MCP servers for Claude Desktop

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

Census Trade MCP — US Census Bureau International Trade data

Chainlist MCP — registry of EVM chains

chaos-index MCP — wraps StupidAPIs (keyless — no credential needed)

ChEMBL MCP — drug discovery database (EBI).

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

China A-shares MCP. Keyless.

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

CISA KEV MCP.

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

Climatiq MCP — carbon footprint calculator with emission factors

Search and analyze ClinicalTrials.gov: trials by keyword/condition/drug/status/phase, one study's…

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

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

Cocktails MCP — TheCocktailDB API (free, no auth)

Coinpaprika MCP — alternative crypto data source

College Scorecard MCP — US Department of Education College Scorecard API

Color utilities MCP.

Wikimedia Commons MCP — Action API for files.

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

EBI Complex Portal MCP.