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Bump ModelContextProtocol and ModelContextProtocol.AspNetCore#959

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Bump ModelContextProtocol and ModelContextProtocol.AspNetCore#959
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dependabot/nuget/multi-13e4386429

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@dependabot dependabot Bot commented on behalf of github Mar 30, 2026 •
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Updated ModelContextProtocol from 1.2.0 to 1.3.0.

Release notes

Sourced from ModelContextProtocol's releases.

1.3.0

v1.3.0 focuses on improved transport diagnostics and security-focused documentation. The new public ClientTransportClosedException gives stdio and HTTP clients structured access to transport closure details (exit codes, process IDs, stderr tails, HTTP status codes) without parsing exception messages. Two reliability fixes harden the stdio process pipeline (preventing host crashes from user StandardErrorLines callbacks) and correct the stateless HTTP transport's capability advertisement. New conceptual documentation covers role/identity propagation in tool execution, allowed-hosts and CORS guidance for HTTP servers, and aligns the docs information architecture with the MCP specification structure.

What's Changed

  • Make ClientTransportClosedException public and unify transport exception handling #​1467 by @​stephentoub (co-authored by @​halter73 @​Copilot)
    • As part of this unification, SSE/HTTP client connection failures from McpClient.CreateAsync(...) now surface as IOException (the new ClientTransportClosedException derives from IOException) rather than InvalidOperationException. Caller-triggered OperationCanceledException is also no longer wrapped, matching standard async cancellation semantics.
  • Fix process crash when testing Stderr #​1449 by @​ericstj (co-authored by @​Copilot)
  • Fix stateless HTTP transport advertising listChanged capability #​1509 by @​jayaraman-venkatesan

Documentation Updates

  • docs: align docs IA with MCP specification structure #​1481 by @​jeffhandley (co-authored by @​mikekistler @​Copilot)
  • Document recommended pattern for role/identity propagation in MCP tool execution #​1497 by @​jeffhandley (co-authored by @​halter73 @​mikekistler @​Copilot)
  • Document and demonstrate allowed hosts and CORS policy guidance #​1554 by @​jeffhandley (co-authored by @​halter73 @​mikekistler @​Copilot)

Test Improvements

  • Fix flaky OutgoingFilter_MultipleFilters_ExecuteInOrder test #​1488 by @​ericstj (co-authored by @​Copilot)

Repository Infrastructure Updates

  • Bump the opentelemetry-testing group with 5 updates #​1478
  • Bump actions/deploy-pages from 4.0.5 to 5.0.0 #​1477
  • Bump actions/download-artifact from 8.0.0 to 8.0.1 #​1437
  • Bump actions/setup-dotnet from 5.1.0 to 5.2.0 #​1418
  • Bump actions/setup-node from 6.2.0 to 6.3.0 #​1419
  • Bump the testing-frameworks group with 1 update #​1459
  • Bump the npm_and_yarn group across 1 directory with 2 updates #​1410
  • Switch to custom CodeQL workflow #​1489 by @​jeffhandley
  • Block Release Publishing workflow from automatically running on forks #​1450 by @​jeffhandley (co-authored by @​Copilot)
  • Bump actions/checkout from 4 to 6 #​1504
  • Add testing guidelines, update copilot instructions for tests #​1507 by @​ericstj
  • Bump OpenTelemetry and 3 others #​1514
  • Bump the opentelemetry-testing group with 6 updates #​1533
  • Bump actions/setup-node from 6.3.0 to 6.4.0 #​1522
  • Bump actions/upload-pages-artifact from 4.0.0 to 5.0.0 #​1511
  • Bump the npm_and_yarn group across 1 directory with 5 updates #​1500
  • Bump Anthropic from 12.9.0 to 12.11.0 #​1506
  • Bump actions/upload-artifact from 7.0.0 to 7.0.1 #​1512
  • Bump danielpalme/ReportGenerator-GitHub-Action from 5.5.4 to 5.5.5 #​1521
  • Bump the testing-frameworks group with 2 updates #​1523
  • Bump the other-testing group with 2 updates #​1534
  • Bump Microsoft.Extensions.AI from 10.4.1 to 10.5.0 #​1525
  • Remove extraneous labels from dependabot.yml #​1535 by @​mikekistler
  • Bump Anthropic from 12.11.0 to 12.17.0 #​1544
  • Fix dev container configuration to work in codespaces #​1555 by @​mikekistler
  • Bump Microsoft.NET.Test.Sdk from 18.4.0 to 18.5.1 #​1543
  • Bump the npm_and_yarn group across 1 directory with 3 updates #​1565
  • Bump Microsoft.Extensions.AI.Abstractions from 10.5.0 to 10.5.2 #​1561

... (truncated)

Commits viewable in compare view.

Updated ModelContextProtocol.AspNetCore from 1.2.0 to 1.3.0.

Release notes

Sourced from ModelContextProtocol.AspNetCore's releases.

1.3.0

v1.3.0 focuses on improved transport diagnostics and security-focused documentation. The new public ClientTransportClosedException gives stdio and HTTP clients structured access to transport closure details (exit codes, process IDs, stderr tails, HTTP status codes) without parsing exception messages. Two reliability fixes harden the stdio process pipeline (preventing host crashes from user StandardErrorLines callbacks) and correct the stateless HTTP transport's capability advertisement. New conceptual documentation covers role/identity propagation in tool execution, allowed-hosts and CORS guidance for HTTP servers, and aligns the docs information architecture with the MCP specification structure.

What's Changed

  • Make ClientTransportClosedException public and unify transport exception handling #​1467 by @​stephentoub (co-authored by @​halter73 @​Copilot)
    • As part of this unification, SSE/HTTP client connection failures from McpClient.CreateAsync(...) now surface as IOException (the new ClientTransportClosedException derives from IOException) rather than InvalidOperationException. Caller-triggered OperationCanceledException is also no longer wrapped, matching standard async cancellation semantics.
  • Fix process crash when testing Stderr #​1449 by @​ericstj (co-authored by @​Copilot)
  • Fix stateless HTTP transport advertising listChanged capability #​1509 by @​jayaraman-venkatesan

Documentation Updates

  • docs: align docs IA with MCP specification structure #​1481 by @​jeffhandley (co-authored by @​mikekistler @​Copilot)
  • Document recommended pattern for role/identity propagation in MCP tool execution #​1497 by @​jeffhandley (co-authored by @​halter73 @​mikekistler @​Copilot)
  • Document and demonstrate allowed hosts and CORS policy guidance #​1554 by @​jeffhandley (co-authored by @​halter73 @​mikekistler @​Copilot)

Test Improvements

  • Fix flaky OutgoingFilter_MultipleFilters_ExecuteInOrder test #​1488 by @​ericstj (co-authored by @​Copilot)

Repository Infrastructure Updates

  • Bump the opentelemetry-testing group with 5 updates #​1478
  • Bump actions/deploy-pages from 4.0.5 to 5.0.0 #​1477
  • Bump actions/download-artifact from 8.0.0 to 8.0.1 #​1437
  • Bump actions/setup-dotnet from 5.1.0 to 5.2.0 #​1418
  • Bump actions/setup-node from 6.2.0 to 6.3.0 #​1419
  • Bump the testing-frameworks group with 1 update #​1459
  • Bump the npm_and_yarn group across 1 directory with 2 updates #​1410
  • Switch to custom CodeQL workflow #​1489 by @​jeffhandley
  • Block Release Publishing workflow from automatically running on forks #​1450 by @​jeffhandley (co-authored by @​Copilot)
  • Bump actions/checkout from 4 to 6 #​1504
  • Add testing guidelines, update copilot instructions for tests #​1507 by @​ericstj
  • Bump OpenTelemetry and 3 others #​1514
  • Bump the opentelemetry-testing group with 6 updates #​1533
  • Bump actions/setup-node from 6.3.0 to 6.4.0 #​1522
  • Bump actions/upload-pages-artifact from 4.0.0 to 5.0.0 #​1511
  • Bump the npm_and_yarn group across 1 directory with 5 updates #​1500
  • Bump Anthropic from 12.9.0 to 12.11.0 #​1506
  • Bump actions/upload-artifact from 7.0.0 to 7.0.1 #​1512
  • Bump danielpalme/ReportGenerator-GitHub-Action from 5.5.4 to 5.5.5 #​1521
  • Bump the testing-frameworks group with 2 updates #​1523
  • Bump the other-testing group with 2 updates #​1534
  • Bump Microsoft.Extensions.AI from 10.4.1 to 10.5.0 #​1525
  • Remove extraneous labels from dependabot.yml #​1535 by @​mikekistler
  • Bump Anthropic from 12.11.0 to 12.17.0 #​1544
  • Fix dev container configuration to work in codespaces #​1555 by @​mikekistler
  • Bump Microsoft.NET.Test.Sdk from 18.4.0 to 18.5.1 #​1543
  • Bump the npm_and_yarn group across 1 directory with 3 updates #​1565
  • Bump Microsoft.Extensions.AI.Abstractions from 10.5.0 to 10.5.2 #​1561

... (truncated)

Commits viewable in compare view.

@dependabot dependabot Bot added .NET Pull requests that update .net code dependencies Pull requests that update a dependency file labels Mar 30, 2026
This was referenced Mar 30, 2026
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@intellitect-bot intellitect-bot enabled auto-merge (squash) March 30, 2026 11:49
@dependabot dependabot Bot force-pushed the dependabot/nuget/multi-13e4386429 branch from d22b4d5 to f4048bd Compare April 3, 2026 11:18
@BenjaminMichaelis
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BenjaminMichaelis commented Apr 17, 2026

@dependabot recreate

@dependabot dependabot Bot force-pushed the dependabot/nuget/multi-13e4386429 branch from f4048bd to 326fb08 Compare April 17, 2026 04:58
@dependabot dependabot Bot force-pushed the dependabot/nuget/multi-13e4386429 branch from 326fb08 to 8024792 Compare April 17, 2026 14:49
@dependabot dependabot Bot force-pushed the dependabot/nuget/multi-13e4386429 branch from 8024792 to 6635a94 Compare April 21, 2026 11:22
@dependabot dependabot Bot force-pushed the dependabot/nuget/multi-13e4386429 branch from 6635a94 to cfa6a0f Compare April 25, 2026 00:20
@dependabot
Bump ModelContextProtocol and ModelContextProtocol.AspNetCore
bd78c61 
Bumps ModelContextProtocol from 0.3.0-preview.4 to 1.2.0
Bumps ModelContextProtocol.AspNetCore from 0.3.0-preview.4 to 1.2.0

---
updated-dependencies:
- dependency-name: ModelContextProtocol
  dependency-version: 1.2.0
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: ModelContextProtocol.AspNetCore
  dependency-version: 1.2.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot Bot force-pushed the dependabot/nuget/multi-13e4386429 branch from cfa6a0f to bd78c61 Compare April 25, 2026 17:16
@BenjaminMichaelis
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BenjaminMichaelis commented May 13, 2026

@dependabot recreate

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dependabot Bot commented on behalf of github May 13, 2026

Looks like these dependencies are updatable in another way, so this is no longer needed.

@dependabot dependabot Bot closed this May 13, 2026
auto-merge was automatically disabled May 13, 2026 09:49

Pull request was closed

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