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Crypto prices in EUR on 1 January 00:00 Dutch time (box 3 reference date), per coin and exchange.
Remote server: your requests and data go to cryptopeildatum.nl. Claude Code: claude mcp add --transport http cryptopeildatum https://cryptopeildatum.nl/mcp · Claude app: Settings → Connectors → Add custom connector.
The tools this server listed when we connected to it, in its own words.
get_reference_price — Price in EUR of one coin on 1 January 00:00 Dutch time (31 December 23:00 UTC) of the given year, per exchange platform. Omit platform to gevalue_portfolio — Value in EUR of a list of holdings on 1 January 00:00 Dutch time of the given year, using each holding's platform price. Returns value per lcompare_platforms — All six platforms side by side for one coin on 1 January 00:00 Dutch time of the given year, with missing platforms marked and the spread beprice_history — Every reference-date price (1 January 00:00 Dutch time) of one coin since the first year with data, per platform, with the percentage changesearch_coins — Find coins by ticker, name or slug; tolerant of case and partial input ("eth", "bitc", "ripple"). Returns ticker, name, slug, platforms withexplain_box3 — Fixed, factual explanation (Dutch and English) of how crypto is valued for Dutch box 3: reference moment, which price to use, own wallets, aNot tested by KitScout yet. When our harness runs it, pros, cons and the tasks we tried appear here, with the date and evidence.