arxiv-search
Search arXiv for preprints and scholarly articles across physics, mathematics, computer science, quantitative biology, quantitative finance, statistics, electrical engineering, systems science, and economics. Supports field-specific queries (title, author, abstract, category), boolean logic, date filtering, and bulk retrieval with pagination.
cbdb-api
Query the China Biographical Database (CBDB) API to retrieve comprehensive biographical data about historical Chinese figures. Use this skill when searching for information about Chinese historical figures, scholars, officials, or literary figures from the 7th century BCE through the 19th century CE. Applicable for queries about biographical details, social relationships, official positions, or when users mention specific Chinese names or CBDB person IDs.
cbdb-local
Query the China Biographical Database (CBDB) locally via SQLite for biographical data on 656K+ historical Chinese figures from the 7th century BCE through the 19th century CE. Use when searching for Chinese historical figures, scholars, officials, or literary figures — their biographical details, family/kinship networks, official postings, social associations, examination records, or addresses. Runs entirely locally after initial database download (~556 MB). Faster and more flexible than the API version.
chgis-tgaz
Query the China Historical GIS (CHGIS) Temporal Gazetteer (TGAZ) API to search for historical Chinese placenames from 222 BCE to 1911 CE. Use this skill when searching for information about historical Chinese places, administrative units, or geographic locations during the dynastic period. Applicable for queries about historical place names, administrative hierarchies, or when users mention specific Chinese locations with historical context.
cjk-calendar
Convert between Chinese, Japanese, Korean, and Vietnamese lunisolar calendar dates and Gregorian/Julian dates. Use when the user needs to look up historical East Asian dates, convert era names (年號) like 康熙, 天保, 崇禎 to Western dates, compute sexagenary cycle (干支) day/month/year, or work with Julian Day Numbers. Supports ~220 BCE to 1945 CE with 1,637 eras and 131,808 lunar month records. Runs entirely locally with a SQLite database.
columbia-clio
Search Columbia University Libraries' CLIO catalog for books, journals, manuscripts, and other holdings via its Blacklight JSON API. Use this skill whenever the user wants to look up items in Columbia's library, check availability of books at Columbia, search by title/author/subject with faceted filtering by format/language/location, or retrieve detailed catalog records including call numbers and holdings data. Triggers when referencing Columbia University collections or Ivy League library holdings.
europeana-collections
Search Europeana's 50M+ cultural heritage items from 4,000+ European museums, galleries, libraries, and archives. Use this skill whenever the user wants to find European art, manuscripts, photographs, maps, 3D objects, audio, or video from institutions like the Rijksmuseum, British Library, Louvre, or Gallica. Also triggers when searching for open-access European cultural heritage, IIIF resources, or cross-referencing European collections with other library catalogs.
harvard-library-catalog
Search Harvard Library's 13M+ bibliographic records via LibraryCloud and retrieve MARC/MODS data via PRESTO. Use this skill whenever the user wants to look up books, manuscripts, finding aids, or other items in Harvard's library catalog, verify bibliographic information (title, author, ISBN, publication date), find digital collections, or retrieve detailed catalog records. Also triggers when a user extracts a book title from a document and wants to find its full bibliographic metadata.
hathitrust-catalog
Look up bibliographic records and digitized volumes in HathiTrust's 17M+ volume collection by ISBN, OCLC, LCCN, ISSN, or HathiTrust ID. Use this skill whenever the user wants to check if a book has been digitized, find which libraries hold a copy, get MARC metadata for a known identifier, or link a bibliographic reference to its HathiTrust digital version. Also triggers when cross-referencing identifiers from other library catalogs (Harvard, Library of Congress) against HathiTrust holdings.
historical-map
Generate interactive historical maps as standalone HTML files using Leaflet.js. Supports markers with popups, GeoJSON boundary overlays, historical tile layers (Academia Sinica, MapWarper), image overlays, WMS layers, and layer controls. Use when the user asks to create, build, or visualize a map of historical places, routes, boundaries, or events.
historical-timeline
Generate interactive historical timelines as standalone HTML files using TimelineJS3. Supports BCE/CE dates, eras, media, groups, and rich text. Use when the user asks to create, build, or visualize a timeline of historical events, periods, dynasties, or biographical milestones.
jbdb-api
Query the Japan Biographical Database (JBDB) API to retrieve biographical data about historical Japanese figures. Use this skill when searching for information about Japanese historical figures, samurai, monks, artists, poets, or other individuals. Applicable for queries about biographical details, kinship relations, non-kinship associations, events, personal history, occupations, or when users mention specific Japanese names or JBDB person IDs.
loc-catalog
Search the Library of Congress digital collections via the loc.gov JSON API. Use this skill whenever the user wants to search LOC's digitized books, photos, maps, manuscripts, newspapers, audio, or film/video, look up items by LCCN, browse LOC collections, find primary sources with date range filters, or retrieve citations and download links for LOC materials. Also triggers when cross-referencing items found in other library catalogs against LOC holdings.
nlb-singapore
Search the National Library Board (NLB) Singapore catalog for books, audiovisual materials, and digital resources via the official Catalogue API. Use this skill whenever the user wants to search Singapore's national library holdings, check book availability across NLB branches, look up titles by ISBN/BRN, find new arrivals, browse checkout trends, or retrieve detailed bibliographic records from NLB. Triggers when referencing Singapore library collections, Southeast Asian library holdings, or NLB resources.
tgaz-query
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wikidata-search
Search for items and properties on Wikidata and retrieve entity details, claims, and external identifiers. Supports both keyword search (Wikidata Action API) and semantic/hybrid search (Wikidata Vector Database), plus direct entity retrieval (Special:EntityData) and structured querying (WDQS SPARQL).
zotero-local
Interact with a local Zotero 8 desktop application through its HTTP API at localhost:23119. Use this skill whenever the user wants to search, fetch, add, edit, or organize bibliographic items in their Zotero library, import citations (BibTeX, RIS, etc.), attach files, manage collections and tags, or retrieve full-text content from Zotero. Triggers on mentions of Zotero, citation management, reference libraries, bibliographic databases, or local library management. Also use when chaining with other catalog skills (Harvard, LOC, HathiTrust, etc.) to save found records into the user's Zotero library.