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langchain

Typescript bindings for langchain
Licenses: MIT
Published: 3 years ago Last updated: 2 days ago Latest version: 1.4.2 Latest non-vulnerable version: 2.0.0-dev-1765937705265
npm
GitHub

Package Health Score

83/100
  • securitySecurity review needed
  • popularityKey ecosystem project
  • maintenanceHealthy
  • communityActive

Maintenance

HEALTHY

Commit Frequency

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Open Issues
180
Open PR
148
New PRS
1
Last Release
2 days ago
Last Commit
2 days 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 (2.2M)
GitHub Stars
17.7k
Forks
3.2k
Contributors
0

The npm package langchain receives a total of 2,179,818 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 17,716 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
0
Funding
No
LICENSE
MIT

This project has seen only 10 or less contributors.

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

SECURITY REVIEW NEEDED
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 (1.4.2)

Package versions

444 VERSIONS IN TOTAL See all versions
versionpublisheddirect vulnerabilities
2.0.0-dev-176593770526517 Dec, 2025
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1.4.221 May, 2026
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1.4.118 May, 2026
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1.4.05 May, 2026
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1.4.0-dev-17776155387781 May, 2026
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1.4.0-dev-17776141212441 May, 2026
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1.4.0-dev-177759005141330 Apr, 2026
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1.4.0-dev-177758764945130 Apr, 2026
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1.4.0-dev-177758192934630 Apr, 2026
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1.4.0-dev-177757688034030 Apr, 2026
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langchain dependencies

4 IN TOTAL
@langchain/langgraph@langchain/langgraph-checkpointlangsmithzod

langchain development dependencies

26 IN TOTAL
@hono/node-server@langchain/langgraph-api@langchain/langgraph-sdk@tsconfig/recommended@types/js-yaml@types/jsdom@types/ws@vitest/coverage-v8cheeriodotenvdpdmhonoopenaipeggyreflect-metadatarimraftinybenchtypeormtypescriptvitest
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