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langchain

Typescript bindings for langchain
Licenses: MIT
Published: 3 years ago Last updated: 3 days ago Latest version: 1.2.39 Latest non-vulnerable version: 2.0.0-dev-1765937705265
npm
GitHub

Package Health Score

95/100
  • securityNo known security issues
  • popularityKey ecosystem project
  • maintenanceHealthy
  • communityActive

Maintenance

HEALTHY

Commit Frequency

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Open Issues
162
Open PR
142
New PRS
1
Last Release
3 days ago
Last Commit
21 hours ago
Maintainers
8

Further analysis of the maintenance status of langchain based on released npm versions cadence, the repository activity, and other data points determined that its maintenance is Healthy.

We found that langchain demonstrates a positive version release cadence with at least one new version released in the past 3 months.

As a healthy sign for on-going project maintenance, we found that the GitHub repository had at least 1 pull request or issue interacted with by the community.

Popularity

KEY ECOSYSTEM PROJECT
Weekly downloads (2.4M)
GitHub Stars
17.4k
Forks
3.1k
Contributors
450

The npm package langchain receives a total of 2,430,160 downloads a week. As such, we scored langchain popularity level to be Key ecosystem project.

Based on project statistics from the GitHub repository for the npm package langchain, we found that it has been starred 17,393 times.

Downloads are calculated as moving averages for a period of the last 12 months, excluding weekends and known missing data points.

Community

ACTIVE
Readme.md
Yes
Contributing.md
Yes
Code of Conduct
Yes
Contributors
450
Funding
No
LICENSE
MIT

A good and healthy external contribution signal for langchain project, which invites more than one hundred open source maintainers to collaborate on the repository.

License

MIT>=0;
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Direct Vulnerabilities

Known vulnerabilities in the langchain package. This does not include vulnerabilities belonging to this package’s dependencies.

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Security

NO KNOWN SECURITY ISSUES
Show only direct vulnerabilities in latest version
No vulnerabilities found

No vulnerabilities found in the latest version

There are 2 total vulnerabilities, but none affect the latest version (1.2.39)

Package versions

414 VERSIONS IN TOTAL See all versions
versionpublisheddirect vulnerabilities
2.0.0-dev-176593770526517 Dec, 2025
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1.3.0-dev-177396263379519 Mar, 2026
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1.2.3931 Mar, 2026
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1.2.3830 Mar, 2026
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1.2.3724 Mar, 2026
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1.2.3622 Mar, 2026
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1.2.3518 Mar, 2026
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1.2.3417 Mar, 2026
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1.2.3317 Mar, 2026
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1.2.33-dev-177378658057517 Mar, 2026
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langchain dependencies

5 IN TOTAL
@langchain/langgraph@langchain/langgraph-checkpointlangsmithuuidzod

langchain development dependencies

26 IN TOTAL
@tsconfig/recommended@types/js-yaml@types/jsdom@types/uuid@types/ws@vitest/coverage-v8cheeriodotenvdpdmeslintopenaipeggyprettierreflect-metadatarimraftinybenchtypeormtypescriptvitestyaml
Show more dependencies