaudeclaude-codedeveloper-toolsllm

Description

The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

Agent Skill that silently refines prompts for the currently running model

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