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[Refactor/Chore] MCP Validate incoming payloads as JSON RPC requests before handling #21309

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opened 2026-02-21 20:11:54 -05:00 by yindo · 0 comments
yindo commented 2026-02-21 20:11:54 -05:00
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Originally created by @Nov1c444 on GitHub (Dec 26, 2025).

Originally assigned to: @Nov1c444 on GitHub.

Self Checks

  • I have read the Contributing Guide and Language Policy.
  • This is only for refactors or chores; 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.

Description

Invalid payloads were being treated as JSONRPCRequest, causing unexpected processing paths. Add a type guard to ensure only valid JSON RPC request objects are handled.

Motivation

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Additional Context

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Originally created by @Nov1c444 on GitHub (Dec 26, 2025). Originally assigned to: @Nov1c444 on GitHub. ### 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 refactors or chores; 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. ### Description Invalid payloads were being treated as JSONRPCRequest, causing unexpected processing paths. Add a type guard to ensure only valid JSON RPC request objects are handled. ### Motivation _No response_ ### Additional Context _No response_
yindo closed this issue 2026-02-21 20:11:54 -05:00
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Reference: langgenius/dify#21309
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