DeepSeek ships `dsh` — an MIT agent harness where model adapter, tools, and the agent loop itself are all replaceable plugins
DeepSeek's dsh agent harness (MIT) hit ~165K GitHub stars in six days; every part — model adapter, tools, agent loop — is a replaceable Cordis plugin. Developer preview.
OpenWiki: LangChain's CLI that lets agents maintain their own docs
OpenWiki is a TypeScript CLI from LangChain that writes AGENTS.md, CLAUDE.md, and a local wiki from a repo or your personal sources — and updates them in CI.
Ratel: an in-process BM25 tool catalog that cuts AI agent context spend 87% on BFCL v3
Ratel (ratel-ai/ratel, 186★, Apache-2.0 core + MIT SDKs) ships an in-process BM25 tool catalog. On BFCL v3: ~87% fewer tokens, tool selection within ±5 points.