MCP Token Limits: The Hidden Cost of Tool Overload
dev.to·1d·
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You add a few MCP servers. GitHub for code, Notion for docs, maybe Slack for notifications. Suddenly Claude feels... slower. Less helpful. It misses context you explicitly provided. It gives generic answers to specific questions.

The Numbers Behind MCP Token Usage

Here’s a stat that stopped me cold: the GitHub MCP server alone consumes 55,000 tokens across its 93 tool definitions. That’s before you ask Claude anything. Before you paste any code. Before the conversation even starts.

Developer Scott Spence measured his MCP setup and found 66,000 tokens consumed at conversation start - one third of Claude Sonnet’s 200k context window, gone. As the CodeRabbit team put it: "Most of us are now drowning in the context we used to beg for."

MCP token usage has become the sil…

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