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How to install langchain in Claude Desktop

To install langchain in Claude Desktop, open Settings, Developer, Edit Config, paste the "langchain" block into mcpServers in claude_desktop_config.json, and restart the app.

Built from the published package · server updated 2 months ago

1. 1

   Open the config file

   In Claude Desktop, go to Settings, then Developer, then Edit Config.

2. 2

   Add the server

   Paste this into the file. If you already have servers, add the "langchain" entry inside your existing mcpServers block.

   {
     "mcpServers": {
       "langchain": {
         "url": "https://doc2mcp.site/api/mcp/0cd2635e-0cd5-4712-b33c-13b10c547e42/mcp",
         "headers": {
           "Authorization": "Bearer YOUR_API_KEY"
         }
       }
     }
   }

   Copy
3. 3

   Restart Claude Desktop

   Quit the app fully and open it again. The server appears under the tools icon in a new chat.

Config file: macOS: ~/Library/Application Support/Claude/claude_desktop_config.json · Windows: %APPDATA%\Claude\claude_desktop_config.json

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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