Show HN: iherb-CLI – An agent-optimized CLI for AI-driven supplement research
sebubu Sunday, February 15, 2026
iHerb has no public API, so I built a CLI that gives AI agents structured access to their entire product catalog. The idea: let your AI assistant autonomously research supplements, compare ingredients and dosages, and recommend products for a health protocol — backed by real data, not just training knowledge.
The CLI outputs clean Markdown, caches results, and handles Cloudflare bot protection via a headless browser. It ships as a Claude Code skill, so you can ask things like "compare the top 3 magnesium glycinate supplements by price and bioavailability" and the agent will do multi-step research on its own.
Built in Rust. No API key or account needed.
Summary
The article describes iherb-cli, an open-source command-line interface tool for interacting with the iHerb online store. It allows users to search for products, view product details, add items to their cart, and manage their orders directly from the terminal.
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