Claude Code

opennih for Claude Code

org.opennih/opennih

42 fiscal years of entity-resolved NIH grant data via 14 read-only, provenance-carrying MCP tools.

client:Claude Code transport:streamable-http tools:14

Install opennih in Claude Code

run in your project directory

claude mcp add --transport http opennih https://mcp.opennih.org/mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

What Claude Code can do once it is connected

opennih in other clients

opennih MCP server