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mcp/harbor
Verified official

SimpleNPI MCP

v1.0.0

com.simplenpi/npi

Free NPI lookup and verification (CMS registry) and free NPI applications filed for you.

transport:streamable-http tools:7
Website

Target client

run in your project directory 

claude mcp add --transport http npi https://simplenpi.com/mcp

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

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

how_to_get_an_npi

how to get an npi

lookup_npi Read-only

lookup npi

verify_npi

verify npi

start_npi_application Mutating

start npi application

check_npi_status Read-only

check npi status

search Read-only

search

fetch Read-only

fetch

All 7 tools, one page each

2 resources you attach as context

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.