Osf Data Marketplace is a Model Context Protocol (MCP) server: 8.1M+ US gov and science data via x402 USDC. 21 tools, $0.001 sample tier, sanctions, SEC, CVEs. As an MCP server it plugs straight into AI assistants, exposing its functionality as tools the model can invoke on your behalf.
You can run Osf Data Marketplace two ways: connect to the hosted endpoint at https://api.osf-master-server.com/mcp with no local install, or run it on your own machine via the npm package osf-data-marketplace. The current release is v2.0.8.
You'll find Osf Data Marketplace in the Security category here on mcp.site; it connects to Claude Desktop, Claude Code, Cursor, VS Code, Windsurf, Zed, and any other MCP client — see the install snippets below. If you maintain Osf Data Marketplace for onefreeman1337, claim this listing to verify ownership, earn the Verified badge, and keep the details current.