Trade Tariffs MCP for ChatGPT

net.nexlab/trade-tariffs

US import tariff lookup against the official USITC Harmonized Tariff Schedule

client:ChatGPT transport:streamable-http

Install Trade Tariffs MCP in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.nexlab.net/mcp/trade-tariffs

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs