# Qec Code Builder

> Quantum error correction code implementation skill for fault-tolerant quantum computing

- Skill: `a5c-ai/qec-code-builder` (Agent Skill)
- Install (CLI): `npx skillmds@latest add a5c-ai/qec-code-builder`
- Raw SKILL.md: https://api.skillmd.com/api/skills/a5c-ai/qec-code-builder/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: a5c-ai (https://skillmd.com/u/a5c-ai)
- Updated: 2026-09-09
- Page: https://skillmd.com/skills/a5c-ai/qec-code-builder

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# QEC Code Builder

## Purpose

Provides expert guidance on quantum error correction code implementation, enabling fault-tolerant quantum computing through encoding, syndrome extraction, and logical operations.

## Capabilities

- Surface code implementation
- Steane code [[7,1,3]] construction
- Color code implementation
- Repetition code for testing
- Syndrome extraction circuits
- Logical gate implementations
- Code distance optimization
- Threshold analysis

## Usage Guidelines

1. **Code Selection**: Choose QEC code based on error model and resource constraints
2. **Encoding Design**: Implement logical qubit encoding circuits
3. **Syndrome Extraction**: Design efficient syndrome measurement schedules
4. **Decoder Integration**: Connect to appropriate decoding algorithms
5. **Logical Operations**: Implement fault-tolerant logical gates

## Tools/Libraries

- Stim
- PyMatching
- QLDPC
- Qiskit
- Cirq