Official passport, visa and ID photo requirements for 290 documents, with source and date.
Scored across 4 tools
Each tool has a distinct role in a clear pipeline: find_document resolves a slug, list_countries enumerates the whole dataset, get_photo_spec returns requirements, and get_make_link produces the user-facing URL. Descriptions explicitly state when to prefer one over the other (list_countries vs find_document), so misselection is unlikely.
All four tools follow the same snake_case verb_noun pattern (find_document, get_photo_spec, get_make_link, list_countries), with verbs accurately signalling lookup versus retrieval. No mixed conventions or vague names.
Four tools is tightly scoped for a photo-specification lookup service, and each one is necessary: discovery, enumeration, spec retrieval, and the make-photo link. Nothing looks padded or missing at the tool-count level.
The surface covers the realistic workflow end to end: find the document, read its official spec, and hand the user a link to take the photo privately. Minor gaps exist, such as no way to browse all documents for a country directly, but list_countries counts plus find_document keywords let an agent work around this.
Resolve a user's country and document into the slug the other tools take. Pass the words the user used ('India passport', 'Schengen visa', 'UK passport digital', '2x2'). Returns JSON text with up to 5 matches, each with 'slug' (use it for get_photo_spec and get_make_link), the country, the document family, the title and a 'url' to cite, plus an 'attribution' line to quote with the answer.
Inputs: query (required), locale, country.
A link that opens the photo tool for one document, so the user takes or uploads the photo on their own device. The photo is processed privately in the user's browser and is never sent through this connection: never ask the user for the photo here. Returns JSON text with 'url' (give it to the user), an 'instruction' sentence and an 'attribution' line.
Inputs: slug (required), client, locale.
The official photo requirements of one document: print size in mm and inches, pixel size, digital file limits, head height and eye line as percentages of the photo height, background, glasses, expression, head covering, photo age, the authority's own guidance on photos taken at home, the source URL and the date it was last verified. Returns JSON text; numbers are millimetres, pixels, kilobytes or percentages as named. Quote the 'url' and the 'attribution' line in the answer and offer 'makeUrl' when the user wants the photo made.
Inputs: slug (required), locale.
Every country in the dataset with its ISO code, slug, number of documents and the URL of its page. Returns JSON text (about 12 KB) with 'count', 'countries' and an 'attribution' line. Use find_document instead when the user already named a country.
Inputs: locale.
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Official passport and visa photo rules for 27 documents, with sources and check dates.
Passport, visa and ID photo sizes, head size and background rules from official sources.
Passport and visa photo rules for 110 documents in 60 countries, and upload limits as exact numbers.
Turn a portrait into a compliant passport, visa or ID photo. 300+ official specs, 3 free a day.
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