context-mode claims 98 percent tool-output reduction but ships under Elastic License 2.0, not open source

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mksglu/context-mode is at 21,607 stars after a +414 day, offering sandboxed tool output, persisted session memory and routing enforcement across 17 agent platforms via MCP servers plus hooks. The headline claim is a 98 percent reduction in tool output entering the context window, and the repo description has ratcheted from 12 to 15 to 17 platforms across successive README revisions. The license is Elastic License 2.0, source-available rather than OSI-approved, which matters if you plan to embed it in anything you ship.