5 free MCP servers that turn claude from a chatbot into an employee

1 notion — reads and updates your docs without leaving the chat

2 slack — searches channels and pulls thread context

3 supabase — full database access queries migrations auth

4 stripe — manage payments subscriptions and coupons

5 playwright — gives claude a real browser to test and scrape

all free

one command each to install

this is what MCP was built for