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| og:image:alt | This PR supersedes #762
Context
We are bringing proper OSGi support to the SDK. See #562 , #574.
As part of this effort, we are bringing mcp-json back into mcp-core, see: #612 and #682
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| Conversation | https://github.com/modelcontextprotocol/java-sdk/pull/779 |
| Commits4 (4) | https://github.com/modelcontextprotocol/java-sdk/pull/779/commits |
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| Files changed | https://github.com/modelcontextprotocol/java-sdk/pull/779/files |
| Moves mcp-json API back into mcp-core for simplified dependencies and support of osgi runtimes | https://github.com/modelcontextprotocol/java-sdk/pull/779#top |
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| Feb 11, 2026 | https://github.com/modelcontextprotocol/java-sdk/pull/779#issue-3927228603 |
| Please reload this page | https://github.com/modelcontextprotocol/java-sdk/pull/779 |
| #762 | https://github.com/modelcontextprotocol/java-sdk/pull/762 |
| #562 | https://github.com/modelcontextprotocol/java-sdk/issues/562 |
| #574 | https://github.com/modelcontextprotocol/java-sdk/issues/574 |
| #612 | https://github.com/modelcontextprotocol/java-sdk/issues/612 |
| #682 | https://github.com/modelcontextprotocol/java-sdk/pull/682 |
| Please reload this page | https://github.com/modelcontextprotocol/java-sdk/pull/779 |
| February 11, 2026 16:05 | https://github.com/modelcontextprotocol/java-sdk/pull/779#commits-pushed-d8ea3f0 |
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| Move mcp-json into mcp-core, add OSGi support | https://github.com/modelcontextprotocol/java-sdk/pull/779/commits/d8ea3f06a72f1ff94f3222008bd6cfa64d2b1b26 |
| d8ea3f0 | https://github.com/modelcontextprotocol/java-sdk/pull/779/commits/d8ea3f06a72f1ff94f3222008bd6cfa64d2b1b26 |
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| https://github.com/Kehrlann |
| Move mcp-core integration tests to mcp-test package | https://github.com/modelcontextprotocol/java-sdk/pull/779/commits/28165ae9c085740354ca5e496bdf3a6296986402 |
| 28165ae | https://github.com/modelcontextprotocol/java-sdk/pull/779/commits/28165ae9c085740354ca5e496bdf3a6296986402 |
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| Run integration tests with Jackson 2 in CI | https://github.com/modelcontextprotocol/java-sdk/pull/779/commits/d740686b34e37717377a56b6c209e34959ee7a02 |
| d740686 | https://github.com/modelcontextprotocol/java-sdk/pull/779/commits/d740686b34e37717377a56b6c209e34959ee7a02 |
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| README: update module structure & key decisions with mcp-json removal | https://github.com/modelcontextprotocol/java-sdk/pull/779/commits/aa4a365e5d4e3f81985c283329a98231b96de239 |
| aa4a365 | https://github.com/modelcontextprotocol/java-sdk/pull/779/commits/aa4a365e5d4e3f81985c283329a98231b96de239 |
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Feb 11, 2026
| https://github.com/modelcontextprotocol/java-sdk/pull/779#pullrequestreview-3786203320 |
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View reviewed changes
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| Feb 12, 2026 | https://github.com/modelcontextprotocol/java-sdk/pull/779#event-22726968025 |
| Please reload this page | https://github.com/modelcontextprotocol/java-sdk/pull/779 |
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Feb 12, 2026
| https://github.com/modelcontextprotocol/java-sdk/pull/779#ref-pullrequest-3867945144 |
|
Moves mcp-json API back into mcp-core for simplified dependencies and support of osgi runtimes
#762
| https://github.com/modelcontextprotocol/java-sdk/pull/762 |
| sdeleuze | https://github.com/sdeleuze |
|
Feb 13, 2026
| https://github.com/modelcontextprotocol/java-sdk/pull/779#ref-commit-09b1b01 |
|
| https://github.com/sdeleuze |
| Refine McpJsonDefaults method names | https://github.com/sdeleuze/java-sdk/commit/09b1b01da51ee8f49b2ec29c40a9a75094ed529f |
| 09b1b01 | https://github.com/sdeleuze/java-sdk/commit/09b1b01da51ee8f49b2ec29c40a9a75094ed529f |
| modelcontextprotocol#779 | https://github.com/modelcontextprotocol/java-sdk/pull/779 |
| https://github.com/sdeleuze |
| sdeleuze | https://github.com/sdeleuze |
|
Feb 13, 2026
| https://github.com/modelcontextprotocol/java-sdk/pull/779#ref-pullrequest-3937021704 |
|
Refine McpJsonDefaults method names
#789
| https://github.com/modelcontextprotocol/java-sdk/pull/789 |
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Feb 13, 2026
| https://github.com/modelcontextprotocol/java-sdk/pull/779#ref-commit-e60a074 |
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| https://github.com/sdeleuze |
| Refine | https://github.com/modelcontextprotocol/java-sdk/commit/e60a0743a5a6bdcc807ab4760b205bb28c8379ab |
| McpJsonDefaults | https://github.com/modelcontextprotocol/java-sdk/commit/e60a0743a5a6bdcc807ab4760b205bb28c8379ab |
| method names ( | https://github.com/modelcontextprotocol/java-sdk/commit/e60a0743a5a6bdcc807ab4760b205bb28c8379ab |
| #789 | https://github.com/modelcontextprotocol/java-sdk/pull/789 |
| ) | https://github.com/modelcontextprotocol/java-sdk/commit/e60a0743a5a6bdcc807ab4760b205bb28c8379ab |
| e60a074 | https://github.com/modelcontextprotocol/java-sdk/commit/e60a0743a5a6bdcc807ab4760b205bb28c8379ab |
| #779 | https://github.com/modelcontextprotocol/java-sdk/pull/779 |
| https://github.com/scottslewis |
| scottslewis | https://github.com/scottslewis |
| Feb 14, 2026 | https://github.com/modelcontextprotocol/java-sdk/pull/779#issuecomment-3902732684 |
| #792 | https://github.com/modelcontextprotocol/java-sdk/pull/792 |
| Please reload this page | https://github.com/modelcontextprotocol/java-sdk/pull/779 |
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Feb 21, 2026
| https://github.com/modelcontextprotocol/java-sdk/pull/779#ref-commit-8f29c53 |
|
| https://github.com/cucl2-similis |
| fix: update MCP JSON mapper initialization | https://github.com/cucl2-similis/spring-ai-examples/commit/8f29c536f1538135e375dd967260ecd1e529e415 |
| 8f29c53 | https://github.com/cucl2-similis/spring-ai-examples/commit/8f29c536f1538135e375dd967260ecd1e529e415 |
| modelcontextprotocol/java-sdk#779 | https://github.com/modelcontextprotocol/java-sdk/pull/779 |
| cucl2-similis | https://github.com/cucl2-similis |
|
Feb 21, 2026
| https://github.com/modelcontextprotocol/java-sdk/pull/779#ref-commit-84947bc |
|
| https://github.com/cucl2-similis |
| fix: update MCP JSON mapper initialization | https://github.com/cucl2-similis/spring-ai-examples/commit/84947bc6edf5efd3e08330b4b3ae4eaec2ae9407 |
| 84947bc | https://github.com/cucl2-similis/spring-ai-examples/commit/84947bc6edf5efd3e08330b4b3ae4eaec2ae9407 |
| modelcontextprotocol/java-sdk#779 | https://github.com/modelcontextprotocol/java-sdk/pull/779 |
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| joaodinissf | https://github.com/joaodinissf |
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Apr 8, 2026
| https://github.com/modelcontextprotocol/java-sdk/pull/779#ref-pullrequest-4227410988 |
|
fix: add missing Export-Package to mcp-json-jackson2 and mcp-json-jackson3
#911
| https://github.com/modelcontextprotocol/java-sdk/pull/911 |
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