Reference & Knowledge Bases in 2025

Updated April 20, 2025
Reference
Knowledge Base
Encyclopedia
Dictionary
Archive
Websites featured on this list
thefreedictionary.com
etymonline.com
factcheck.org
ourworldindata.org
imdb.com
themoviedb.org
allmusic.com
boardgamegeek.com
+14
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Access encyclopedias, dictionaries, archives, fact-checking sites, and specialized knowledge bases. Find definitions, historical information, factual data, and expert resources via MCP servers. Empower your AI assistant to look up facts, verify information, understand terminology, and explore comprehensive knowledge resources.

1

@omneity/thefreedictionary.com thefreedictionary.com

Quick Run Command
herd trail server @omneity/thefreedictionary.com

Online dictionary, thesaurus, and encyclopedia.

@omneity/thefreedictionary.com

0
@omneity
services
history
finance
+2

Use thefreedictionary.com via MCP and API: The World's most comprehensive free online dictionary, thesaurus, and encyclopedia with synonyms, definitions, idioms, abbreviations, and medical, financial, legal specialized dictionaries

2

@omneity/etymonline.com etymonline.com

Quick Run Command
herd trail server @omneity/etymonline.com

Online etymology dictionary explaining the origins of English words.

@omneity/etymonline.com

0
@omneity
search
software
technology
+2

Use etymonline.com via MCP and API: The online etymology dictionary (etymonline) is the internet's go-to source for quick and reliable accounts of the origin and history of English words, phrases, and idioms. It is professional enough to satisfy academic standards, but accessible enough to be used by anyone.

3

@omneity/factcheck.org factcheck.org

Quick Run Command
herd trail server @omneity/factcheck.org

Nonpartisan project monitoring the factual accuracy of US political statements.

@omneity/factcheck.org

0
@omneity
politics
technology

Use factcheck.org via MCP and API: factcheck.org website

4

@omneity/ourworldindata.org ourworldindata.org

Quick Run Command
herd trail server @omneity/ourworldindata.org

Presents data and research on global issues like poverty, health, and environment.

@omneity/ourworldindata.org

0
@omneity

Use ourworldindata.org via MCP and API: Research and data to make progress against the world’s largest problems

5

@omneity/imdb.com imdb.com

Quick Run Command
herd trail server @omneity/imdb.com

Internet Movie Database: Comprehensive resource for movies, TV, and celebrities.

@omneity/imdb.com

0
@omneity
entertainment
movies
technology
+2

Use imdb.com via MCP and API: IMDb is the world's most popular and authoritative source for movie, TV and celebrity content. Find ratings and reviews for the newest movie and TV shows. Get personalized recommendations, and learn where to watch across hundreds of streaming providers.

6

@omneity/themoviedb.org themoviedb.org

Quick Run Command
herd trail server @omneity/themoviedb.org

TMDB: Community-built movie and TV database.

@omneity/themoviedb.org

0
@omneity
movies
technology
software
+2

Use themoviedb.org via MCP and API: The Movie Database (TMDB) is a popular, user editable database for movies and TV shows.

7

@omneity/allmusic.com allmusic.com

Quick Run Command
herd trail server @omneity/allmusic.com

Comprehensive database of music information.

@omneity/allmusic.com

0
@omneity
music
entertainment
marketing
+2

Use allmusic.com via MCP and API: AllMusic provides comprehensive music info including reviews and biographies. Get recommendations for new music to listen to, stream or own.

8

@omneity/boardgamegeek.com boardgamegeek.com

Quick Run Command
herd trail server @omneity/boardgamegeek.com

Online resource and community for board game hobbyists.

@omneity/boardgamegeek.com

0
@omneity
gaming
marketing
entertainment
+2

Use boardgamegeek.com via MCP and API: The definitive source for board game and card game content. Find millions of ratings, reviews, videos, photos, and more from our community of experts.

9

@omneity/serebii.net serebii.net

Quick Run Command
herd trail server @omneity/serebii.net

Provides comprehensive news and information about the Pokémon franchise.

@omneity/serebii.net

0
@omneity
gaming
entertainment
technology
+2

Use serebii.net via MCP and API: Contains up-to-date news, databases and information about all Pok�mon Games, TCG sets and the TV show.

10

@omneity/mariowiki.com mariowiki.com

Quick Run Command
herd trail server @omneity/mariowiki.com

Comprehensive encyclopedia dedicated to the Super Mario franchise.

@omneity/mariowiki.com

0
@omneity
gaming
software
communication
+1

Use mariowiki.com via MCP and API: The Super Mario Wiki is a comprehensive encyclopedia dedicated to the Super Mario video game franchise from Nintendo, with 30,813 articles.

11

@omneity/wowhead.com wowhead.com

Quick Run Command
herd trail server @omneity/wowhead.com

World of Warcraft database featuring guides, news, and tools.

@omneity/wowhead.com

0
@omneity
gaming
entertainment
services
+2

Use wowhead.com via MCP and API: The largest World of Warcraft (WoW) information site, featuring guides, news, and information on classes, gearing, professions, raids, transmog, and more.

12

@omneity/tvtropes.org tvtropes.org

Quick Run Command
herd trail server @omneity/tvtropes.org

Wiki documenting tropes found in creative works.

@omneity/tvtropes.org

0
@omneity
entertainment
tv

Use tvtropes.org via MCP and API: TV Tropes, the all-devouring pop-culture wiki, catalogs and cross-references recurrent plot devices, archetypes, and tropes in all forms of media.

13

@omneity/rationalwiki.org rationalwiki.org

Quick Run Command
herd trail server @omneity/rationalwiki.org

Wiki analyzing pseudoscience, authoritarianism, and crank ideas.

@omneity/rationalwiki.org

0
@omneity
technology

Use rationalwiki.org via MCP and API: rationalwiki.org website

14

@omneity/encyclopedia.com encyclopedia.com

Quick Run Command
herd trail server @omneity/encyclopedia.com

Aggregates information from credible published sources like encyclopedias and dictionaries.

@omneity/encyclopedia.com

0
@omneity
education
services

Use encyclopedia.com via MCP and API: Encyclopedia.com – Online dictionary and encyclopedia with pictures, facts, and videos. Get information and homework help with millions of articles in our FREE, online library.

15

@omneity/biography.com biography.com

Quick Run Command
herd trail server @omneity/biography.com

Features profiles of notable figures throughout history.

@omneity/biography.com

0
@omneity
entertainment

Use biography.com via MCP and API: Read exclusive biographies, watch videos, and discover fascinating stories about your favorite icons, musicians, authors, and historical figures.

16

@omneity/worldhistory.org worldhistory.org

Quick Run Command
herd trail server @omneity/worldhistory.org

Non-profit organization publishing the world's most-read history encyclopedia.

@omneity/worldhistory.org

0
@omneity
history
business
services

Use worldhistory.org via MCP and API: The free online history encyclopedia with fact-checked articles, images, videos, maps, timelines and more; operated as a non-profit organization.

17

@omneity/sacred-texts.com sacred-texts.com

Quick Run Command
herd trail server @omneity/sacred-texts.com

Archive of online books about religion, mythology, folklore and the esoteric.

@omneity/sacred-texts.com

0
@omneity
books
technology
religion
+2

Use sacred-texts.com via MCP and API: This is a quiet place in cyberspace devoted to religious tolerance and scholarship

18

@omneity/manualslib.com manualslib.com

Quick Run Command
herd trail server @omneity/manualslib.com

Large database of product manuals and user guides.

@omneity/manualslib.com

0
@omneity
search
literature

Use manualslib.com via MCP and API: Search through 3.000.000 manuals online & and download pdf manuals.

19

@omneity/duden.de duden.de

Quick Run Command
herd trail server @omneity/duden.de

Authoritative dictionary of the German language.

@omneity/duden.de

0
@omneity

Use duden.de via MCP and API: Duden ist die Marke der deutschen Sprache ➤ Wörterbücher, Sachbücher, Ratgeber, Lernhilfen und viele digitale Produkte (Software und Apps) ➤ Duden ist mehr als ein Wörterbuch!

20

@omneity/jisho.org jisho.org

Quick Run Command
herd trail server @omneity/jisho.org

Powerful Japanese-English dictionary.

@omneity/jisho.org

0
@omneity

Use jisho.org via MCP and API: Powerful and easy-to-use online Japanese dictionary with words, kanji and example sentences.

21

@omneity/wikidata.org wikidata.org

Quick Run Command
herd trail server @omneity/wikidata.org

Free and open knowledge base that can be read and edited by both humans and machines.

@omneity/wikidata.org

0
@omneity
ai
technology

Use wikidata.org via MCP and API: wikidata.org website

22

@omneity/openlibrary.org openlibrary.org

Quick Run Command
herd trail server @omneity/openlibrary.org

Online project by Internet Archive aiming to create 'one web page for every book ever published'.

@omneity/openlibrary.org

0
@omneity
technology
books
literature
+2

Use openlibrary.org via MCP and API: Open Library is an open, editable library catalog, building towards a web page for every book ever published. Read, borrow, and discover more than 3M books for free.

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