Browse MCP servers
MCP Harbor, an MCP Server Registry, Directory, and Tower to Buzz.
1,590 matching
Showing 1,249–1,296 of 1,590 servers
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Plos
streamable-httpio.github.pipeworx-io/plos
PLOS journals — Solr-backed full-text search across all PLOS OA content
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Opencitations
streamable-httpio.github.pipeworx-io/opencitations
OpenCitations COCI — open-license citation index by DOI
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Monarch Initiative
streamable-httpio.github.pipeworx-io/monarch-initiative
Monarch biomedical knowledge graph — diseases, phenotypes, genes, variants
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Ncbi Eutils
streamable-httpio.github.pipeworx-io/ncbi-eutils
NCBI E-utilities — federated Entrez search/fetch (PubMed/Gene/Nucleotide/…)
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Ensembl
streamable-httpio.github.pipeworx-io/ensembl
Ensembl REST — vertebrate genomes, sequences, comparative genomics, variation
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String Db
streamable-httpio.github.pipeworx-io/string-db
STRING protein-protein interaction networks across ~12k organisms
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Gnomad
streamable-httpio.github.pipeworx-io/gnomad
Broad Institute gnomAD genomic variant database (GraphQL)
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Catalogueoflife
streamable-httpio.github.pipeworx-io/catalogueoflife
Catalogue of Life — global taxonomic index of known species (~2.2M accepted names)
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Kitsu
streamable-httpio.github.pipeworx-io/kitsu
Kitsu anime + manga catalogue (JSON:API)
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Blockchair
streamable-httpio.github.pipeworx-io/blockchair
Blockchair multi-chain block explorer (BTC, ETH, LTC, DOGE, XMR, +12 more)
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Squiggle
streamable-httpio.github.pipeworx-io/squiggle
AFL (Australian Football League) fixture, ladder, and crowd-sourced tips
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Tatoeba
streamable-httpio.github.pipeworx-io/tatoeba
Tatoeba multilingual sentence corpus (~13M sentences, 400+ languages)
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Repology
streamable-httpio.github.pipeworx-io/repology
Repology cross-distro package version aggregator
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Ietf Datatracker
streamable-httpio.github.pipeworx-io/ietf-datatracker
IETF Datatracker RFCs / drafts / working groups / people
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Datagouv Fr
streamable-httpio.github.pipeworx-io/datagouv-fr
France data.gouv.fr open-data catalogue
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Datagov Au
streamable-httpio.github.pipeworx-io/datagov-au
Australia data.gov.au open-data catalogue (CKAN)
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Ebi Ols
streamable-httpio.github.pipeworx-io/ebi-ols
EBI Ontology Lookup Service — 250+ biomedical ontologies
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Hal Fr
streamable-httpio.github.pipeworx-io/hal-fr
HAL — French national open research archive
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Inspire Hep
streamable-httpio.github.pipeworx-io/inspire-hep
INSPIRE-HEP high-energy physics literature database
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Ror
streamable-httpio.github.pipeworx-io/ror
Research Organization Registry (ROR) — canonical org IDs
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Orcid
streamable-httpio.github.pipeworx-io/orcid
ORCID public researcher records (works, employment, education)
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Reactome
streamable-httpio.github.pipeworx-io/reactome
Reactome biological pathway database
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Flickr Public
streamable-httpio.github.pipeworx-io/flickr-public
Flickr keyless public photo feeds (recent, by tag, by user, by group)
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Codestats
streamable-httpio.github.pipeworx-io/codestats
Code::Stats public coding-XP profiles (codestats.net)
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Met No
streamable-httpio.github.pipeworx-io/met-no
MET Norway weather (api.met.no behind yr.no) — global forecast, sunrise, ocean
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Frinkiac
streamable-httpio.github.pipeworx-io/frinkiac
Quote-based screencap search for Simpsons, Futurama, Rick and Morty
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Codeforces
streamable-httpio.github.pipeworx-io/codeforces
Codeforces competitive programming users, contests, problems
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Lichess
streamable-httpio.github.pipeworx-io/lichess
Lichess public API: players, ratings, eval, tablebase, opening explorer
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Feodotracker
streamable-httpio.github.pipeworx-io/feodotracker
abuse.ch Feodo Tracker botnet C&C IP blocklist
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Openverse
streamable-httpio.github.pipeworx-io/openverse
Openverse Creative-Commons image + audio search
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Clevelandart
streamable-httpio.github.pipeworx-io/clevelandart
Cleveland Museum of Art Open Access API (~63k artworks, many CC0)
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Opencollective
streamable-httpio.github.pipeworx-io/opencollective
Open Collective public collective/transaction data
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Blockstream Info
streamable-httpio.github.pipeworx-io/blockstream-info
Blockstream Esplora Bitcoin block explorer (mainnet + testnet)
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Lyrics Ovh
streamable-httpio.github.pipeworx-io/lyrics-ovh
Song lyrics lookup via lyrics.ovh
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Deezer
streamable-httpio.github.pipeworx-io/deezer
Deezer public music catalog (search/tracks/albums/artists/charts)
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Biorxiv
streamable-httpio.github.pipeworx-io/biorxiv
bioRxiv + medRxiv preprint server API
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Europepmc
streamable-httpio.github.pipeworx-io/europepmc
Europe PubMed Central — biomedical literature search and full text
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Eol
streamable-httpio.github.pipeworx-io/eol
Encyclopedia of Life (EOL) — biodiversity taxa, names, hierarchies
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Spdx License
streamable-httpio.github.pipeworx-io/spdx-license
SPDX open-source license list with full text
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Gitignore
streamable-httpio.github.pipeworx-io/gitignore
Canonical .gitignore templates from github/gitignore
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Schemastore
streamable-httpio.github.pipeworx-io/schemastore
JSON Schema catalog (SchemaStore.org)
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Launch Library
streamable-httpio.github.pipeworx-io/launch-library
Launch Library 2 MCP — global rocket launch data
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Nasa Eonet
streamable-httpio.github.pipeworx-io/nasa-eonet
NASA EONET MCP — Earth Observatory Natural Event Tracker
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Open Notify
streamable-httpio.github.pipeworx-io/open-notify
Open Notify MCP — ISS position + people in space
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Openparliament Ca
streamable-httpio.github.pipeworx-io/openparliament-ca
OpenParliament.ca MCP — civic-tech mirror of the Parliament of Canada
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Nosdeputes Fr
streamable-httpio.github.pipeworx-io/nosdeputes-fr
NosDéputés.fr MCP — civic-tech mirror of the French Assemblée nationale
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Bundestag De
streamable-httpio.github.pipeworx-io/bundestag-de
Bundestag DIP MCP
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Uk Parliament
streamable-httpio.github.pipeworx-io/uk-parliament
UK Parliament MCP — Members, Bills, Hansard APIs
official
Search this catalogue from your agent
The registry is itself an MCP server. Add it once and your agent runs these same searches, with no account and no key.
claude mcp add --transport http mcp-registry-search https://ai.mcpharbor.dev/mcp