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Package

langsmith

Client library to connect to the LangSmith Observability and Evaluation Platform.

v0.10.5, 21 Sept 2026MITESM + CommonJSTypes: BundledMonitoring and error tracking
$ npm install langsmith

Key numbers

As of 25 Sept 2026
Weekly downloads
4.5m
+164% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
1
Direct, from package.json
Last release
3 days ago
v0.10.5
GitHub stars
1.1k
299 forks
Open issues / PRs
118 / 108
Contributors
-
Commits, last 52 weeks
999

Downloads

Last week 2026-09-15 to 2026-09-21
02m4m6m8mSept 2025Mar 2026Sept 2026High 6.6m (25 Aug 2026)Low 1.5m (23 Dec 2025)
Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

4,512,655 downloads last week, 23,512,523 in the last month. The 12-month change of +164% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
100311 in total
Latest version
0.10.5, 21 Sept 20263 days ago
First published
26 Jun 2023
Last push to GitHub
25 Sept 2026same day as the snapshot
Repository archived
No
Open issues
118
Open pull requests
108
Commits, last 52 weeks
999
Dependents on npm
-

Major versions

  1. v0 first release 0.0.1, 26 Jun 2023

Recent releases

VersionPublished
0.10.521 Sept 2026
0.10.415 Sept 2026
0.10.311 Sept 2026
0.10.25 Sept 2026
0.10.11 Sept 2026
0.10.01 Sept 2026
0.9.019 Aug 2026
0.8.1219 Aug 2026
0.8.1114 Aug 2026
0.8.1011 Aug 2026
0.8.931 Jul 2026
0.8.830 Jul 2026
0.8.724 Jul 2026
0.8.623 Jul 2026
Module format
ESM + CommonJSFrom package.json type, main and exports fields
TypeScript types
Bundled
Node.js engine range
Not declared
Runtimes
-
Unpacked size (npm)
3.2 MB
Dependencies (1)
p-queue
Peer dependencies (5)
wsopenai@opentelemetry/api@opentelemetry/sdk-trace-base@opentelemetry/exporter-trace-otlp-proto
npm install langsmith

CDN

jsDelivr: 149.6k requests in 30 days
  • jsDelivrhttps://cdn.jsdelivr.net/npm/langsmith@0.10.5/
  • unpkghttps://unpkg.com/langsmith@0.10.5/
  • esm.shhttps://esm.sh/langsmith@0.10.5
PackageWeekly downloadsGzipLast releaseModuleComparison
@traceloop/instrumentation-langchain140.2k-3 months agoESM + CommonJS-
@traceloop/instrumentation-utils84.5k-3 months agoESM + CommonJS-
Sources: npm registry, npm downloads API, GitHub API, jsDelivr. Data fetched 25 Sept 2026.

Indexability: Indexed.