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langchainjs

langchain-ai/langchainjs

The agent engineering platform

GitHub Website

GraphCanon updated today · GitHub synced today

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Stars
3.2k
Forks
397
Open issues
93
Watchers
2d
Last push
TypeScript MITCreated Feb 6, 2023

Trust & integrity

Full report
Maintenance
Very active (1d since push)
As of today · Source: github_public_v1
Provenance
Not a fork · Organization account
As of today · Source: github_public_v1
Security (OSV)
No lockfile
As of today · Source: none

Public GitHub metadata and optional OSV dependency scans. Signals, not a guarantee. Trust methodology.

Backing

Company and funding context for LangChain. Display-only - not part of trust score or organic ranking.

Company
LangChain·GitHub org profile·today
Funding
$25,000,000 (2024-02)·GraphCanon curated seed (public press)·today
Commercial model
Open core·GraphCanon curated seed·today

Overview

A TypeScript-based development tool for building AI agents.

Capability facts

MCP server
No MCP server detected

Source: repo_scan · Jul 11, 2026

Languages
typescript, javascript

Source: github.language+package.json · Jul 11, 2026

Categories

AI AgentsDeveloper Tools

Graph entities

LangChaincompany

Compatibility

Sourced claims from the README excerpt - not unsourced marketing copy.

LangChain integrationLangChain

Source: README excerpt (regex_v1, Jul 11, 2026)

You can use npm, pnpm, or yarn to install LangChain.js
Source link
Node.js runtimeNode.js

Source: README excerpt (regex_v1, Jul 11, 2026)

`npm install -S langchain` or `pnpm install langchain` or `yarn add langchain`
Source link

Tags

typescript

README

⚡️ Quick Install

You can use npm, pnpm, or yarn to install LangChain.js

npm install -S langchain or pnpm install langchain or yarn add langchain