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Code Issues 54 Packages Projects Releases Wiki Activity

GLM-4.5 and GLM-4.5-Flash Models Suddenly Unable to Call MCP Service Tools #694

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opened 2026-02-16 10:20:13 -05:00 by yindo · 1 comment
yindo commented 2026-02-16 10:20:13 -05:00
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Originally created by @wzn1KhUGCtAj on GitHub (Oct 9, 2025).

Self Checks

  • This is only for bug report, if you would like to ask a question, please head to Discussions.
  • I have searched for existing issues Dify issues & Dify Official Plugins, including closed ones.
  • I confirm that I am using English to submit this report (我已阅读并同意 Language Policy).
  • [FOR CHINESE USERS] 请务必使用英文提交 Issue，否则会被关闭。谢谢！:）
  • Please do not modify this template :) and fill in all the required fields.

Dify version

1.8.1

Plugin version

zhipu AI 0.0.15

Cloud or Self Hosted

Self Hosted (Docker)

Steps to reproduce

Image

Before the end of October, models like GLM-4.5 and GLM-4.5-Flash in the Zhipu AI plugin could normally call my MCP service. However, for some reason, they are now unable to invoke tools for Q&A. I haven't made any changes to my setup, but the models consistently fail to call tools—each attempt simply ends the conversation without tool usage.
What could be causing this? Is it an issue with the Zhipu AI models themselves, or specifically with the Zhipu AI model plugin? Interestingly, other Zhipu AI models outside the 4.5 series can still call tools normally.

✔️ Error log

No response

Originally created by @wzn1KhUGCtAj on GitHub (Oct 9, 2025). ### Self Checks - [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 [Dify issues](https://github.com/langgenius/dify/issues) & [Dify Official Plugins](https://github.com/langgenius/dify-official-plugins/issues), including closed ones. - [x] I confirm that I am using English to submit this report (我已阅读并同意 [Language Policy](https://github.com/langgenius/dify/issues/1542)). - [x] [FOR CHINESE USERS] 请务必使用英文提交 Issue，否则会被关闭。谢谢！:） - [x] Please do not modify this template :) and fill in all the required fields. ### Dify version 1.8.1 ### Plugin version zhipu AI 0.0.15 ### Cloud or Self Hosted Self Hosted (Docker) ### Steps to reproduce <img width="1244" height="379" alt="Image" src="https://github.com/user-attachments/assets/db89dcdb-9809-40cf-9069-0bec8870bcd0" /> Before the end of October, models like GLM-4.5 and GLM-4.5-Flash in the Zhipu AI plugin could normally call my MCP service. However, for some reason, they are now unable to invoke tools for Q&A. I haven't made any changes to my setup, but the models consistently fail to call tools—each attempt simply ends the conversation without tool usage. What could be causing this? Is it an issue with the Zhipu AI models themselves, or specifically with the Zhipu AI model plugin? Interestingly, other Zhipu AI models outside the 4.5 series can still call tools normally. ### ✔️ Error log _No response_
yindo added the bug label 2026-02-16 10:20:13 -05:00
yindo closed this issue 2026-02-16 10:20:13 -05:00
yindo commented 2026-02-16 10:20:13 -05:00
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@dosubot[bot] commented on GitHub (Oct 26, 2025):

Hi, @wzn1KhUGCtAj. I'm Dosu, and I'm helping the dify-official-plugins team manage their backlog and am marking this issue as stale.

Issue Summary:

  • You reported that since late October, GLM-4.5 and GLM-4.5-Flash models in the Zhipu AI plugin (v0.0.15) on Dify 1.8.1 self-hosted via Docker can no longer call MCP service tools for Q&A.
  • Other Zhipu AI models continue to work fine with the same setup.
  • You have not changed your setup and are seeking clarification on whether the issue lies with the models or the plugin.
  • There have been no comments or updates on this issue since it was opened.

Next Steps:

  • Please let me know if this issue is still relevant with the latest version of the dify-official-plugins repository by commenting here.
  • If I do not hear back within 5 days, I will automatically close this issue.

Thank you for your understanding and contribution!

@dosubot[bot] commented on GitHub (Oct 26, 2025): Hi, @wzn1KhUGCtAj. I'm [Dosu](https://dosu.dev), and I'm helping the dify-official-plugins team manage their backlog and am marking this issue as stale. **Issue Summary:** - You reported that since late October, GLM-4.5 and GLM-4.5-Flash models in the Zhipu AI plugin (v0.0.15) on Dify 1.8.1 self-hosted via Docker can no longer call MCP service tools for Q&A. - Other Zhipu AI models continue to work fine with the same setup. - You have not changed your setup and are seeking clarification on whether the issue lies with the models or the plugin. - There have been no comments or updates on this issue since it was opened. **Next Steps:** - Please let me know if this issue is still relevant with the latest version of the dify-official-plugins repository by commenting here. - If I do not hear back within 5 days, I will automatically close this issue. Thank you for your understanding and contribution!
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Reference: langgenius/dify-official-plugins#694
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