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@dependabot dependabot bot commented on behalf of github Nov 7, 2025

Bumps @modelcontextprotocol/sdk from 1.20.1 to 1.21.1.

Release notes

Sourced from @​modelcontextprotocol/sdk's releases.

1.21.1

What's Changed

New Contributors

Full Changelog: modelcontextprotocol/typescript-sdk@1.21.0...1.21.1

1.21.0

What's Changed

New Contributors

Full Changelog: modelcontextprotocol/typescript-sdk@1.20.2...1.21.0

Commits
  • fcc7da8 chore: bump version for release (#1085)
  • 4463737 FIX: use a nightly spec.types.ts (#1087)
  • 11f04e1 Check script which typechecks using Typescripts new Go port (#1075)
  • 9757ace move CLI script to dedicated scripts directory (#1073)
  • ee9fed2 fix: Support WWW-Authenticate scope param for SEP-835 (#983)
  • 2166047 Add @​deprecated annotations to legacy APIs (#1018)
  • 664e66e Only use path-based discovery URLs from the authorization server to discover ...
  • 783d53b chore: bump version to 1.21.0 for release (#1062)
  • 7387c44 Fix: Non-existent tool, disabled tool and inputSchema validation return MCP p...
  • 874aa27 fix: Prefer the token_endpoint_auth_method response from DCR registration ...
  • Additional commits viewable in compare view

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Bumps [@modelcontextprotocol/sdk](https://github.com/modelcontextprotocol/typescript-sdk) from 1.20.1 to 1.21.1.
- [Release notes](https://github.com/modelcontextprotocol/typescript-sdk/releases)
- [Commits](modelcontextprotocol/typescript-sdk@1.20.1...1.21.1)

---
updated-dependencies:
- dependency-name: "@modelcontextprotocol/sdk"
  dependency-version: 1.21.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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@dependabot dependabot bot added dependencies Pull requests that update a dependency file javascript Pull requests that update javascript code labels Nov 7, 2025
@socket-security-staging
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Review the following changes in direct dependencies. Learn more about Socket for GitHub.

Diff Package Supply Chain
Security
Vulnerability Quality Maintenance License
Updatednpm/​@​modelcontextprotocol/​sdk@​1.20.1 ⏵ 1.21.19910010099 +3100

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@socket-security
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Review the following changes in direct dependencies. Learn more about Socket for GitHub.

Diff Package Supply Chain
Security
Vulnerability Quality Maintenance License
Updatednpm/​@​modelcontextprotocol/​sdk@​1.20.1 ⏵ 1.21.1100 +2100100100 +2100

View full report

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