255 MCP tools. 91,000 tokens of JSON schemas. Before you ask a single question. Here's what I found...
255 MCP tools. 91,000 tokens of JSON schemas. Before you ask a single question. Here's what I found and how I fixed it.
The experiment
I connected Claude Code to 5 MCP servers. File system, GitHub, Postgres, Puppeteer, and a custom search tool. Then I counted every token that flowed through the system.
The numbers:
Phase
I use MCP servers with Claude Code every day. Last week I actually counted how many tokens get burned...
I counted them last week: 47 MCP tools wired into one of my agent sessions. Not called — just loaded....
10 popular MCP servers. 847 tools. 312K tokens of JSON schemas. One server alone wastes more tokens than a full GPT-3…
I connected an MCP server last month and watched my token bill jump 37% on the first call. The actual...
The MCP server token tax is the context budget every tool definition eats before your agent does a...
MCP tools inject hidden context into every agent turn. I measured exactly how much — and which server designs are cheapest.
