Agents
@hwchase17 middleware was the right abstraction for it too. way more adoptable than asking everyone to restructure their agent setup
LangChain's Middleware abstraction, introduced by Harrison Chase (@hwchase17) in LangChain 1.0 Alpha, addresses context engineering in AI agents by providing clean `before_model`, `after_model`, an...
LangChain's Middleware abstraction, introduced by Harrison Chase (@hwchase17) in LangChain 1.0 Alpha, addresses context engineering in AI agents by providing clean before_model, after_model, and modify_model_request hooks that control what happens around model calls. The design was praised for its high adoptability, as it integrates into existing agent setups without requiring developers to restructure their workflows. Community commentary highlighted that middleware was the right abstraction for this problem precisely because it lowers the barrier to adoption compared to more invasive architectural changes.
Related
- we just added a langchain-task-steering middleware to our community registry, s/o @EHallvaxhiu for the contribution! keep your agents on tra…
- As agent systems scale, the control layer becomes the main source of complexity. What starts simple turns into coordination and composition …
- Open Harness, separated from model providers is a critical architectural pattern.
- its a directionally correct form factor but way too much lock in
- @hwchase17 Ngl I really like this direction. The more AGENTS.md, skills, and tool config start looking like portable interfaces instead of a…
- Another banger article from the @LangChain team! Harness evolution combined with specialist local models will be the way forward undoubtedly…
Source: agents