How to Use Cline 2026
Cline formerly Claude Dev is the most popular open-source AI agent extension for VS Code. This guide goes from install to first autonomous task. Step 1 — Install VS Code → Extensions → search "Cline" → install. Released by saoudrizwan. Step 2 — Configure API Key Cmd+Shift+P → "Cline: Open Settings". Pick provider: - Anthropic: paste Claude API key - OpenAI: paste OpenAI API key - OpenRouter: 100+…