API and MCP server

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MCP server

Add it to ChatGPT, Claude or any MCP client as a remote server. Streamable HTTP, no authentication.

https://will-it-plug.vercel.app/mcp/

check_trip(from, to) - do my plugs fit, do I need an adapter or converter, and what to pack.
country_plugs(country) - outlet and plug types, voltage and frequency for one country.

Both accept English country names ("Japan") or ISO codes ("jp").

JSON API

Static JSON on a CDN, CORS enabled. Countries use lowercase ISO 3166-1 alpha-2 codes.

/api/v1/countries.json
Every country: plugs, outlets, voltage, frequency and page URL.
/api/v1/countries/jp.json
One country by ISO code, with notes, sources and when it was last checked.
/api/v1/trips/us/jp.json
A trip: which plugs fit, whether you need an adapter or converter, and a packing checklist.
/api/v1/plugs.json
The plug and socket standards and which plugs each socket takes.
/api/v1/openapi.json
OpenAPI 3.1 description of all of the above.

curl https://will-it-plug.vercel.app/api/v1/trips/us/jp.json

Every response includes a credit object and the URL of the matching page. Shapes only change in a new version path. Also see llms.txt and theAPI catalog.