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agent calls workflow tool with incorrect parameter probabilistically #19708

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opened 2026-02-21 20:03:03 -05:00 by yindo · 0 comments
yindo commented 2026-02-21 20:03:03 -05:00
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Originally created by @zhangpeng00247944 on GitHub (Oct 21, 2025).

Self Checks

  • I have read the Contributing Guide and Language Policy.
  • This is only for bug report, if you would like to ask a question, please head to Discussions.
  • I have searched for existing issues search for existing issues, including closed ones.
  • I confirm that I am using English to submit this report, otherwise it will be closed.
  • 【中文用户 & Non English User】请使用英语提交，否则会被关闭 ：）
  • Please do not modify this template :) and fill in all the required fields.

Dify version

1.8.1

Cloud or Self Hosted

Self Hosted (Docker)

Steps to reproduce

  1. create an agent and add simple workflow tools to the agent
  2. ask question to make the agent to calls workflow tool, and check whether the parameter is correct

✔️ Expected Behavior

Agent calls workflow tool with correct parameter.

❌ Actual Behavior

Agent calls workflow tool with incorrect parameter. I'm not sure whether the cause of this problem is the agent or the LLM model.

Image Image Image
Originally created by @zhangpeng00247944 on GitHub (Oct 21, 2025). ### Self Checks - [x] I have read the [Contributing Guide](https://github.com/langgenius/dify/blob/main/CONTRIBUTING.md) and [Language Policy](https://github.com/langgenius/dify/issues/1542). - [x] This is only for bug report, if you would like to ask a question, please head to [Discussions](https://github.com/langgenius/dify/discussions/categories/general). - [x] I have searched for existing issues [search for existing issues](https://github.com/langgenius/dify/issues), including closed ones. - [x] I confirm that I am using English to submit this report, otherwise it will be closed. - [x] 【中文用户 & Non English User】请使用英语提交，否则会被关闭 ：） - [x] Please do not modify this template :) and fill in all the required fields. ### Dify version 1.8.1 ### Cloud or Self Hosted Self Hosted (Docker) ### Steps to reproduce 1. create an agent and add simple workflow tools to the agent 2. ask question to make the agent to calls workflow tool, and check whether the parameter is correct ### ✔️ Expected Behavior Agent calls workflow tool with correct parameter. ### ❌ Actual Behavior Agent calls workflow tool with incorrect parameter. I'm not sure whether the cause of this problem is the agent or the LLM model. <img width="1710" height="913" alt="Image" src="https://github.com/user-attachments/assets/741b7367-32d5-4971-9b01-63372afd7b6c" /> <img width="1911" height="913" alt="Image" src="https://github.com/user-attachments/assets/d2f0e68f-bb32-42df-a649-57c7a516c0d6" /> <img width="1894" height="975" alt="Image" src="https://github.com/user-attachments/assets/6ea26fff-ef56-4f5c-9fd8-563f6473fd8d" />
yindo added the 🤖 feat:agent label 2026-02-21 20:03:03 -05:00
yindo closed this issue 2026-02-21 20:03:03 -05:00
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Reference: langgenius/dify#19708
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