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Description

This PR fixes multiple broken links discovered throughout the LangChain.js documentation. The changes include:

  • LangGraph references: Fixed broken URL to LangGraph Pregel class reference
  • LangSmith documentation: Updated outdated paths for how-to guides, evaluation guides, and tutorials
  • External service URLs: Corrected links to various integration services (Minimax, PremAI, PromptLayer, Dria, Zep, Zapier, etc.)
  • GitHub template links: Updated LangChain Next.js template link with specific commit hash
  • Vector store documentation: Fixed links to Google Vertex AI and other vector store documentation
  • File references: Corrected broken file path references within the repository
  • Tutorial organization: Restructured LangSmith tutorial links into organized categories

Context

These changes were discovered as part of a broader effort to move the check-broken-links script into a dedicated infrastructure package. While I'm still preparing that larger refactoring PR, I wanted to proactively fix the broken links that were identified during the link checking process to improve the documentation experience for users immediately.

The broken links were causing 404 errors and making it difficult for users to access referenced resources and documentation.

- Fix LangGraph Pregel class reference URL
- Update LangChain Next.js template link with specific commit hash
- Correct LangSmith documentation URLs for how-to guides and evaluation
- Fix external service URLs (Minimax, PremAI, PromptLayer, Dria, Zep, Zapier)
- Update vector store documentation links (Google Vertex AI, Rockset)
- Reorganize LangSmith tutorial links into categorized sections
- Remove broken file path references and update to correct locations

This commit addresses multiple 404 errors and outdated links found
throughout the documentation, improving user experience and accessibility
of referenced resources.
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@dosubot dosubot bot added size:M This PR changes 30-99 lines, ignoring generated files. auto:documentation Changes to documentation and examples, like .md, .rst, .ipynb files. Changes to the docs/ folder labels Jun 16, 2025
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dqbd commented Jun 17, 2025

Thank you!

@dosubot dosubot bot added the lgtm PRs that are ready to be merged as-is label Jun 17, 2025
@dqbd dqbd merged commit b3b73f8 into langchain-ai:main Jun 17, 2025
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auto:documentation Changes to documentation and examples, like .md, .rst, .ipynb files. Changes to the docs/ folder lgtm PRs that are ready to be merged as-is size:M This PR changes 30-99 lines, ignoring generated files.

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2 participants