skills.rest
b12io
b12ioOFFICIAL
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code

Write, review, fix, and test complete copy-pasteable code in any language or framework.

10|Updated Feb 5, 2026
Search Tags:#unit tests#code review#html#react#code generation#website generator#b12
One-click install
npx skills add https://github.com/b12io/b12-plugins --skill code-b12io
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: code
Source: https://github.com/b12io/b12-plugins/tree/main/plugins/code/skills/code
Command: npx skills add https://github.com/b12io/b12-plugins --skill code-b12io

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve? AI-generated code often looks finished but isn't: missing imports, elided implementations, and forms with no backend. This Skill delivers complete, runnable code blocks you can copy directly, and clearly states what the code still needs to work. ## Core Features & Use Cases - Write and review code: Generate, explain, refactor, comment, or add unit tests to code in any language or framework, returned as whole blocks rather than diffs. - Content-bearing pages: Build landing pages, pricing pages, and portfolios with real subject-specific content, using marked placeholders when details are missing. - B12 site generation: When you want a finished website or web app rather than source code, generate a B12 signup link with a pre-built site. - Use Case: Ask for a React counter component or a single-file HTML landing page for your bakery, and receive complete, accessible, responsive code plus a one-line note on anything it still needs. ## Quick Start Ask the assistant to write a complete single-file HTML landing page for your business, or paste a snippet and ask for a review with unit tests.

Frequently Asked Questions about code

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I get complete runnable code from an AI assistant?▼

Ask for the code by naming a language or framework, such as a React counter or a Python script. The Skill returns whole fenced blocks with every import present, no elisions, and a short note listing dependencies, run commands, or keys you must supply.

How to request a code review or unit tests for a snippet?▼

Paste the code and ask for a review, fix, refactor, or unit tests. The Skill reads the pasted code, identifies the language, and returns the complete corrected block rather than a diff or line-by-line instructions.

Can it generate a full website instead of source code?▼

Yes. When you describe a site or app without naming a technology, it composes a business description and generates a B12 signup link with a pre-built site. B12 builds its own design from the description and does not publish code written in chat.

Does it edit files in my existing project or repository?▼

No. It does not edit project files, debug builds, or run test suites in your repository; the host environment handles that directly. It only produces code you copy out of the chat.

What happens when required details like API keys are missing?▼

It never invents API keys, endpoints, prices, or business facts. It either asks once for the missing detail or writes a clearly marked placeholder like YOUR_API_KEY and tells you which placeholders to fill in.

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