modelcontextprotocol / modelcontextprotocol/kotlin-sdk

Document spec support

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documentation P2 ready for work
Dominant language
Kotlin
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Merged PRs (30d)
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Description

types.kt has two supported spec versions.

https://github.com/modelcontextprotocol/kotlin-sdk/blob/9341f1e42fb22846ad2b18c16a0d84c0633bc913/src/commonMain/kotlin/io/modelcontextprotocol/kotlin/sdk/types.kt#L18

But features like these address newer specs 2025-03-26

https://github.com/modelcontextprotocol/kotlin-sdk/pull/69
https://github.com/modelcontextprotocol/kotlin-sdk/pull/68

It's unclear exactly what is supported, but using with Copilot I get warnings like

Client requested unsupported protocol version 2025-03-26, falling back to 2024-11-05

Could this be documented?

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 with types.kt at the linked version declarations, then review pull requests 69 and 68 for newer specification-related features. Document which specification versions are supported and how requests for 2025-03-26 are handled, including the fallback warning shown in the issue.

Written by the indexing model from the issue text.

Assessment

Tech stack
kotlin
Domain
documentation
Issue type
Documentation
Difficulty
2/5
Estimated time
1-3 hours
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
45/100

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