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Integrate with Reasonix

Reasonix is a DeepSeek-native coding agent that runs in the terminal. It's designed around DeepSeek's API directly — cache-first loop, flash-first cost control, automatic tool-call repair — and talks to api.deepseek.com without a translation shim.

1. Install Node.js

2. Get a DeepSeek API Key

Get your API Key from the DeepSeek Platform. The first run of Reasonix prompts for it via a built-in wizard and persists it to ~/.reasonix/config.json — no environment variable needed.

3. Enter the project directory and run npx reasonix code to get started.

cd /path/to/my-project
npx reasonix code

No global install required. By default Reasonix uses DeepSeek-V4-Flash for cost-efficient iteration. Type /pro inside the TUI to arm DeepSeek-V4-Pro for the next turn, or /preset max to use Pro for the whole session. Run /help for the full slash-command reference.