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feat: Add form and url field modeling to Elicitation capability - #1
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overheadhunter merged 1 commit intoJan 8, 2026
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…1-25 spec
Update the ClientCapabilities.Elicitation record to accept optional "form"
and "url" fields as defined in the MCP 2025-11-25 specification.
Previously, deserializing an InitializeRequest with
`{"capabilities":{"elicitation":{"form":{}}}}` would fail with
UnrecognizedPropertyException because the Elicitation record was empty.
Changes:
- Add nested Form and Url marker records to Elicitation
- Add no-arg constructor for backward compatibility (serializes to {})
- Add elicitation(boolean form, boolean url) builder method
- Add comprehensive tests for deserialization and serialization
Fixes modelcontextprotocol#724
overheadhunter
approved these changes
Jan 8, 2026
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Summary
Builds on top of your
@JsonIgnoreProperties(ignoreUnknown = true)fix by adding proper field modeling forformandurlper the 2025-11-25 spec.Changes
FormandUrlrecords toElicitationwith proper Jackson annotations@JsonIgnoreProperties(ignoreUnknown = true)on all records for future-proofingelicitation(boolean form, boolean url)builder method for explicit controltestParseInitializeRequestto expect correct parsed valuesBenefits of Combined Approach
Test plan