Agent harnesses
LangChain
The agent engineering platform.
Open source
★ 149,300 on GitHub · +13 today · last commit Nov 10, 2026
What it is
Our note
Foundational LLM/agent orchestration framework
At a glance
- Business model
- Open source
- License
- MIT
GitHub activity
This product has a public repository, so we read it nightly from the GitHub API. Stars measure developer attention, not quality or market share.
“The agent engineering platform.” (repository description)
- Stars
- 149,300
- Change since last reading
- +13
- Forks
- 25,104
- Open issues
- 739
- Last commit
- Nov 10, 2026 (0 days ago)
- License (GitHub)
- MIT
Links and sources
- Official sitedocs.langchain.com/langchain
- GitHub repositorygithub.com/langchain-ai/langchain
Added nov 8, 2026. Vendor facts come from the vendor’s own pages; benchmark claims are self-reported unless we say otherwise.