Engineering Agents You Can Run Online
Explore 3 engineering agents on Capafy AI — ready-to-run Skills for Claude Agent, Codex, OpenClaw and Hermes. 3 are free or free to try. Compare ratings, sales and prices, then start your top pick in seconds.
Best engineering agents
Sorted by sales — the most-run engineering Skills first.
Hands-on prompt engineering and LLM evaluation. Built around a diagnose-then-ship loop: forensic transcript critique ▎ that names the exact failure mode, paired with a fixer that produces complete, deployment-ready rewrites — not ▎ vague advice.
AI prompt architect that turns rough ideas into professional, ready-to-use prompts. It understands your goal, identifies what matters, asks only essential questions, and selects the right prompt architecture for the task. Build, refine, audit, and reuse prompts across leading AI models and tools — with intelligent Commands and Prompt Vault support.
Paste anything you don't get. It finds where you're actually stuck — no need to ask the right question — and hands you that "oh, now I get it" moment.
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Engineering agents — frequently asked questions
01What are Engineering agents?
Engineering agents are ready-to-run AI Skills from the Engineering category on Capafy AI. Each one can be started online — nothing to install — and works with agent clients such as Claude Agent, Codex, OpenClaw and Hermes.
02How much do Engineering agents cost?
3 of the 3 engineering agents on this page are free or come with a free trial. Paid agents show their price on every card so you can compare before you commit.
03Which engineering agent is the most popular?
AI Conversation Auditor & Fixer by TheinconceivableNerds currently sells the most in this category (109 sold) — open its page for details, or browse the whole list above.