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1
argue-against-meStructured academic debate — Claude adopts an opposing position from named historiographical schools and challenges your thesis through formal rounds with adjustable intensity, producing a scorecard, revised thesis, and bibliography gap analysis
1.0.0
2
arxiv-searchSearch arXiv for preprints and scholarly articles across physics, mathematics, computer science, and more — field-specific queries, boolean logic, date filtering, and bulk retrieval with pagination
1.0.0
3
cbdb-apiQuery the China Biographical Database API for comprehensive biographical data about historical Chinese figures from the 7th century BCE through the 19th century CE
1.0.0
4
cbdb-localQuery the China Biographical Database locally via SQLite for 656K+ historical Chinese figures — biographical data, kinship networks, official postings, social associations, and examination records (7th c. BCE to 19th c. CE)
1.0.0
5
chgis-tgazQuery the CHGIS Temporal Gazetteer API for historical Chinese placenames and administrative units from 222 BCE to 1911 CE
1.0.0
6
cjk-calendarConvert between Chinese, Japanese, Korean, and Vietnamese lunisolar calendar dates and Gregorian/Julian dates using a local SQLite database (~220 BCE to 1945 CE)
1.0.0
7
columbia-clioSearch Columbia University Libraries' CLIO catalog for books, journals, manuscripts, and other holdings via its Blacklight JSON API — faceted filtering by format/language/location, detailed catalog records with call numbers and holdings data
1.0.0
8
europeana-collectionsSearch Europeana's 50M+ cultural heritage items from 4,000+ European museums, galleries, libraries, and archives — art, manuscripts, photographs, maps, 3D objects, audio, and video
1.0.0
9
harvard-library-catalogSearch Harvard Library's 13M+ bibliographic records via LibraryCloud and retrieve MARC/MODS data via PRESTO — books, manuscripts, finding aids, and digital collections
1.0.0
10
hathitrust-catalogLook up bibliographic records and digitized volumes in HathiTrust's 17M+ volume collection by ISBN, OCLC, LCCN, ISSN, or HathiTrust ID
1.0.0
11
historical-mapGenerate interactive historical maps as standalone HTML files using Leaflet.js — markers, GeoJSON boundary overlays, historical tile layers, image overlays, WMS, and layer controls
1.0.0
12
historical-timelineGenerate interactive historical timelines as standalone HTML files using TimelineJS3 — supports BCE/CE dates, eras, groups, media embedding, and rich text with zoom and navigation
1.0.0
13
jbdb-apiQuery the Japan Biographical Database API for biographical data about historical Japanese figures — persons, kinship, events, occupations, and geographic data via LoopBack REST
1.0.0
14
loc-catalogSearch the Library of Congress digital collections via the loc.gov JSON API — digitized books, photos, maps, manuscripts, newspapers, audio, and film/video with date range filters
1.0.0
15
nlb-singaporeSearch the National Library Board Singapore catalog for books, audiovisual materials, and digital resources — availability across NLB branches, new arrivals, checkout trends, and detailed bibliographic records
1.0.0
16
tgaz-sqliteQuery the TGAZ (Temporal Gazetteer) SQLite database locally for 82,000+ historical Chinese placenames spanning 763 BCE to 1911 CE — name search, spatial bounding box, temporal filtering, full-text search, administrative hierarchies, and raw SQL
1.0.0
17
wikidata-searchSearch Wikidata for items, properties, and external identifiers using keyword search, semantic/hybrid search, SPARQL, and direct entity retrieval
1.0.0
18
zotero-localInteract with a local Zotero 8 desktop application through its HTTP API — search, fetch, add, edit, and organize bibliographic items, import citations, attach files, manage collections and tags