--- description: "Discover approved research data providers." use_when: "The task requires structured research data." providers: 18 --- # Firecrawl Alexandria: Research Approved research data providers for AI agents, ordered by popularity. Search the whole catalog by describing what you need: `POST https://api.firecrawl.dev/v2/search` with `{ query: "", sources: ["alexandria"] }`. The call shape is on the [router](https://alexandria.firecrawl.dev/agents). ## Providers ### Research Index Find scientific papers, inspect metadata, read relevant passages and follow citation relationships. - Provider key: `firecrawl-research-index` - Cost (Search papers): 0 credits per call - Cost (Inspect paper): 0 credits per call - Cost (Read paper passages): 0 credits per call - Cost (Find related papers): 0 credits per call - Next file: [Provider guide](https://alexandria.firecrawl.dev/agents/providers/firecrawl-research-index) ### NIH Guide for Grants and Contracts NIH Guide for Grants and Contracts: active and expired notices of funding opportunity (RFA, PA, PAR, PAS), notices of special interest and Guide notices from the Guide search index (the keyless AWS API Gateway JSON behind grants.nih.gov/funding/nih-guide-for-grants-and-contracts), with the grants.nih.gov document HTML parsed for assistance listing numbers, eligibility, number of applications, letter-of-intent and application due dates. A collector: source_status, records_list (cursor pinned to one publication), records_get, records_changes (publisher-dated notices) and search. - Provider key: `grants-nih-gov` - Cost (Records changes): 5 credits per call - Cost (Records get): 5 credits per call - Cost (Records list): 5 credits per call - Cost (Search): 5 credits per call - Cost (Source status): 5 credits per call - Next file: [Provider guide](https://alexandria.firecrawl.dev/agents/providers/grants-nih-gov) ### Australian Food Composition Database (AFCD, FSANZ) Food Standards Australia New Zealand's Australian Food Composition Database (AFCD Release 3.0, December 2025), the reference nutrient database for Australia: about 1,600 foods with up to 268 nutrients each (proximates, minerals, vitamins, fatty acids, amino acids, organic acids) per 100 g, with derivation and sampling notes, AUSNUT classification and food groups. Food search by name, letter or group, the complete nutrient profile of one food by Public Food Key, the food group hierarchy, the foods of a sub group, the nutrient catalogue and every food ranked by one nutrient. Anonymous JSON API behind the public AFCD search pages on www.foodstandards.gov.au (afcd.foodstandards.gov.au redirects there). Licence: CC BY 4.0, attribution 'Food Standards Australia New Zealand'; some borrowed values cite third-party sources (USDA, NZ FCD). - Provider key: `afcd-foodstandards-gov-au` - Cost (Foods by nutrient): 5 credits per call - Cost (Get food): 5 credits per call - Cost (List food groups): 5 credits per call - Cost (List foods in group): 5 credits per call - Cost (List nutrients): 5 credits per call - Cost (Search foods): 5 credits per call - Next file: [Provider guide](https://alexandria.firecrawl.dev/agents/providers/afcd-foodstandards-gov-au) ### Environment and Climate Change Canada weather and climate (api.weather.gc.ca) Environment and Climate Change Canada (ECCC) weather and climate data from the Meteorological Service of Canada's open GeoMet OGC API (api.weather.gc.ca), the data behind weather.gc.ca and climate.weather.gc.ca: current conditions, public forecasts, hourly forecasts and warnings for ~840 city forecast locations, active weather alerts, the Air Quality Health Index, marine forecasts, and historical climate (station search, daily observations, monthly summaries, 1981-2010 normals). English or French. Keyless and anonymous. Data Source: Environment and Climate Change Canada, under the ECCC Data Servers End-use Licence (https://eccc-msc.github.io/open-data/licence/readme_en/). - Provider key: `api-weather-gc-ca` - Cost (Air quality): 5 credits per call - Cost (City weather): 5 credits per call - Cost (Climate daily): 5 credits per call - Cost (Climate monthly): 5 credits per call - Cost (Climate normals): 5 credits per call - Cost (Climate stations): 5 credits per call - Cost (Find cities): 5 credits per call - Cost (Marine forecast): 5 credits per call - Cost (Weather alerts): 5 credits per call - Next file: [Provider guide](https://alexandria.firecrawl.dev/agents/providers/api-weather-gc-ca) ### Canadian Nutrient File, Health Canada (food-nutrition.canada.ca) Health Canada's Canadian Nutrient File (CNF), the reference food-composition table for Canada: 5,690 foods with up to 152 nutrients per 100 g, Canadian fortification values, serving measures with gram weights, refuse and yield factors, in English or French. Food search by name, the full nutrient record of one food (optionally converted to a chosen measure such as 250ml), the nutrient, nutrient-group and data-source reference lists, the 23 CNF food groups and the search for foods ranked by one nutrient within a food group. Anonymous JSON API of the public CNF web app plus two GET-and-POST pages of the same app for the food-group aware nutrient search. Data: Canadian Nutrient File, Health Canada, Open Government Licence - Canada; the online CNF is the 2015 publication (Health Canada is preparing a CNF 2026 dataset). - Provider key: `food-nutrition-canada-ca` - Cost (Get food): 5 credits per call - Cost (List food groups): 5 credits per call - Cost (List nutrients): 5 credits per call - Cost (Search foods): 5 credits per call - Cost (Search foods by nutrient): 5 credits per call - Next file: [Provider guide](https://alexandria.firecrawl.dev/agents/providers/food-nutrition-canada-ca) ### bible-api.com: Open English Bible, Cherokee and Romanian Bible verses, random verses Bible text from bible-api.com (Tim Morgan's free Bible API) that the bible-helloao-org program does not carry: the Open English Bible (OEB, public domain under CC0, US and Commonwealth spelling), the 1860 Cherokee New Testament in Cherokee syllabary, and the Romanian Corrected Cornilescu Bible, by English reference ("John 3:16-18", "Psalm 23"). Random Bible verses, optionally by testament or book, in 16 public-domain translations including the World English Bible, King James Version, ASV, Bible in Basic English, Douay-Rheims, Darby, Chinese Union, Clementine Vulgate and Russian Synodal. Every answer carries the translation's licence (public domain, commercial use, basis). The Almeida Portuguese text is withheld pending its copyright status; copyrighted translations (NIV, ESV, NLT) are not in the API. - Provider key: `bible-api-com` - Cost (Get passage): 5 credits per call - Cost (List translations): 5 credits per call - Cost (Random verse): 5 credits per call - Next file: [Provider guide](https://alexandria.firecrawl.dev/agents/providers/bible-api-com) ### Free Use Bible API: Bible verses, translations and commentaries (bible.helloao.org) The Bible and classic Bible commentaries from the Free Use Bible API (bible.helloao.org, AO Lab). Scripture passages by reference ("Jn 3:16-18", "Psalm 23", "Romans 8:28") in over 500 commercially usable translations in hundreds of languages, including the King James Version (KJV), Berean Standard Bible (BSB), World English Bible (WEB), American Standard Version (ASV), Young's Literal Translation, Darby, Douay-Rheims and the JPS 1917 Tanakh, with verse-level text, footnotes and each translation's licence. Verse-by-verse commentary from established public-domain commentaries (Matthew Henry, Jamieson-Fausset-Brown, John Gill, Adam Clarke, Keil-Delitzsch, John Calvin) and the CC BY-SA Tyndale Open Study Notes, each with authors, tradition and publication years for citation. OpenBible.info cross references ranked by votes. Translations licensed only for non-commercial use (such as the NET Bible) are not served, and copyrighted translations that need a publisher licence (NIV, ESV, NASB, NLT) are not in the API. - Provider key: `bible-helloao-org` - Cost (Get commentary): 5 credits per call - Cost (Get cross references): 5 credits per call - Cost (Get passage): 5 credits per call - Cost (List commentaries): 5 credits per call - Cost (List translations): 5 credits per call - Next file: [Provider guide](https://alexandria.firecrawl.dev/agents/providers/bible-helloao-org) ### Bible Hub: verse commentaries, parallel translations and Strong's lexicon (biblehub.com) Public-domain Bible study material from Bible Hub (biblehub.com). Every classic commentary's remarks on a verse in one call (Barnes' Notes, the Pulpit Commentary, Ellicott, Benson, Matthew Poole, the Cambridge Bible, MacLaren, Meyer, Bengel, Vincent's Word Studies, the Expositor's Greek Testament, Spurgeon's Treasury of David, Matthew Henry, Jamieson-Fausset-Brown, Gill and more), one commentary verse by verse for a chapter (about 40 works including Wesley, Lange, Gray and the Expositor's Bible), a verse in about 28 public-domain translations side by side (KJV, BSB, ASV, WEB, Darby, Young's Literal, Douay-Rheims, Geneva, Tyndale, JPS 1917, Brenton Septuagint), and Strong's Greek and Hebrew lexicon entries with Strong's, Thayer's and Brown-Driver-Briggs. Tolerant references ("Jn 3:16", "Ps 23", "1 Cor 13"). Every item carries its author, years and licence; copyrighted translations and commentaries on the site (NIV, ESV, NLT, NASB, CSB, Guzik, HELPS) are left out and listed as omitted. - Provider key: `biblehub-com` - Cost (Get commentary): 5 credits per call - Cost (Get parallel verse): 5 credits per call - Cost (Get strongs entry): 5 credits per call - Cost (Get verse commentaries): 5 credits per call - Cost (List commentaries): 5 credits per call - Next file: [Provider guide](https://alexandria.firecrawl.dev/agents/providers/biblehub-com) ### CCEL: classic Bible commentaries, sermons and Christian classics (ccel.org) Public-domain Bible commentaries, sermons and Christian classics from the Christian Classics Ethereal Library (ccel.org, Calvin University). Commentary on any verse from the CCEL Study Bible (John Calvin, Matthew Henry, Matthew Henry Concise, Jamieson-Fausset-Brown); every commentary CCEL indexes for a chapter (Barnes' Notes, Wesley's Notes, MacLaren's Expositions, the Expositor's Bible, B. W. Johnson, McGarvey, Lightfoot, Church Fathers homilies); classic sermons and meditations on a passage (Spurgeon, Wesley, Flavel, Chrysostom); the text of any public-domain work section by URL or id (such as Matthew Henry mhc5.iv.iv); the commentary catalogue; tables of contents of works (Calvin's Institutes, Schaff's Church Fathers, Aquinas' Summa); and author pages with life dates. Every item carries its source URL, identifiers and a licence field; works that may still be under copyright are left out. - Provider key: `ccel-org` - Cost (Get author): 5 credits per call - Cost (Get commentary): 5 credits per call - Cost (Get section): 5 credits per call - Cost (Get work contents): 5 credits per call - Cost (List commentaries): 5 credits per call - Cost (Passage commentaries): 5 credits per call - Cost (Passage sermons): 5 credits per call - Next file: [Provider guide](https://alexandria.firecrawl.dev/agents/providers/ccel-org) ### Cornell Chronicle Cornell Chronicle (news.cornell.edu), Cornell University's official news site: list the latest stories overall or by topic, college or campus from the site's JSON feeds, and read any story as clean Markdown with byline, date, topics and links. Story text only; photos and graphics are not returned. - Provider key: `cornell-edu` - Cost (Get story): 5 credits per call - Cost (List stories): 5 credits per call - Next file: [Provider guide](https://alexandria.firecrawl.dev/agents/providers/cornell-edu) ### Harvard Gazette The Harvard Gazette (news.harvard.edu), Harvard University's official news site: read any story as clean Markdown with byline, section, tags and links, and search stories or list the latest. DASH, NASA ADS and Harvard Health Publishing are not covered (CDN block and terms; see README). - Provider key: `harvard-edu` - Cost (Get gazette story): 5 credits per call - Cost (Search gazette): 5 credits per call - Next file: [Provider guide](https://alexandria.firecrawl.dev/agents/providers/harvard-edu) ### MorphoSource MorphoSource, Duke University's research repository of 3D specimen data (CT scans, meshes, photogrammetry) for biology, paleontology and anthropology: search media and physical objects (specimens) by text, taxon, media type, modality, institution, licence and download access; read a media record with its specimen, taxonomy, scanner and scan parameters, mesh polygon count, file name/format/size, thumbnail, citation and funding, and per-record licence terms (Creative Commons URL, rights statement, commercial-use and 3D-printing terms). Download access is reported as status only: MorphoSource files need a signed-in account, so no download URL is returned. Uses the keyless public REST API. - Provider key: `morphosource-org` - Cost (Get media): 5 credits per call - Cost (Search media): 5 credits per call - Cost (Get object): 5 credits per call - Cost (Search objects): 5 credits per call - Next file: [Provider guide](https://alexandria.firecrawl.dev/agents/providers/morphosource-org) ### Sefaria: Hebrew Bible, Jewish commentaries and links (sefaria.org) Sefaria (www.sefaria.org), the open library of Jewish texts, through its public keyless API: the Hebrew Bible (Tanakh: Torah, Prophets, Writings) with English translations, Mishnah, Talmud, Midrash, halakhah and the classical commentaries (Rashi, Ramban, Ibn Ezra, Sforno, Rashbam, Tosafot, ...). Read any passage by Sefaria ref (Genesis 1:1-3, Exodus 20, Berakhot 2a) as Hebrew or Aramaic and English side by side, segment by segment; read a commentator on a verse with citable metadata (authors, era such as Rishonim or Acharonim, composition date and place); and list the cross-reference graph for a verse: commentaries, Talmud and Midrash passages that cite it. Every text version carries its own licence: only Public Domain, CC0, CC-BY and CC-BY-SA versions are returned (CC-BY-NC and unlicensed ones never are), and each response names the version, licence and source for attribution. Links are CC-BY. - Provider key: `sefaria-org` - Cost (Get commentary): 5 credits per call - Cost (Get links): 5 credits per call - Cost (Get text): 5 credits per call - Next file: [Provider guide](https://alexandria.firecrawl.dev/agents/providers/sefaria-org) ### STEP Bible: Hebrew and Greek tagged Bible, Strong's lexicons and morphology (STEPBible-Data) Original-language Bible data from STEP Bible (STEPBible.org, Tyndale House Cambridge), read from its open STEPBible-Data files (CC BY 4.0). Word-by-word Hebrew Old Testament (Leningrad codex, TAHOT) and Greek New Testament (every word of NA27/28, SBLGNT, Tyndale House GNT, Westcott-Hort, Tregelles, Textus Receptus and Byzantine, TAGNT) with transliteration, English gloss, Strong's numbers, morphology, lemma and textual variants: an interlinear for any verse such as John 3:16 or Genesis 1:1. Strong's lexicon entries for Hebrew (abridged BDB) and Greek (Abbott-Smith), search by English or original word, morphology code explanations (V-AAI-3S, HVqp3ms) and every occurrence of a Strong's number in a book. Every answer carries the dataset, licence and attribution. English Bible translations are not included; copyrighted texts such as the ESV are not served. - Provider key: `stepbible-org` - Cost (Expand morphology): 5 credits per call - Cost (Find word occurrences): 5 credits per call - Cost (Get tagged verse): 5 credits per call - Cost (Lookup lexicon): 5 credits per call - Cost (Search lexicon): 5 credits per call - Next file: [Provider guide](https://alexandria.firecrawl.dev/agents/providers/stepbible-org) ### StudyLight.org Bible commentaries: Barnes, Pulpit, Ellicott, Benson, Poole, Wesley and more (studylight.org) Classic public-domain Bible commentaries from StudyLight.org's English library of 155 series. Read a commentary's remarks on a chapter or verse range ("Barnes on John 3:16", "the Pulpit Commentary on Romans 8"), with tolerant references ("Jn 3:16", "1 Cor 13", "Ps 23"); see what every public-domain commentary says about one verse in one call; list the series with codes, authors, life dates, publication years, tradition, coverage and licence; and resolve a book and chapter into a series' commentary pages. Covers Barnes' Notes, the Pulpit Commentary, Ellicott, Benson, Matthew Poole, Wesley, the Cambridge Bible, the Expositor's Bible and Greek Testament, Lange, Coke, Gray, Spurgeon, Trapp, Whedon, Vincent, Alford, Bengel, the Biblical Illustrator and about 90 more pre-1929 works. Only works first published by 1928 whose copyright statement claims no rights are returned as text; modern copyrighted commentaries (Barclay, Coffman, Constable, McGee and others) are listed as metadata only. - Provider key: `studylight-org` - Cost (Get commentary): 5 credits per call - Cost (Get verse commentaries): 5 credits per call - Cost (List commentaries): 5 credits per call - Cost (Resolve reference): 5 credits per call - Next file: [Provider guide](https://alexandria.firecrawl.dev/agents/providers/studylight-org) ### NIH 3D NIH 3D (3d.nih.gov, NIAID), the NIH's open library of bioscience and medical 3D models: anatomy from medical imaging, proteins and molecules, cells, viruses, lab devices and prosthetics. Search published entries by text, category, licence, collection (Heart Library, Human Reference Atlas, 3D Pollen Library, ...), submitter and human data, sorted by relevance, id or publish date, with facet counts by category, licence and keyword; read one entry with its per-model licence, author display name, DOI, provenance (PDB, EMDB, UniProt, PubChem ids), file list with formats, sizes, polygon and vertex counts, watertight flags and public download links, thumbnail and view/download counts; list the curated collections. Keyless; file bytes are linked, never fetched. - Provider key: `threed-nih-gov` - Cost (Get entry): 5 credits per call - Cost (List collections): 5 credits per call - Cost (Search): 5 credits per call - Next file: [Provider guide](https://alexandria.firecrawl.dev/agents/providers/threed-nih-gov) ### Legislative Assembly of Alberta Legislative Assembly of Alberta (assembly.ab.ca): bills and their reading history with Hansard page references, Hansard and Votes and Proceedings sitting lists with the official PDF links, committee meeting transcripts, the Hansard speaker and subject indexes, and MLAs. Server-rendered public pages, no login. - Provider key: `assembly-ab-ca` - Cost (Get bill): 5 credits per call - Cost (Get member): 5 credits per call - Cost (Hansard index): 5 credits per call - Cost (List bills): 5 credits per call - Cost (List committee transcripts): 5 credits per call - Cost (List members): 5 credits per call - Cost (List sitting documents): 5 credits per call - Next file: [Provider guide](https://alexandria.firecrawl.dev/agents/providers/assembly-ab-ca) ### Harvard Dataverse: MIT Election Data and Science Lab returns Harvard Dataverse (dataverse.harvard.edu), where the MIT Election Data and Science Lab (MEDSL) publishes its cleaned US election returns: search datasets in the MEDSL dataverse (or any Harvard dataverse alias), read a dataset's metadata, licence, citation and file list from the native API, and filter one race's rows (year, state, office, district, county, candidate, party, stage, mode) out of a CSV/TSV return file with HTTP range reads. Every record carries the dataset DOI and citation. All 55 MEDSL datasets are CC0 1.0. Datasets behind a Dataverse guestbook (U.S. House 1976-2024, County Presidential 2000-2024, the 2018 and 2020 precinct releases and others) are metadata-only: the program never submits a guestbook response. - Provider key: `dataverse-harvard-edu` - Cost (Get dataset): 0 credits per call - Cost (Query returns): 0 credits per call - Cost (Search datasets): 0 credits per call - Next file: [Provider guide](https://alexandria.firecrawl.dev/agents/providers/dataverse-harvard-edu) Each provider guide carries its request options and response shape.