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One Open Source Project a Day (No.84): free-claude-code - Run Claude Code for Free with One Environment Variable

A deep dive into free-claude-code, a lightweight Python proxy with 14k+ Stars that topped GitHub Trending. By intercepting Claude Code's Anthropic API requests and routing them to free backends (NVIDIA NIM, OpenRouter, local Ollama), it delivers the full Claude Code CLI experience at zero cost. Includes Thinking Token conversion, intelligent rate limiting, and Discord/Telegram bot automation. MIT licensed.