The answer

@modelcontextprotocol/sdk

Top verified match: it matches your intent, it is the official vendor server, and it holds a strong verification score.

fresh · published 6d ago · verified 2026-07-11tested · static-verifiedsigned passport ✓score 64/1003,075 monthly downloads

claude mcp add sdk -- npx -y @modelcontextprotocol/fastify

Runners-up

@modelcontextprotocol/server-filesystem86/100 · higher verification score, weaker intent match
@modelcontextprotocol/server-pdf80/100 · higher verification score, weaker intent match
IDLE Protocol47/100 · weaker match