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Code Issues 775 Packages Projects Releases 10 Wiki Activity

JSON returns from custom tools becomes malformed #17216

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opened 2026-02-21 19:32:41 -05:00 by yindo · 0 comments
yindo commented 2026-02-21 19:32:41 -05:00
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Originally created by @kevinat on GitHub (Sep 11, 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

Image

This cause my code can not parse the resulting JSON, and this code used to work fine.

✔️ Expected Behavior

{
"text": "[{\"_id\": null, \"price\": 6255.0}]"
}

❌ Actual Behavior

{
"text": "[{'_id': None, 'price': 6255.0}]"
}

Originally created by @kevinat on GitHub (Sep 11, 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 <img width="1088" height="1304" alt="Image" src="https://github.com/user-attachments/assets/009e5fe7-df0b-4e76-9dcf-710d0e07f423" /> This cause my code can not parse the resulting JSON, and this code used to work fine. ### ✔️ Expected Behavior { "text": "[{\\"_id\\": null, \\"price\\": 6255.0}]" } ### ❌ Actual Behavior { "text": "[{'_id': None, 'price': 6255.0}]" }
yindo added the 🐞 bug label 2026-02-21 19:32:41 -05:00
yindo closed this issue 2026-02-21 19:32:41 -05:00
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Reference: langgenius/dify#17216
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