hwchase17
Co-founder of LangChain. Building the tooling layer for LLM applications.
Location: San Francisco, CA
Harrison Chase created LangChain while working at Robust Intelligence. Within months it became the default way to build LLM applications. LangChain now powers thousands of production AI systems.
Current Focus
- LangSmith production monitoring
- LangGraph agent framework
- LLM application infrastructure
Projects
- LangChain - Most popular framework for building LLM apps. 90k+ GitHub stars, Python and JS.
- LangSmith - Production observability platform for LLM applications.
- LangGraph - Framework for building stateful, multi-actor agentic applications.
Links
- github: https://github.com/hwchase17
- website: https://www.langchain.com
- x: https://x.com/hwchase17
Machine-readable endpoints: JSON: https://you.md/hwchase17/you.json Text: https://you.md/hwchase17/you.txt
rendering portrait...
HWascii pending
hwchase17
Co-founder of LangChain. Building the tooling layer for LLM applications.
active
San Francisco, CA
@hwchase17
public conversation api
ask @hwchase17's public You.md
POST /api/v1/profiles/hwchase17/conversation
agent brainpublic brain endpoints + optional public stacks
public brain endpoints (no JS required):
GET you.md/hwchase17/you.json
GET you.md/hwchase17/you.txt
preferred retrieval order:
1. /hwchase17/you.json -- structured public brain
2. /hwchase17/you.txt -- plain text markdown
3. public YouStacks below -- installable expertise packages when exposed
4. protected API/MCP -- private memory, tokens, and connected tools by grant
identity
Harrison Chase created LangChain while working at Robust Intelligence. Within months it became the default way to build LLM applications. LangChain now powers thousands of production AI systems.
current activity
- LangSmith production monitoring
- LangGraph agent framework
- LLM application infrastructure
projects
LangChain
Most popular framework for building LLM apps. 90k+ GitHub stars, Python and JS.
LangSmith
Production observability platform for LLM applications.
LangGraph
Framework for building stateful, multi-actor agentic applications.
links
export
share
maintenance
maintained by: human + agent
want your own agent brain?
> create yoursupdated by the human. maintained by the system.