every server in the MCP registry, probed each day

mcpcost measures what MCP servers cost before the first prompt

Check a server

A registry name opens its page. Any other URL is probed now, with the same steps as the daily run.

Measure your own config

npx mcpcost

Reads the configs of Claude Code, Claude Desktop, Cursor, VS Code, Windsurf and Gemini CLI, starts each server and prints the cost per server. --budget makes it a CI check. npm · GitHub Action

The registry today

58 %alive

25 %need auth, payment, setup or a URL of your own

14 %down for two days or more

2.5kmedian tokens per server in Claude Opus 5.5

22k90th percentile

1634kheaviest server

52 550 servers · 3 % no answer for less than two days, not counted as down · probed 2026-11-01 · statistics · what changed

Every server you connect hands its tool definitions to the model at the start of a session, and you pay those tokens in every turn. mcpcost tells you if a server is alive and how many tokens its tools take, as Claude counts them. How we measure. The monthly report, The state of the MCP registry, October 2026, has the numbers and a CC BY 4.0 dataset.