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GitHub (microsoft/TokenEconomizer) ·

Microsoft's open-source TokenEconomizer plugin cuts Claude Code and Codex costs by learning from past sessions

The Apache-2.0 plugin from Microsoft Research and UC Berkeley works with Claude Code, Codex, Copilot CLI and Pi: it prunes tools a repo never uses, redirects turns stuck in failure loops, and can optionally inject learned repo facts, cutting mean SWE-Bench cost 18.4–30.9% in the paper's runs. It needs Python 3.10+ and no API key of its own, and everything it learns stays in ~/.tokeneconomizer (MarkTechPost).

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Claude Code
An AI coding agent for terminal, IDE, web, and Slack

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Flatbread Docs

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Vercel Changelog

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Cloudflare Changelog

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