Context Mode: 315 KB of MCP output becomes 5.4 KB in Claude Code
Summary
Context Mode is an MCP server that compresses large outputs from Claude Code, reducing context window usage from 315 KB to 5.4 KB (98% reduction). The article explains installation, how the sandbox and knowledge base work, smart snippets, throttling, session stats, and subagent routing, with benchmarks and real-world scenarios to demonstrate significant efficiency gains.