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chore(deps): bump github.com/modelcontextprotocol/go-sdk from 1.4.1 to 1.5.0 in the go-dependencies group#12

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chore(deps): bump github.com/modelcontextprotocol/go-sdk from 1.4.1 to 1.5.0 in the go-dependencies group#12
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@dependabot dependabot bot commented on behalf of github Apr 9, 2026

Bumps the go-dependencies group with 1 update: github.com/modelcontextprotocol/go-sdk.

Updates github.com/modelcontextprotocol/go-sdk from 1.4.1 to 1.5.0

Release notes

Sourced from github.com/modelcontextprotocol/go-sdk's releases.

v1.5.0

This release is equivalent to v1.5.0-pre.1. Thank you to those who tested the pre-release.

In this release we introduce important enhancements to the client-side OAuth flows. We also introduce several smaller fixes and improvements.

Stabilization of client-side OAuth APIs

As previously communicated, we're stabilizing the client-side OAuth APIs in v1.5.0. This means that the mcp_go_client_oauth build tag will no longer be required to compile the functionality and standard backward compatibility guarantees apply from now on.

Compared to the experimental support published in v1.4.0, we made some backwards incompatible changes:

  • auth.AuthorizationCodeHandlerConfig.AuthorizationCodeFetcher's type was changed from func(context.Context, *auth.AuthorizationArgs) (*auth.AuthorizationResult, error) to auth.AuthorizationCodeFetcher which is a reusable definition carrying the same underlying function type.
  • auth.AuthorizationCodeHandlerConfig.PreregisteredClientConfig was removed and replaced with auth.AuthorizationCodeHandlerConfig.PreregisteredClient which uses a newly introduced oauthex.ClientCredentials type. The type used previously (auth.PreregisteredClientConfig) has been removed.
  • Deprecated functionality has been removed from both auth and oauthex packages.

Enterprise Managed Authorization support added

Support for Enterprise Managed Authorization has been added to auth/extauth package. Huge thanks to @​radar07 for the implementation!

Note: this support is part of an official MCP extension and is not part of the core protocol. The support of this functionality is not covered by the principles defined in SDK tiers.

Other changes to the SDK

... (truncated)

Commits
  • d3fd25b mcp: use http.ResponseController to ensure writes are flushed (#870)
  • 638d404 all: stabilize client OAuth support (#861)
  • c1a12cf mcp: accept parameterized Accept media types (#853)
  • a1f808c all: modernize code (#868)
  • 74d2751 mcp: return input validation errors as tool results, not JSON-RPC errors (#863)
  • b71a839 all: fix typos (#869)
  • 2d43865 Enterprise managed authorization (#770)
  • 05277f6 oauthex: use internal JSON library for decoding. (#866)
  • 150bca7 mcp: handle empty chunks in MemoryEventStore (#862)
  • 755b9ed mcp: re-enable race test after fixing data races (#851)
  • Additional commits viewable in compare view

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@dependabot
chore(deps): bump github.com/modelcontextprotocol/go-sdk
4a7abb6 
Bumps the go-dependencies group with 1 update: [github.com/modelcontextprotocol/go-sdk](https://github.com/modelcontextprotocol/go-sdk).


Updates `github.com/modelcontextprotocol/go-sdk` from 1.4.1 to 1.5.0
- [Release notes](https://github.com/modelcontextprotocol/go-sdk/releases)
- [Commits](modelcontextprotocol/go-sdk@v1.4.1...v1.5.0)

---
updated-dependencies:
- dependency-name: github.com/modelcontextprotocol/go-sdk
  dependency-version: 1.5.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: go-dependencies
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot bot added dependencies Pull requests that update a dependency file go Pull requests that update go code labels Apr 9, 2026
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