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DeepSeek just did it again.

Hasan Toor · post · direct signal

Open source

DeepSeek just did it again. They open-sourced their own agent harness that goes straight against Claude Code and Codex. Every coding harness today ships as a monolith. The prompt, the tools, the memory, the UI, all baked into a single binary. If you want to swap the model router or add a new tool, you're patching someone else's core. And when the maintainer…

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DeepSeek just did it again. They open-sourced their own agent harness that goes straight against Claude Code and Codex. Every coding harness today ships as a monolith. The prompt, the tools, the memory, the UI, all baked into a single binary. If you want to swap the model router or add a new tool, you're patching someone else's core. And when the maintainer…

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Evidence updated 2026-08-16T04:04:35.174Z. Interaction numbers are platform-native snapshots; the evidence panel records the metric source and observation time. NULL means the public page did not expose a number at collection time.