DeepSeek's official open-source agent harness — a plugin-first runtime where everything is a plugin. The framework every DSH plugin extends.
sandbase-harness
An open-source, CMA-compatible agent runtime for any model, with MCP tools built in.
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About this plugin
Open-source CMA-compatible agent runtime for any model, with MCP tools, sandboxed sessions, audit, replay, and a local console. Includes a native DeepSeek Harness bundle over stdio MCP.
Install this DSH plugin
Copy the command below and run it in your DeepSeek Harness terminal.
dsh plugin add github:sandbaseai/sandbase-harness ⚠️ Plugins run with the permissions of your dsh process and may execute code at install time. Review the source repository and its license before installing. Pin the commit hash for reproducible installs. Plugin safety →
More about this plugin
SandBase Harness A local-first runtime for AI agents. Sessions, sandboxed tools, memory, credentials, audit trails, and a built-in Console — all running on your machine or in your own infrastructure.
About this plugin: sandbase-harness
What is sandbase-harness?
sandbase-harness is a development & runtime plugin maintained by sandbaseai. An open-source, CMA-compatible agent runtime for any model, with MCP tools built in.
How do I install sandbase-harness?
Run dsh plugin add github:sandbaseai/sandbase-harness in your DeepSeek Harness terminal. The dsh CLI resolves the plugin from GitHub and installs it into your active profile. For reproducible installs, pin a commit hash: dsh plugin add github:sandbaseai/sandbase-harness#commit.
Is sandbase-harness free?
sandbase-harness is a community open-source project released under the NOASSERTION license. You can inspect its source and install it for free.
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