AI Plugin Index
How to install langchain in ChatGPT
To use langchain in ChatGPT, add its hosted URL (https://doc2mcp.site/api/mcp/0cd2635e-0cd5-4712-b33c-13b10c547e42/mcp) as a custom connector under Settings, Connectors, then sign in if asked.
Built from the published package · server updated 2 months ago
- 1
Copy the server URL
This is the hosted endpoint ChatGPT connects to:
https://doc2mcp.site/api/mcp/0cd2635e-0cd5-4712-b33c-13b10c547e42/mcp - 2
Add a custom connector
In ChatGPT, open Settings, then Connectors (Apps and connectors), and add a custom connector with this URL. Some plans need developer mode turned on first.
- 3
Sign in if asked
If the server uses OAuth, ChatGPT opens a sign-in page. Then pick the connector from the tools menu in a chat.
MCP servers run with your permissions. If langchain needs an API key, add it under env in the config. Check its README.
Install langchain in another app
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Questions
Does langchain work in ChatGPT?
Yes. ChatGPT supports remote (hosted) mcp servers only, as plugins or custom connectors, and langchain installs with the steps above.
langchain does not show up in ChatGPT. What now?
Restart ChatGPT fully, check the JSON is valid, and make sure Node.js (for npx) is installed. See common MCP errors and fixes.
Is langchain safe?
It scores 50 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.