BRACE
SPROUL

HEAD OF APPLIED AI @ LANGCHAIN

AI/ML Engineer heading LangChain's Applied AI team. Interested in agents, drones, and rockets.

AI
OSS

EXPERIENCE

LangChain AI

San Francisco

Head of Applied AI

March 2025 - Present

Leading LangChain's Applied AI team. Managing the development of agents, AI workflows, and fullstack AI apps.

Applied AI Engineer

October 2023 - March 2025

Maintainer of LangChain's open source AI TypeScript repositories, with millions of monthly downloads across all projects. Core engineer implementing LangChain's agentic use case projects.
Create Inc.

San Francisco

Tech Lead | Full Stack Engineer

October 2022 - October 2023

Core team member developing Create's code generation AI agent using OpenAI's GPT via LangChain.

Working across a full TypeScript stack, building various features and products, including code generation using LLMs, infrastructure and database architecture, along with web apps.

Linear IO Services

Remote

Full Stack Engineer Contract

September 2022 - January 2023

As a contract software engineer, I worked on small-medium sized projects for a range of clients, using a full-stack approach with technologies including TypeScript, GraphQL, PostgreSQL and Firebase to deliver high-quality solutions, services and applications.

510 Kickz LLC

Berkeley CA

Founder

July 2017 - September 2021

Founded a bulk aftermarket distribution company that specialized in footwear and apparel. Over $1M in lifetime sales with hundreds enterprise scale businesses, and direct to consumer.

OPEN SOURCE

LIBRARIES I'M A CORE MAINTAINER OF

LangChain.js

14.3k

Build context-aware reasoning applications. A TypeScript framework with millions of monthly downloads.

TypeScriptAILLMs
VIEW PROJECT

LangGraph.js

1.3k

Framework to build resilient language agents as graphs. The TypeScript implementation of LangGraph.

AgentsGraphsTypeScript
VIEW PROJECT

FULLSTACK AI APPS/AGENTS

Open Canvas

4.4k

A better UX for chat, writing content, and coding with LLMs.

UXLLMsContent
VIEW PROJECT

Agent Inbox

496

An inbox UX for interacting with human-in-the-loop agents.

AgentsUXHuman-in-the-loop
VIEW PROJECT

Agent Chat UI

583

Web app for interacting with any LangGraph agent (PY & TS) via a chat interface.

ChatLangGraphUI
VIEW PROJECT

Social Media Agent

1.2k

An agent for sourcing, curating, and scheduling social media posts with human-in-the-loop.

Social MediaAgentsAutomation
VIEW PROJECT

MORE OPEN SOURCE PROJECTS

Check out my curated list of awesome LangGraph.js projects, tutorials, and resources. This repository contains a full list of open source AI projects, YouTube videos, and other resources for learning about and building with LangGraph.js.

VIEW AWESOME-LANGGRAPHJS

CONNECT

braceasproul (at) gmail.com