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How to install Langchain in Claude Code

To install Langchain in Claude Code, run "claude mcp add langchain -- npx -y @true402.dev/langchain" in your terminal, then check it with "claude mcp list". It takes about a minute.

Built from the published package · server updated 3 days ago

1. 1

   Run the install command

   Open a terminal in your project and run:

   claude mcp add langchain -- npx -y @true402.dev/langchain

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2. 2

   Choose where it applies (optional)

   Add --scope user to use it in every project, or --scope project to share it with your team through a .mcp.json file.

   claude mcp add --scope user langchain -- npx -y @true402.dev/langchain

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3. 3

   Check that it is connected

   List your servers, or type /mcp inside a Claude Code session to see its status and tools.

   claude mcp list

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MCP servers run with your permissions. If Langchain needs an API key, add it under env in the config. Check its README.

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