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Act on this, mostly signal

code-mode keeps MCP tool results out of Claude Code's context

What to do

Try code-mode if MCP results are bloating your Claude Code context.

Why

A plugin runs MCP calls in a sandbox and returns only the answer, measured 43% cheaper per task with Haiku 5.5.

Read the source at github.com

What the research found

code-mode is a Claude Code plugin that runs MCP calls in a sandboxed program and returns only the answer, measured at 43% lower cost per task with Haiku 5.5 and 30/30 correct answers in bench runs.

Claims and how well the evidence supports them

  1. code-mode is a Claude Code plugin that runs MCP tool calls in a sandbox and returns only the filtered answer 98%
  2. Measured 43% lower cost per task with Haiku 5.5 at 30/30 correct answers 98%
  3. Requires Claude Code and Node.js 22.13+ with no dependencies 98%
  4. Plugin 0.6.0 did not deliver the code-mode start line to the model; 0.6.1 raised routing through code-mode (direct calls fell from 89% to 2%) 98%

Evidence

Actionability rated medium.