Project comparison
Compare adoption, momentum, maintenance health, and project basics before choosing which tool to evaluate deeper.
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.
Best matched with other agent tools.
langchain has the larger GitHub footprint with 145.8K stars.
langchain is currently growing faster at +599 stars this week.
langchain has the stronger automated maintenance signal at 84/100. This is not a security or fit verdict.
Use these signals to narrow your choice, then confirm setup, license, and fit upstream.
| Signal | Sandbase Harness | langchain |
|---|---|---|
| Evidence status | Basic listing· 7d ago | Recently verified· 11h ago |
| GitHub stars | 608 | 145.8K |
| Weekly growth | 0 | +599 |
| Health score | Watch50/100 |
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| Contributors | 2 | 3.7K |
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| Commits per week | 11.2 | 50.5 |
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| Open issues | 2 | 569 |
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| Language | TypeScript | Python |
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| License | Apache-2.0 | MIT |
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| Last commit | 21d ago | 12h ago |
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| Last release | v0.3.2 | langchain-core==1.4.0 |
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