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Treasury Fiscal MCP — US Treasury Fiscal Data API

Grand Paris Sud Open Data (data.grandparissud.fr) — OpenDataSoft MCP.

deps.dev MCP — Google's package metadata + dependency graph API.

Data.gov MCP — wraps Data.gov CKAN API (catalog.data.gov/api/3)

ECOS — Bank of Korea Economic Statistics System.

balldontlie.io MCP.

Books MCP — wraps Open Library API (free, no auth)

data.gov.ie MCP — Ireland's national open-data portal (CKAN API).

NCI CACTUS Chemical Identifier Resolver MCP.

RocketReach MCP — wraps the RocketReach person-lookup API (rocketreach.co)

Software Heritage MCP. The archive of public source code: which repositories have been archived…

UNHCR Refugee Data Finder MCP (keyless).

TheSportsDB MCP — sports catalog (teams, players, events)

FDSN seismic web services MCP — seismometer metadata, data holdings and regional earthquake…

Education Feeds MCP.

Paris Open Data (opendata.paris.fr) — OpenDataSoft MCP.

brazil-cvm-financials -- annual financial statements (DFP) of Brazilian listed companies, from CVM…

EMDB (EBI Electron Microscopy Data Bank) MCP — keyless.

RAWG MCP — wraps the RAWG video games database API (rawg.io)

Segment MCP Pack — wraps the Segment Public API (https://api.segmentapis.com).