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Islamic prayer times & calendar MCP (Aladhan API). Keyless.

Transport Feeds MCP.

Reddit Archive — historical Reddit post and comment search, and subreddit activity over time…

Pulsedive MCP — threat-intelligence IOC enrichment (pulsedive.com)

VAERS (Vaccine Adverse Event Reporting System) — report counts by vaccine, manufacturer, symptom…

DataCite MCP — DOIs for research datasets (free, no auth)

German federal statutes and ordinances (Bundesrecht) — search by title or official abbreviation…

Quiver Quantitative MCP — alternative-data on public companies (quiverquant.com)

Reverb MCP — the musical-instrument marketplace

Sitemap Stats MCP — reads a domain's sitemap(s) and reports their STRUCTURE, not their content.…

Trefle MCP — global plant database (1M+ species)

Veriphone MCP — wraps the Veriphone phone-validation API (veriphone.io)

UCC Liens — business-debtor UCC (Uniform Commercial Code) financing statements for Colorado…

TTAB (Trademark Trial and Appeal Board) MCP — TTABVUE inquiry system

SEC Contracts MCP — material-contract exhibits (EX-10 / EX-4 / EX-2) found by CLAUSE LANGUAGE over…

Portugal public procurement MCP -- IMPIC (Instituto dos Mercados Públicos, do Imobiliário e da…

tw-law — Taiwan national statutes and the Constitution, in Chinese plus the Ministry of Justice's…

Edge Case Museum MCP — 'Your code works. Except for these wonderfully terrible inputs.'

Netherlands Open Data (data.overheid.nl/data) CKAN MCP.

Unpaywall MCP — open-access lookup for scholarly papers (free, no key)