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LangChain agent components drops response connection with chat output

Open joazker-bit opened this issue 1 month ago • 1 comments

Bug Description

In v.1.6.5 all langchain agent output connections from response are dropping connections after any action: adding or deleting any other link, saving or sending request from playground. In v.1.5.1 i can not reproduce it

Reproduction

How to reproduce:

  1. Create a new flow
  2. Add Openai tools agent component (or tools calls agent, or openai agent or any other langchain agent)
  3. Connect response output with chat output node
  4. Connect any other node or close and reopen flow or make a call through playground

Expected behavior

Expected that node with maintain connection with another node

Who can help?

No response

Operating System

Windows 11

Langflow Version

1.6.5

Python Version

None

Screenshot

Image

Flow File

Simple.Agent_drop.problem.json

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joazker-bit avatar Nov 13 '25 14:11 joazker-bit

Image

added gif to illustrate the problem

joazker-bit avatar Nov 14 '25 06:11 joazker-bit

Hi @joazker-bit,

Thank you for your report.

andifilhohub avatar Dec 09 '25 20:12 andifilhohub