QCode Documentation

Introduction

Learn what Claude Code is, how it compares to competitors, and how to use it at lower cost through QCode.cc

Claude Code Complete Tutorial

From installation to mastery — A comprehensive guide to Claude Code covering setup, core features, model selection, practical examples and best practices

Codex vs Claude Code: An In-Depth Comparison

A comprehensive 2026 comparison of the two leading AI coding tools -- execution style, model capabilities, security, cost analysis, and how QCode.cc lets you use both

Installation

Install and configure Claude Code on Windows, macOS, and Linux

One-Click Setup Script

One command to fully configure Claude Code / Codex: latency-based endpoint selection, config writing, CLI installation and connectivity verification — no sudo / admin rights required

Environment Variables

How to configure environment variables so Claude Code, Codex, Gemini, and other AI coding tools connect to QCode.cc: core variables, a per-tool table, where to set them, and how to verify

Quick Start

Learn Claude Code essentials in 5 minutes

Codex Quick Start

Get Codex CLI installed and configured in 5 minutes -- start AI-powered coding with QCode.cc

Endpoints & API Paths

QCode.cc's three API protocols (Anthropic / OpenAI / Google Gemini), four access domains, and how to fill in BASE_URL

CLI Tips

34 practical Claude Code CLI tips to boost your development efficiency

Workflow Tips

Efficient Claude Code development workflows to boost team productivity

Dynamic Workflows

Use Claude Code's Dynamic Workflows to orchestrate dozens to hundreds of background sub-agents for repo-wide review, migration, and research — works through QCode

Output formats: json / text / stream-json

Use claude -p's --output-format to handle Claude Code output in scripts and CI — structured json parsing, real-time stream-json event streams, default plain text, with jq and pipe recipes

AGENTS.md Configuration Guide

AGENTS.md is Codex's project configuration file -- define your AI coding assistant's behavior rules, similar to Claude Code's CLAUDE.md

Best Practices

Best practices for efficient Claude Code usage, a comprehensive guide from project initialization to team collaboration

CLAUDE.md Configuration Guide

Using CLAUDE.md to provide Claude Code with project context and coding conventions

Context Management

Understanding and managing Claude Code's context window, and effectively using commands like /compact and /clear

Cost Optimization Guide

Master Claude Code's cost control techniques to accomplish more with fewer tokens

Model Selection Guide

Understand the characteristics and applicable scenarios of different AI models to make the best choice.

Permission Configuration

Configure Claude Code's permission modes to control which operations require human confirmation

Adaptive Thinking Configuration Guide

Adaptive thinking on Claude Opus 4.8 / Sonnet 4.6 / Haiku 4.5: thinking + effort parameters, differences from the legacy budget_tokens, and quality vs. cost trade-offs

Image Input (Vision)

Feed images to Claude Code: paste, drag-and-drop, or reference a file path so the model can read screenshots, mockups, architecture diagrams, and charts. Powered by QCode.cc vision models — one API Key works across every endpoint.

gpt-image-2 Image Generation and Editing

OpenAI-compatible gpt-image-2 text-to-image + image-edit API: drop in by switching base_url, multi-region endpoints, unified billing with your QCode key

Use QCode with 9router

Add QCode.cc as a custom provider in 9router, a local multi-provider router, for cross-provider fallback and unified management

Automation & CI/CD

Use Claude Code's headless mode in scripts and CI/CD pipelines

Hooks System

Customize Claude Code behavior with Hooks — auto-formatting, security interception, notifications, and more

MCP Servers

Extend Claude Code capabilities with Model Context Protocol to connect external tools and services

Mastering Claude Code's Plan Mode — Plan First, Then Execute for More Controllable and Efficient AI Programming

Plugin System

Use Claude Code plugin system to create custom commands, agents, and workflows

Security Best Practices

Fully mastering Claude Code's security mechanisms — permission control, sensitive file protection, command interception, API key management

Skills Guide

How to use and create Claude Code Skills

Sub-agent Collaboration Mode

Understanding and using Claude Code's sub-agents — parallel exploration, background tasks, isolated execution

Getting Started with Claude Agent SDK

Learn how to build AI Agent applications using the Claude Agent SDK, connected via QCode.cc API

VS Code Integration

Use the Claude Code extension in VS Code

JetBrains IDE

Use Claude Code through QCode in IntelliJ IDEA, WebStorm, PyCharm, GoLand, and other JetBrains IDEs

Cline Integration

Use QCode.cc API with the Cline extension in VS Code

Aider Integration

Use the Aider open-source AI coding assistant with QCode.cc API

DeepSeek-TUI Integration

Connect DeepSeek-TUI to QCode.cc: run Claude models in your terminal via an OpenAI-compatible provider

OpenCode Integration

Using OpenCode open-source terminal AI coding assistant with QCode API

CC Switch Setup

Use the CC Switch desktop app to connect QCode.cc to Claude Code and Codex CLI in one click, and switch between multiple providers/accounts instantly

Codex Complete Tutorial

From Installation to Mastery — Complete Usage Guide for OpenAI Codex CLI with QCode.cc

Gemini Integration

Configure Google Gemini CLI with QCode.cc API key

Google Antigravity CLI Integration

Configure Google Antigravity CLI with your QCode.cc API key: edit ~/.config/antigravity/config.toml, set an OpenAI-compatible base_url and a model

Trae Integration

Use the Claude Code extension in ByteDance's Trae IDE (including offline install guide for Trae CN)

Claude Desktop Setup

Configure QCode.cc as a third-party inference gateway in Claude Desktop's developer mode and share a single QCode quota across all your tools

Zed Editor Setup

Connect QCode.cc to the Zed editor via the Agent Client Protocol (ACP) or settings.json, enabling the Opus 4.8 / 4.7 1M-context agent panel and OpenAI-compatible upstreams

Cursor Editor Setup

Connect QCode.cc to Cursor IDE with a custom Anthropic / OpenAI Base URL + API Key, including model config, custom-endpoint limitations, and troubleshooting

Connect SillyTavern to QCode

Chat with QCode.cc's Claude / GPT models in SillyTavern; an honest note on whether gpt-image-2 image generation can be connected, plus alternatives

Claude Code Cheatsheet

Claude Code one-page cheatsheet — keyboard shortcuts, slash commands, CLI flags, env vars, MCP, Skills, Agents, CLAUDE.md reference

Enterprise Team Guide

QCode Enterprise — dedicated domain, sub-key management, account protection, multi-tool support, team deployment and security

Error Code Reference

Common Claude Code error codes and solutions

Billing Description

Understanding QCode.cc's billing methods, pricing data sources, and fee calculation logic

Model Pricing

Pricing details for AI models supported by QCode

FAQ

Frequently asked questions about Claude Code and QCode.cc

Troubleshooting Guide

Diagnosis and solutions for common Claude Code problems, helping you quickly locate and fix issues

Partner Open API Guide

Once you are an approved QCode partner, manage your reseller account programmatically with an access token: check balance and usage, create and toggle the sub API Keys you resell. Covers the prerequisite, how to apply, auth, endpoint reference, rate limits and security.