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agent-builder

65 / 100 · Review before installing

Check before installing. Some of what it can do is expected: a productivity skill usually connects to your mail, calendar or notes.

By juliepy/AI-Engineer-from-scrach (GitHub) · productivity · 497 stars · scanned at commit 09fafe3

Design and build AI agents for any domain. Use when users: (1) ask to "create an agent", "build an assistant", or "design an AI system" (2) want to understand agent architecture, agentic patterns, or autonomous AI (3) need help with capabilities, subagents, planning, or skill mechanisms (4) ask about Claude Code, Cursor, or similar agent internals (5) want to build agents for business, research, creative, or operational tasks Keywords: agent, assistant, autonomous, workflow, tool use, multi-ste…

Works with any agent that supports SKILL.md skills.

What this skill can do

Can call paid AI services billed to you

The author does not mention this.

Found in 4 places.

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Sends data to these websites: api.anthropic.com

The author does not mention this. Expected for a productivity skill.

Found in 3 places.

Runs commands on your computer

The author does not mention this.

Found in 9 places.

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Downloads and installs other software

The author does not mention this.

Found in 1 place.

Safer alternatives

Low-risk skills in the same category (productivity) that look related. Check that one does what you need.

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'agent-builder' ] || [ -L ~/.agents/skills/'agent-builder' ]; then echo 'A skill folder named agent-builder already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/juliepy/AI-Engineer-from-scrach' "$d" && git -C "$d" checkout --quiet '09fafe3e291890ae7827939e592a4df8d1115134' -- '06-harnes/learn-claude-code/skills/agent-builder' && mkdir -p ~/.agents/skills && cp -R "$d"/'06-harnes/learn-claude-code/skills/agent-builder' ~/.agents/skills/'agent-builder' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'agent-builder' ~/.claude/skills/'agent-builder' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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Score history

DateVersionScore
2026-11-0809fafe365