Drug molecules and bioactivity from the ChEMBL database. No key required.
200 servers across communication & collaboration, finance & commerce, gaming & entertainment, api development, files & storage, e-commerce, web, search & scraping, lifestyle & local, browser automation, research, developer tools & repos, email, design & media, productivity & workflow, cloud & devops, data science & ml, analytics & monitoring, databases, learning & documentation, search, marketing, seo & social, ai & agents, security & testing and content management. The largest is Twilio.
Communication & Collaboration · Finance & Commerce · Gaming & Entertainment · API Development · Files & Storage · E-commerce · Web, Search & Scraping · Lifestyle & Local · Browser Automation · Research · Developer Tools & Repos · Email · Design & Media · Productivity & Workflow · Cloud & DevOps · Data Science & ML · Analytics & Monitoring · Databases · Learning & Documentation · Search · Marketing, SEO & Social · AI & Agents · Security & Testing · Content Management
751 MCP servers, most downloaded first. 751 of 751 are free to start.
Country codes, names, and regions from the DataHub country catalog. No key required.
Glossier beauty catalog search, products and prices.
Jobs from Greenhouse boards. No key required.
Doppler API: projects, configs, secrets.
Keyless MCP server for Chess.com: player profiles, ratings by time control, daily puzzle,...
Genome lookup from Ensembl. No key required.
Search species and recent observations from iNaturalist. No key required.
Keyless MCP server for AlphaFold: protein structure predictions by UniProt accession, confidence...
MCP server for ecobee thermostats: list, runtime, sensors. Needs API key + tokens.
Confirmed exoplanets and their properties from the NASA Exoplanet Archive. No key required.
MCP server for GovInfo: bills, laws, Federal Register, congressional records.
The rest either hold an API key issued by the publisher or ask for nothing.
Listed without a verification tick. Read the listing before installing.