Skip to content
JS
Package

@langchain/protocol

TypeScript bindings for the LangChain agent streaming protocol

v0.0.19, 26 Aug 2026MIT-Types: -TypeScript tooling
$ npm install @langchain/protocol
npm

Key numbers

As of 25 Sept 2026
Weekly downloads
1.6m
- over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
0
Direct, from package.json
Last release
29 days ago
v0.0.19
GitHub stars
-
Open issues / PRs
- / -
Contributors
-
Commits, last 52 weeks
-

Downloads

Last week 2026-09-15 to 2026-09-21
01m2m3mSept 2025Mar 2026Sept 2026High 2.2m (25 Aug 2026)Low 0 (23 Sept 2025)
Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

1,596,903 downloads last week, 8,177,940 in the last month. No 52-week series has been fetched yet.

Maintenance

Releases, last 12 months
1919 in total
Latest version
0.0.19, 26 Aug 202629 days ago
First published
2 Apr 2026
Last push to GitHub
-
Repository archived
-
Open issues
-
Open pull requests
-
Commits, last 52 weeks
-
Dependents on npm
9

Major versions

  1. v0 first release 0.0.1, 2 Apr 2026

Recent releases

VersionPublished
0.0.1926 Aug 2026
0.0.1818 Jun 2026
0.0.1718 Jun 2026
0.0.1628 May 2026
0.0.1530 Apr 2026
0.0.1429 Apr 2026
0.0.1324 Apr 2026
0.0.1223 Apr 2026
0.0.1123 Apr 2026
0.0.1017 Apr 2026
0.0.916 Apr 2026
0.0.815 Apr 2026
0.0.713 Apr 2026
0.0.610 Apr 2026

Compatibility

Module format
-Not determined from package.json
TypeScript types
-
Node.js engine range
Not declared
Runtimes
-
Unpacked size (npm)
-
Dependencies (0)
None

Install

npm install @langchain/protocol

CDN

  • jsDelivrhttps://cdn.jsdelivr.net/npm/@langchain/protocol@0.0.19/
  • unpkghttps://unpkg.com/@langchain/protocol@0.0.19/
  • esm.shhttps://esm.sh/@langchain/protocol@0.0.19
Sources: npm registry, npm downloads API. Data fetched 25 Sept 2026.

Indexability: Not indexed (discovery only): GitHub data not fetched yet.