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build(deps): bump io.modelcontextprotocol.sdk:mcp from 0.11.2 to 0.18.4 - #16472

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Bumps io.modelcontextprotocol.sdk:mcp from 0.11.2 to 0.18.4.

Release notes

Sourced from io.modelcontextprotocol.sdk:mcp's releases.

v0.18.4

What's changed

Full Changelog: modelcontextprotocol/java-sdk@v0.18.3...v0.18.4

v0.18.3

What's changed

Fix for GHSA-hv2w-8mjj-jw22

Full Changelog: modelcontextprotocol/java-sdk@v0.18.2...v0.18.3

v0.18.2

What's Changed

Full Changelog: modelcontextprotocol/java-sdk@v0.18.1...v0.18.2

v0.18.1

What's Changed

Full Changelog: modelcontextprotocol/java-sdk@v0.18.0...v0.18.1

v0.18.0

What's Changed

New Contributors

... (truncated)

Changelog

Sourced from io.modelcontextprotocol.sdk:mcp's changelog.

Changelog

All notable changes to the MCP Java SDK are documented in the GitHub Releases, which serve as the canonical, detailed changelog for every version. This file summarizes the release history and the currently maintained release lines.

Versioning follows Semantic Versioning; see https://github.com/modelcontextprotocol/java-sdk/blob/main/VERSIONING.md for the breaking-change policy and https://github.com/modelcontextprotocol/java-sdk/blob/main/SECURITY.md for the supported-versions security policy.

Release lines

Line Latest Spec revision Status
2.0.x 2.0.1 (2026-08-19) 2025-11-25 Active development
1.1.x 1.1.4 (2026-08-19) 2025-06-18 Security patches only
0.18.x 0.18.4 (2026-08-19) 2025-06-18 Security patches only

2.0.1 — 2026-08-19

  • Bound STDIO and HTTP client/server reads to a configurable maximum size

Full notes: v2.0.1 release

2.0.0 — 2026-06-11

First major release since 1.x, tracking the 2025-11-25 MCP specification. Upgrading from 1.x? See the v2 migration guide.

  • New JSON compatibility foundation for forward/backward wire compatibility, with pluggable Jackson 2 / Jackson 3 serialization modules
  • Spec-accurate schema: enforced required fields, lenient wire deserialization
  • End-to-end validation of tool inputs and embedded JSON Schema documents (JSON Schema 2020-12, SEP-1613)
  • Richer elicitation: client-side schema defaults (SEP-1034), URL elicitation (SEP-1036), form-based elicitation schemas
  • Icons and metadata support (SEP-973)
  • Streamable HTTP first: SSE transports deprecated in favor of Streamable HTTP
  • Module restructuring: mcp-core, mcp-json-jackson2, mcp-json-jackson3, mcp-bom

Full notes: v2.0.0 release (preceded by milestones M1, M2, M3, RC1).

1.x

... (truncated)

Commits
  • a710d97 Release version 0.18.4
  • 2e5dbd3 Bound HTTP client reads
  • 8c0fdd1 Bound HTTP server reads
  • 34ee267 Next development version
  • 1021461 Release version 0.18.3
  • 1c05de2 Merge commit from fork
  • b3585c7 Next development version
  • 304650c Release version 0.18.2
  • 02d1f3e Fix assertion in WebFluxSseClientTransportTests
  • d782dc9 Fix assertions in HttpClientSseClientTransportTests
  • Additional commits viewable in compare view

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Bumps [io.modelcontextprotocol.sdk:mcp](https://github.com/modelcontextprotocol/java-sdk) from 0.11.2 to 0.18.4.
- [Release notes](https://github.com/modelcontextprotocol/java-sdk/releases)
- [Changelog](https://github.com/modelcontextprotocol/java-sdk/blob/main/CHANGELOG.md)
- [Commits](modelcontextprotocol/java-sdk@v0.11.2...v0.18.4)

---
updated-dependencies:
- dependency-name: io.modelcontextprotocol.sdk:mcp
  dependency-version: 0.18.4
  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 java Pull requests that update Java code labels Sep 21, 2026
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