10 popular MCP servers. 847 tools. 312K tokens of JSON schemas. One server alone wastes more tokens than a full GPT-3 conversation.
I Benchmarked 10 MCP Servers — One of Them Burns 47K Tokens Just to Say Hello
10 popular MCP servers. 847 tools total. 312K tokens of JSON schemas. One server alone wastes more tokens than a full GPT-3 conversation. Here are the results.
What I did
I installed the 10 most popular MCP servers from the official registry. Connected each one to a token counter. Measured exactly how many tokens get injected into your context window before you ask a single question.
The servers:
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