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The catalog

326,144 rows, by stacks then stars

  • Census

    pipeworx-io/mcp-census/io.github.pipeworx-io/census MCP server

    0★ repo

    Census MCP — U.S. Census Bureau housing-relevant APIs.

  • Cdc

    pipeworx-io/mcp-cdc/io.github.pipeworx-io/cdc MCP server

    0★ repo

    CDC MCP — wraps CDC open data via Socrata API (data.cdc.gov)

  • Cdec Ca

    pipeworx-io/mcp-cdec-ca/io.github.pipeworx-io/cdec-ca MCP server

    0★ repo

    California Data Exchange Center (CDEC) hydrology, reservoirs, snow water

  • Census Trade

    pipeworx-io/mcp-census-trade/io.github.pipeworx-io/census-trade MCP server

    0★ repo

    Census Trade MCP — US Census Bureau International Trade data

  • Chainlist

    pipeworx-io/mcp-chainlist/io.github.pipeworx-io/chainlist MCP server

    0★ repo

    Chainlist MCP — registry of EVM chains

  • Censtatd Hk

    pipeworx-io/mcp-censtatd-hk/io.github.pipeworx-io/censtatd-hk MCP server

    0★ repo

    Hong Kong Census and Statistics Department (C&SD) open-data MCP.

  • Cfpb

    pipeworx-io/mcp-cfpb/io.github.pipeworx-io/cfpb MCP server

    0★ repo

    CFPB MCP — Consumer Financial Protection Bureau complaint database (free, no auth)

  • Chembl

    pipeworx-io/mcp-chembl/io.github.pipeworx-io/chembl MCP server

    0★ repo

    ChEMBL MCP — drug discovery database (EBI).

  • chess

    pipeworx-io/mcp-chess/io.github.pipeworx-io/chess MCP server

    0★ repo

    Chess.com MCP — wraps the Chess.com public API (free, no auth)

  • Chaos Index

    pipeworx-io/mcp-chaos-index/io.github.pipeworx-io/chaos-index MCP server

    0★ repo

    chaos-index MCP — wraps StupidAPIs (requires X-API-Key)

  • Chargebee

    pipeworx-io/mcp-chargebee/io.github.pipeworx-io/chargebee MCP server

    0★ repo

    Chargebee MCP Pack — wraps the Chargebee API v2

  • Cheapshark

    pipeworx-io/mcp-cheapshark/io.github.pipeworx-io/cheapshark MCP server

    0★ repo

    PC game deals across Steam/Epic/GOG/Humble via CheapShark. Keyless.

  • Cisa Kev

    pipeworx-io/mcp-cisa-kev/io.github.pipeworx-io/cisa-kev MCP server

    0★ repo

    CISA Known Exploited Vulnerabilities catalog

  • China Stocks

    pipeworx-io/mcp-china-stocks/io.github.pipeworx-io/china-stocks MCP server

    0★ repo

    China A-shares MCP. Keyless.

  • Clash Royale

    pipeworx-io/mcp-clash-royale/io.github.pipeworx-io/clash-royale MCP server

    0★ repo

    Clash Royale player, clan, war, tournament, rankings, cards. Supercell dev key.

  • Clevelandart

    pipeworx-io/mcp-clevelandart/io.github.pipeworx-io/clevelandart MCP server

    0★ repo

    Cleveland Museum of Art Open Access API (~63k artworks, many CC0)

  • Clickup

    pipeworx-io/mcp-clickup/io.github.pipeworx-io/clickup MCP server

    0★ repo

    ClickUp MCP — wraps the ClickUp REST API v2 (BYO API key)

  • Chile Procurement

    pipeworx-io/mcp-chile-procurement/io.github.pipeworx-io/chile-procurement MCP server

    0★ repo

    Chile Government Procurement MCP — Mercado Público / ChileCompra (keyless-ish).

  • Citybikes

    pipeworx-io/mcp-citybikes/io.github.pipeworx-io/citybikes MCP server

    0★ repo

    Citybikes MCP — wraps CityBik.es API (free, no auth required)

  • climate

    pipeworx-io/mcp-climate/io.github.pipeworx-io/climate MCP server

    0★ repo

    Climate MCP — wraps Open-Meteo Climate API (free, no auth)

  • Climatiq

    pipeworx-io/mcp-climatiq/io.github.pipeworx-io/climatiq MCP server

    0★ repo

    Climatiq MCP — carbon footprint calculator with emission factors

  • Clinicaltables

    pipeworx-io/mcp-clinicaltables/io.github.pipeworx-io/clinicaltables MCP server

    0★ repo

    NIH Clinical Tables: ICD-10/9, RxTerms, LOINC, NPI, conditions search. Keyless.

  • Climate Feeds

    pipeworx-io/mcp-climate-feeds/io.github.pipeworx-io/climate-feeds MCP server

    0★ repo

    Climate & Energy Feeds MCP.

  • chucknorris

    pipeworx-io/mcp-chucknorris/io.github.pipeworx-io/chucknorris MCP server

    0★ repo

    Chuck Norris MCP — wraps chucknorris.io (free, no auth)

  • Civitai

    pipeworx-io/mcp-civitai/io.github.pipeworx-io/civitai MCP server

    0★ repo

    Civitai MCP.

  • cocktails

    pipeworx-io/mcp-cocktails/io.github.pipeworx-io/cocktails MCP server

    0★ repo

    Cocktails MCP — TheCocktailDB API (free, no auth)

  • Cloudflare Radar

    pipeworx-io/mcp-cloudflare-radar/io.github.pipeworx-io/cloudflare-radar MCP server

    0★ repo

    Cloudflare Radar MCP — internet observatory (traffic, attacks, BGP, quality)

  • Codeforces

    pipeworx-io/mcp-codeforces/io.github.pipeworx-io/codeforces MCP server

    0★ repo

    Codeforces competitive programming users, contests, problems

  • Codestats

    pipeworx-io/mcp-codestats/io.github.pipeworx-io/codestats MCP server

    0★ repo

    Code::Stats public coding-XP profiles (codestats.net)

  • Codewars

    pipeworx-io/mcp-codewars/io.github.pipeworx-io/codewars MCP server

    0★ repo

    Codewars user profiles, completed kata, authored kata, kata detail. Keyless.

  • Cnpj Br

    pipeworx-io/mcp-cnpj-br/io.github.pipeworx-io/cnpj-br MCP server

    0★ repo

    CNPJ Brazil MCP — Brazilian company-registry (Receita Federal) lookup via

  • Cnb Cz

    pipeworx-io/mcp-cnb-cz/io.github.pipeworx-io/cnb-cz MCP server

    0★ repo

    Czech National Bank (Česká národní banka, ČNB) public API MCP. Keyless.

  • Coingecko

    pipeworx-io/mcp-coingecko/io.github.pipeworx-io/coingecko MCP server

    0★ repo

    CoinGecko MCP — wraps CoinGecko free API (no auth required)

  • Coinmarketcap

    pipeworx-io/mcp-coinmarketcap/io.github.pipeworx-io/coinmarketcap MCP server

    0★ repo

    CoinMarketCap MCP — crypto prices, market cap, rankings

  • Color

    pipeworx-io/mcp-color/io.github.pipeworx-io/color MCP server

    0★ repo

    Color utilities MCP.

  • Coinbase Exchange

    pipeworx-io/mcp-coinbase-exchange/io.github.pipeworx-io/coinbase-exchange MCP server

    0★ repo

    Coinbase Exchange public MCP.

  • Color Pizza

    pipeworx-io/mcp-color-pizza/io.github.pipeworx-io/color-pizza MCP server

    0★ repo

    Color Pizza MCP — names hex colors using human-friendly color-name lists.

  • Coinpaprika

    pipeworx-io/mcp-coinpaprika/io.github.pipeworx-io/coinpaprika MCP server

    0★ repo

    Coinpaprika MCP — alternative crypto data source

  • colorapi

    pipeworx-io/mcp-colorapi/io.github.pipeworx-io/colorapi MCP server

    0★ repo

    Color API MCP — wraps thecolorapi.com (free, no auth)

  • Commons Wikimedia

    pipeworx-io/mcp-commons-wikimedia/io.github.pipeworx-io/commons-wikimedia MCP server

    0★ repo

    Wikimedia Commons file/image/audio/video search via MediaWiki Action API

  • Colombia Secop

    pipeworx-io/mcp-colombia-secop/io.github.pipeworx-io/colombia-secop MCP server

    0★ repo

    Colombia SECOP MCP — Colombian government procurement (public contracting).

  • College Scorecard

    pipeworx-io/mcp-college-scorecard/io.github.pipeworx-io/college-scorecard MCP server

    0★ repo

    College Scorecard MCP — US Department of Education College Scorecard API

  • Comicvine

    pipeworx-io/mcp-comicvine/io.github.pipeworx-io/comicvine MCP server

    0★ repo

    Comic Vine: characters, issues, volumes, creators, publishers. Free key.

  • Cms

    pipeworx-io/mcp-cms/io.github.pipeworx-io/cms MCP server

    0★ repo

    CMS Open Data MCP — US Centers for Medicare & Medicaid Services.

  • Close Crm

    pipeworx-io/mcp-close-crm/io.github.pipeworx-io/close-crm MCP server

    0★ repo

    Close CRM MCP Pack — wraps the Close (close.com) API v1.

  • Comtrade

    pipeworx-io/mcp-comtrade/io.github.pipeworx-io/comtrade MCP server

    0★ repo

    Comtrade MCP — UN Comtrade API for international bilateral trade data

  • Companies House

    pipeworx-io/mcp-companies-house/io.github.pipeworx-io/companies-house MCP server

    0★ repo

    Companies House MCP — UK statutory company registry (BYO key)

  • Clinicaltrials

    pipeworx-io/mcp-clinicaltrials/io.github.pipeworx-io/clinicaltrials MCP server

    0★ repo

    ClinicalTrials MCP — wraps ClinicalTrials.gov API v2 (free, no auth)

  • Congress

    pipeworx-io/mcp-congress/io.github.pipeworx-io/congress MCP server

    0★ repo

    Congress MCP — US Congress data via GovTrack API (free, no auth required)

  • Conspiracy Theory

    pipeworx-io/mcp-conspiracy-theory/io.github.pipeworx-io/conspiracy-theory MCP server

    0★ repo

    conspiracy-theory MCP — wraps StupidAPIs (requires X-API-Key)

  • Coresignal

    pipeworx-io/mcp-coresignal/io.github.pipeworx-io/coresignal MCP server

    0★ repo

    Coresignal MCP — LinkedIn-adjacent company + employee data (coresignal.com)

  • Corporate Apology

    pipeworx-io/mcp-corporate-apology/io.github.pipeworx-io/corporate-apology MCP server

    0★ repo

    corporate-apology MCP — wraps StupidAPIs (requires X-API-Key)

  • Conceptnet

    pipeworx-io/mcp-conceptnet/io.github.pipeworx-io/conceptnet MCP server

    0★ repo

    ConceptNet MCP — open multilingual word/phrase relation graph

  • Confluence

    pipeworx-io/mcp-confluence/io.github.pipeworx-io/confluence MCP server

    0★ repo

    Confluence MCP — wraps the Confluence Cloud REST API v2 (OAuth)

  • Complex Portal

    pipeworx-io/mcp-complex-portal/io.github.pipeworx-io/complex-portal MCP server

    0★ repo

    EBI Complex Portal MCP.

  • Crates

    pipeworx-io/mcp-crates/io.github.pipeworx-io/crates MCP server

    0★ repo

    Crates.io MCP — wraps the crates.io REST API v1 (free, no auth)

  • Crawlbase

    pipeworx-io/mcp-crawlbase/io.github.pipeworx-io/crawlbase MCP server

    0★ repo

    Crawlbase MCP — wraps the Crawlbase Crawling API (crawlbase.com, formerly

  • Crc

    pipeworx-io/mcp-crc/io.github.pipeworx-io/crc MCP server

    0★ repo

    Checksum MCP — CRC-32 & Adler-32.

  • Cpsc

    pipeworx-io/mcp-cpsc/io.github.pipeworx-io/cpsc MCP server

    0★ repo

    CPSC MCP — US consumer-product safety recalls (CPSC, free, no auth).

  • Creditcard

    pipeworx-io/mcp-creditcard/io.github.pipeworx-io/creditcard MCP server

    0★ repo

    Credit-card number validation MCP.