DeepSeek's open-source dsh harness makes every part of a coding agent a swappable plugin
alex_verem · x · 2026-09-15
DeepSeek released a developer preview of DeepSeek Harness (dsh): one terminal command spins up a local web app with a coding agent. Everything — model adapter, tool registry, session log, agent loop — is a plugin with no protected core, so the model becomes just a setting and the sandbox can point at a remote machine. Anything the model sees must be written to the session log first, enforced at runtime, enabling forking, replay and audit. The repo has 225k stars and 15k commits.
Related event: DeepSeek Open-Sources dsh, a Fully Pluggable Coding Agent Framework(3 posts)→
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