Sourced from @​modelcontextprotocol/sdk's releases.

1.12.1

What's Changed

• chore: fix typo by @​Skn0tt in modelcontextprotocol/typescript-sdk#315
• Add request init headers defined on the sse transport on the start phase by @​danielgek in modelcontextprotocol/typescript-sdk#538
• fix: Ensure _meta object is not lost when onprogress option is passed by @​daidi in modelcontextprotocol/typescript-sdk#560

New Contributors

• @​Skn0tt made their first contribution in modelcontextprotocol/typescript-sdk#315
• @​danielgek made their first contribution in modelcontextprotocol/typescript-sdk#538
• @​daidi made their first contribution in modelcontextprotocol/typescript-sdk#560

Full Changelog: https://github.com/modelcontextprotocol/typescript-sdk/compare/1.12.0...1.12.1

1.12.0

Authorization spec: DRAFT-2025-v2 🔐 🚀

• feat: Add support for separate Authorization Server / Resource server in server flow (spec: DRAFT-2025-v2) by @​pcarleton in modelcontextprotocol/typescript-sdk#503
• Feat: Separate authorization server and resource server on client auth flow by @​0Itsuki0 in modelcontextprotocol/typescript-sdk#416
• Example Auth client by @​ihrpr in modelcontextprotocol/typescript-sdk#526

Other changes

• Add support for message field in progress notifications by @​bhosmer-ant in modelcontextprotocol/typescript-sdk#502
• Fix Ajv import compatibility issue by downgrading to v6 by @​bhosmer-ant in modelcontextprotocol/typescript-sdk#517
• fix: ProxyOAuthServerProvider: redirect_uri missing in token request by @​shubham-lohar in modelcontextprotocol/typescript-sdk#519
• Save existing refresh_token in store if no new refresh_token is returned by @​fredericbarthelet in modelcontextprotocol/typescript-sdk#483 modelcontextprotocol/typescript-sdk#527
• Add state param to OAuth provider by @​jescalan in modelcontextprotocol/typescript-sdk#529
• Fix StreamableHttp example for tool calls - have a separate option for testing notifications resumption by @​ihrpr in modelcontextprotocol/typescript-sdk#534

New Contributors

• @​0Itsuki0 made their first contribution in modelcontextprotocol/typescript-sdk#416
• @​shubham-lohar made their first contribution in modelcontextprotocol/typescript-sdk#519
• @​jescalan made their first contribution in modelcontextprotocol/typescript-sdk#529

Full Changelog: https://github.com/modelcontextprotocol/typescript-sdk/compare/1.11.4...1.12.0

1.11.5

What's Changed

• Make content in Tool Result required by @​bhosmer-ant in modelcontextprotocol/typescript-sdk#524

Full Changelog: https://github.com/modelcontextprotocol/typescript-sdk/compare/1.11.4...1.11.5

1.11.4

What's Changed

• Prototype support for outputSchema/structuredContent by @​bhosmer-ant in modelcontextprotocol/typescript-sdk#454
• fix sse endpoint path preservation by @​bhosmer-ant in modelcontextprotocol/typescript-sdk#504
• rollback path preservation fix by @​bhosmer-ant in modelcontextprotocol/typescript-sdk#506

Full Changelog: https://github.com/modelcontextprotocol/typescript-sdk/compare/1.11.3...1.11.4

... (truncated)

• 590d484 Merge pull request #561 from modelcontextprotocol/ihrpr/1.12.1
• d46d488 bump version
• b2b426f Merge pull request #560 from daidi/main
• cdcb009 fix build and add tests
• 49777d5 fix: Ensure _meta object is not lost when onprogress option is passed
• df0d9c4 Merge pull request #538 from danielgek/add-request-init-headers-to-sse-start
• d5c996b Merge pull request #315 from Skn0tt/patch-1
• d38a597 Add request init headers defined on the sse transport to the start
• 0c4b308 Merge pull request #537 from modelcontextprotocol/ihrpr/1.12.0
• c69168c Merge pull request #534 from modelcontextprotocol/ihrpr/fix-example-shttp
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