Allow servers / clients to advertize extensions in the capability object#1630
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chughtapan wants to merge 6 commits intomodelcontextprotocol:mainfrom
Open
Allow servers / clients to advertize extensions in the capability object#1630chughtapan wants to merge 6 commits intomodelcontextprotocol:mainfrom
chughtapan wants to merge 6 commits intomodelcontextprotocol:mainfrom
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Extensions currently must use the experimental field as a workaround.
This adds a dedicated extensions field (record of URI → object) to
ServerCapabilitiesSchema, enabling capabilities like
extensions["io.modelcontextprotocol/grouping"]: { listChanged: true }.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Use "extension identifiers" (vendor-prefix/extension-name) instead of "URIs" per the SEP-2133 Extensions specification. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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@modelcontextprotocol/client
@modelcontextprotocol/server
@modelcontextprotocol/express
@modelcontextprotocol/hono
@modelcontextprotocol/node
commit: |
chughtapan
changed the title
3 tasks
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Needs to be both on client and server #1475 |
Addresses PR feedback: extensions need to be on both client and server capability objects per SEP-2133. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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According to SEP-2133, the protocol supports extensions which be be advertised in the capabilities object. This PR adds this field to the SDK
Motivation and Context
This enables extensions to build upon the typescript-sdk
How Has This Been Tested?
Existing and new tests pass.
Breaking Changes
No
Types of changes
Checklist
Additional context