What should an MCP tool return? I ran 72 trials instead of arguing
Article summary
Quick briefing — cleaned from the original RSS feed
There's an argument running about MCP right now. You've probably seen it: a 400-point thread called "MCP is dead?" with real token numbers in it, four connected servers eating 21,077 tokens of context before anyone asks a question. The argument is about what MCP costs. Almost nobody in it has measured what agents actually do with the data a tool returns. I ended up measuring that, not because I planned to, but because a maintainer refused to let me guess. The question nobody wanted to answer…
1Key Takeaways
- There's an argument running about MCP right now.
- You've probably seen it: a 400-point thread called "MCP is dead?" with real token numbers in it, four connected servers eating 21,077 tokens of context before anyone asks a question.
- The argument is about what MCP costs.
- Almost nobody in it has measured what agents actually do with the data a tool returns.
2AIWedia Score
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3Why it matters
Coding AI shifts how fast software ships and how much human review each change needs. DEV — AI reports that there's an argument running about MCP right now.
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