spring-projects / spring-projects/spring-ai

tool-response-mime-type property conflicts with ToolCallResultConverter class

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status: feedback-provided
Dominant language
Java
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Description

Bug description
tool-response-mime-type property conflicts with ToolCallResultConverter class
and
The converters for Spring AI and MCP are both very immature,Multimodal support is extremely limited, and even not supported

**Suggestion
It is not recommended to directly apply the @ Tool annotation of spring ai. It is suggested to create a new @ McpTool annotation to adapt to the constantly changing Mcp protocol. If you adopt my suggestion, I can help you by providing PR

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by inspecting the ToolCallResultConverter class, the tool-response-mime-type property, the Spring AI and MCP converters, and the @Tool annotation mentioned in the report. Determine the exact conflict and whether the requested MCP-specific annotation and multimodal converter changes are in scope; done requires an agreed design and corresponding converter behavior.

Written by the indexing model from the issue text.

Assessment

Tech stack
java, spring
Domain
ai, backend-api-design
Issue type
Bug
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
20/100

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