Agent skill

Karpathy Vibe To Agentic

by LearnPrompt in LearnPrompt/andrej-karpathy-skills

Transition from vibe coding (fast prototyping) to agentic engineering (rigorous iteration).

MITAuto-check passedDevelopment

Install Karpathy Vibe To Agentic

skills CLI
$ npx skills add LearnPrompt/andrej-karpathy-skills --skill karpathy-vibe-to-agentic -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install LearnPrompt/andrej-karpathy-skills karpathy-vibe-to-agentic --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/LearnPrompt/andrej-karpathy-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/karpathy-vibe-to-agentic .claude/skills/karpathy-vibe-to-agentic && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
karpathy-vibe-to-agentic
GitHub stars
110
Token cost
~1.4k tokens
SKILL.md length
196 words
Files
1
Skills in repo
15
Repo updated
First seen
Licence
MIT

At a glance

Transition from vibe coding (fast prototyping) to agentic engineering (rigorous iteration).

  • Works in 3 steps: Audit What You Built → Define Success Criteria → Agentic Cleanup Loop
  • The user has a rough prototype and wants to level it up
  • SKILL.md covers Core Principle, The Transition Protocol, Common Vibe Coding Smells to… and The Two-Track System, plus 4 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Karpathy Vibe To Agentic is an agent skill from LearnPrompt/andrej-karpathy-skills. Transition from vibe coding (fast prototyping) to agentic engineering (rigorous iteration). Use this skill when the user has a rough prototype and wants to level it up, needs to go from "it kind of works" to production-quality, wants to understand the difference between vibe coding and agentic coding, or says "polish this", "make this production-ready", "level up from prototype", "vibe coded this now what". Based on Karpathy posts 3 and 6.

Its SKILL.md is about 1.4k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Development, covering Prototyping. The repository describes itself as: Karpathy-inspired Agent Skills collection. The licence is MIT.

When your agent uses it

  • The user has a rough prototype and wants to level it up
  • Needs to go from it kind of works to production-quality
  • Wants to understand the difference between vibe coding and agentic coding
  • Says polish this

Example prompts

  • “it kind of works”
  • “polish this”
  • “make this production-ready”
  • “/karpathy-vibe-to-agentic”

Workflow steps

3 steps, taken from the step headings in SKILL.md.

  1. Audit What You Built
  2. Define Success Criteria
  3. Agentic Cleanup Loop

What it can do on your machine

Read from SKILL.md and the folder at commit 9e46dec. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    Links to these hosts (documentation or services it may open):

    • x.com

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Karpathy Vibe To Agentic loads about 1.4k tokens when it runs. Until then it costs about 117 tokens; SKILL.md has 196 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~117
When it runs · the whole SKILL.md, loaded when a task matches
~1.4k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from LearnPrompt/andrej-karpathy-skills at commit 9e46dec, republished under its MIT licence (© LearnPrompt). 196 words, ~1,380 tokens.

Download SKILL.mdSave it as .claude/skills/karpathy-vibe-to-agentic/SKILL.md (or your agent's skills folder).
name
karpathy-vibe-to-agentic
description
Transition from vibe coding (fast prototyping) to agentic engineering (rigorous iteration). Use this skill when the user has a rough prototype and wants to level it up, needs to go from "it kind of works" to production-quality, wants to understand the difference between vibe coding and agentic coding, or says "polish this", "make this production-ready", "level up from prototype", "vibe coded this now what". Based on Karpathy posts 3 and 6.
disable-model-invocation
false
user-invocable
true
related_skills
karpathy-agentic-engineering, karpathy-minimalism, karpathy-supply-chain-hygiene, karpathy-understanding-first

Skill 5: Vibe Coding → Agentic Leap(Vibe编码 → 代理跃迁)

Source: https://x.com/karpathy/status/2004607146781278521 | https://x.com/karpathy/status/2026731645169185220 "I've never felt this much behind as a programmer" — 56k likes

Core Principle

Vibe coding raises the floor. Agentic engineering raises the ceiling.

They're not the same thing and you need both:

Vibe CodingAgentic Engineering
GoalFast prototype, explore ideasReliable, maintainable, verifiable
HowNatural language → run itTask specs + success criteria + loops
WhenFirst 20% (exploration)Last 80% (execution)
RiskYou don't understand what you builtAgent doesn't understand what you want
Karpathy says"raises the floor""raises the ceiling"

The Transition Protocol

When you have a vibe-coded prototype and need to level it up:

Step 1: Audit What You Built
I vibe-coded this [project/script/app]. I need to understand what I actually have before leveling it up.

[PASTE CODE OR DESCRIBE IT]

Please:
1. Describe exactly what this does in plain English (3-5 sentences)
2. List every assumption baked in (hardcoded values, expected input format, etc.)
3. Identify the 3 most likely failure modes
4. List what's missing for this to be production-ready
5. What would break if I ran this on a different machine / with different data?

Be blunt. I'm about to invest more time in this and need to know if it's worth it.
Step 2: Define Success Criteria
Based on this audit of my prototype:

[AUDIT OUTPUT FROM STEP 1]

Help me define clear, verifiable success criteria for the "production-ready" version.

Format each criterion as a testable assertion:
- GIVEN [input/condition]
- WHEN [action]
- THEN [expected output/behavior]

List 5-7 criteria. Start with the most important.
Step 3: Agentic Cleanup Loop
You are a senior engineer reviewing this prototype. Your job is to systematically improve it.

Prototype: [CODE]
Success criteria: [FROM STEP 2]

Work incrementally:
1. First fix: address the most critical issue only (one diff)
2. After I approve each fix, suggest the next
3. Never refactor unrelated code
4. For each fix, explain: WHAT changed, WHY this matters, RISK of this change

Start with fix #1.

Common Vibe Coding Smells to Clean Up

Review this vibe-coded project for these specific anti-patterns:

[PASTE CODE]

Check for:
1. Hardcoded credentials, paths, or magic numbers → suggest config/env vars
2. No error handling on file I/O or network calls → add try/except with clear messages
3. print() debugging left in → identify and offer to remove
4. Functions doing 3+ things → suggest split points
5. No way to run without human supervision → suggest automation hooks
6. Dependencies that aren't in requirements.txt / package.json

For each issue found: show the exact line and suggest the minimal fix.

The Two-Track System

Karpathy runs these in parallel:

TRACK A (IDE / Human)          TRACK B (Agent)
─────────────────────          ───────────────
- Review diffs                 - Implement incrementally
- Apply taste/judgment         - Run tests automatically  
- Verify understanding         - Suggest next steps
- Commit good work             - Generate options
- Ask "is this right?"         - Never commit autonomously

Always keep a human in the loop for the taste judgment. Agents are for execution, not for deciding what's worth building.

Quick Upgrade Prompt

For fast one-shot upgrade of a simple vibe script:

Upgrade this vibe-coded script to production quality.

[PASTE SCRIPT]

Requirements:
1. Add proper error handling (no unhandled exceptions)
2. Make all hardcoded values configurable via CLI args or env vars
3. Add a --dry-run flag that shows what would happen without doing it
4. Add basic logging (not print) with timestamps
5. Keep the core logic identical — only add robustness
6. Maximum 20% increase in line count

Output the complete upgraded script.

Workflow

属于工作流:想法到上线(开发者)

位置上游下游
第5步(收尾)karpathy-supply-chain-hygiene(安全审查后)部署/交付

完整链路:idea-files → agentic-engineering → minimalism → supply-chain-hygiene → vibe-to-agentic

Prompt Contract

text
I have a vibe-coded prototype: <PASTE_CODE_OR_DESCRIBE>. Step 1: Audit — describe what it does, list hidden assumptions, identify failure modes, list what's missing for production. Step 2: Define 5-7 verifiable success criteria in GIVEN/WHEN/THEN format. Step 3: Start the agentic cleanup loop — one incremental fix at a time, explain WHAT/WHY/RISK for each.

Verification Checklist

  • 原型的隐含假设已全部列出
  • 成功标准已定义为可测试的 GIVEN/WHEN/THEN 格式
  • 每轮修复只改一个问题
  • 核心逻辑没有被破坏(功能不变)
  • 增加了错误处理和日志
  • 硬编码值已替换为配置项

© LearnPrompt, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in karpathy-vibe-to-agentic of LearnPrompt/andrej-karpathy-skills.

Open the folder on GitHubat commit 9e46dec

Compare with similar skills

Karpathy Vibe To Agentic next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Karpathy Vibe To Agentic compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Karpathy Vibe To Agentic this skillLearnPrompt/andrej-karpathy-skills110—~1.4kAutomated safety check: PassMIT
Native Feel Cross Platform Desktopyetone/native-feel-skill1.9k1 repos~1.5kAutomated safety check: PassMIT
Compound Engineering PrototypeEveryInc/compound-engineering-plugin25k—~1.9kAutomated safety check: PassMIT
Collaborating With CodexGuDaStudio/collaborating-with-codex1321 repos~712Automated safety check: PassMIT
Digikeyaklofas/kicad-happy1.4k1 repos~4.5kAutomated safety check: PassMIT
Collaborating With Geminihaoyu-haoyu/Multi-AI-Workflow109—~521Automated safety check: PassMIT

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Categories

Questions about Karpathy Vibe To Agentic

What does Karpathy Vibe To Agentic do?

Transition from vibe coding (fast prototyping) to agentic engineering (rigorous iteration). Karpathy Vibe To Agentic is an agent skill from LearnPrompt/andrej-karpathy-skills. Transition from vibe coding (fast prototyping) to agentic engineering (rigorous iteration).

When should I use Karpathy Vibe To Agentic?

Karpathy Vibe To Agentic fits situations like: the user has a rough prototype and wants to level it up; needs to go from it kind of works to production-quality; wants to understand the difference between vibe coding and agentic coding; says polish this.

How do I install Karpathy Vibe To Agentic in Claude Code?

Run `npx skills add LearnPrompt/andrej-karpathy-skills --skill karpathy-vibe-to-agentic -a claude-code`. Or copy the skill folder (karpathy-vibe-to-agentic in LearnPrompt/andrej-karpathy-skills) into .claude/skills/karpathy-vibe-to-agentic in your project. Claude Code loads it when a task matches its description.

How do I install Karpathy Vibe To Agentic in Codex?

Run `npx skills add LearnPrompt/andrej-karpathy-skills --skill karpathy-vibe-to-agentic -a codex`. Or copy the skill folder (karpathy-vibe-to-agentic in LearnPrompt/andrej-karpathy-skills) into .agents/skills/karpathy-vibe-to-agentic in your project. Codex loads it when a task matches its description.

Can I use Karpathy Vibe To Agentic in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add LearnPrompt/andrej-karpathy-skills --skill karpathy-vibe-to-agentic -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/karpathy-vibe-to-agentic, .gemini/skills/karpathy-vibe-to-agentic, .github/skills/karpathy-vibe-to-agentic and .opencode/skills/karpathy-vibe-to-agentic in your project.

What does Karpathy Vibe To Agentic need to run?

SKILL.md names no scripts, command-line tools or credentials: Karpathy Vibe To Agentic is instructions for the agent only.

Does Karpathy Vibe To Agentic access the network?

SKILL.md names 1 domain. As links in the text: x.com. This is read from the text; nothing was executed.

Is Karpathy Vibe To Agentic safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Karpathy Vibe To Agentic use?

Karpathy Vibe To Agentic is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Karpathy Vibe To Agentic use?

About 1.4k tokens (SKILL.md is roughly 5.5k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Karpathy Vibe To Agentic?

Skills that share tags, products or a category with Karpathy Vibe To Agentic: Native Feel Cross Platform Desktop (yetone/native-feel-skill, 1.9k stars), Compound Engineering Prototype (EveryInc/compound-engineering-plugin, 25k stars), Collaborating With Codex (GuDaStudio/collaborating-with-codex, 132 stars) and Digikey (aklofas/kicad-happy, 1.4k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Karpathy Vibe To Agentic?

LearnPrompt (a GitHub user) maintains it in LearnPrompt/andrej-karpathy-skills, which has 110 GitHub stars. The repository holds 15 skills in this directory. The repository was last updated on July 10, 2026.

Source: LearnPrompt/andrej-karpathy-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.