7872 Model Context Protocol servers — searchable, rated, ready to install.
Search curated free and open source AI tools for indie makers on OpenFree.
World Register of Marine Species: search names, read records, children and full classification.
Chronicling America: search historical US newspaper pages and titles at the Library of Congress.
ROR: search 110k+ research organizations by name, country and type with stable ids - keyless.
Pay-per-call keyword research via Apify: autocomplete, volume, CPC, difficulty, ideas, Google Trends
Search engine for AI agents: seller-published products, verified companies, live MCP servers.
Read-only, sourced and dated facts on AI tools: search, compare, pricing, free alternatives.
Search open jobs, track new and closed roles, and get salaries on Greenhouse, Ashby, Lever, Workday.
RxNorm drug concepts: lookup, normalisation, properties, package NDCs, interaction checks, spelling.
Search 1.7M+ tech-Twitter posts, 400K+ tech articles (mostly Chinese) and twice-daily AI digests.
USGS Water Services: gauge metadata, live readings, daily values and statewide gauge search.
YouTube growth tools: keyword research, title scoring, AI titles, tags, audits, outliers, ideas.
One question searched in science, world news, Internet Archive, GitHub and discussions. Free.
Search, compare and find alternatives across a directory of AI agents, MCP servers and skills.
GLEIF LEI and legal entity lookup for AI agents. 20K entities.
Spaceflight News API v4: 36k+ space articles, full-text search, outlet filter, agency reports.
Read-only medical device regulatory data: NMPA UDI, FDA 510(k)/PMA/classification lookups.
CrossFit and HYROX workout search, benchmark targets, scaling guidance, and movement technique.
Italian bus and train searches with live prices, availability and status.
Smithsonian Global Volcanism Program: search Holocene volcanoes, read summaries, eruption years and
Read-only lookup of verified, version-pinned dependency bug notes: search and read. No account.
Search and read terms across hundreds of biomedical ontologies via the EBI OLS - keyless.
Search, bid on and lease domain names from DoodleSale. Bids and offers need user confirmation.
Hacker News: front page, new and best feeds, item detail, user profiles, full-text search.
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