mksglu/context-mode: Sandboxing Tool Output for a Claimed 98% Context Reduction Across 15 Platforms

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context-mode is a TypeScript context-window optimizer that sandboxes tool output to claim a 98% reduction in context consumption, with integrations spanning 15 platforms including Claude Code, Codex, Cursor, OpenClaw, Zed and Kiro. It has reached ~16,931 stars since 2026-02-23. It sits in the same fast-growing context-engineering category as headroom and LeanCTX, but differentiates on breadth of editor/CLI support.