Measure Your MCP Server's Token Tax in 60 Seconds (opens in new tab)

The MCP server token tax is the context budget every tool definition eats before your agent does a single useful thing. To measure it, pull the server's tools/list JSON and tokenize each definition. Claude Code's Tool Search defers loading — it doesn't reduce the tax. Run the 60-second audit below and you'll see your real per-tool cost instead of repeating someone else's number. In short: the MCP server token tax is the context budget every tool definition eats before your agent does anything...