Make agents-mcp support KMP targets

[kpavlov]

Motivation and Context

To make McpTool cross-platform

• KG-380
• Slack thread

Changes

• Moved reusable implementations (e.g., McpToolRegistryProvider, McpTool) to commonMain.
• Updated Gradle configurations to align with Multiplatform support.
• Adjusted platform-specific implementations where necessary.
• Improved test structure using shared test utilities.

Changes

• Moved reusable implementations (e.g., McpToolRegistryProvider, McpTool) to commonMain.
• Updated Gradle configurations to align with Multiplatform support.
• Adjusted platform-specific implementations where necessary.
• Improved test structure using shared test utilities.

Breaking Changes

• McpToolRegistryProvider.defaultStdioTransport is JVM-only and has to be imported (import ai.koog.agents.mcp.defaultStdioTransport)

---

Type of the changes

• [x] New feature (non-breaking change which adds functionality)
• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] Breaking change (fix or feature that would cause existing functionality to change)
• [ ] Documentation update
• [ ] Tests improvement
• [x] Refactoring

Checklist

• [ ] The pull request has a description of the proposed change
• [ ] I read the Contributing Guidelines before opening the pull request
• [ ] The pull request uses develop as the base branch
• [ ] Tests for the changes have been added
• [ ] All new and existing tests passed

Additional steps for pull requests adding a new feature

• [ ] An issue describing the proposed change exists
• [ ] The pull request includes a link to the issue
• [ ] The change was discussed and approved in the issue
• [ ] Docs have been added / updated

[kpavlov]

Project compiles with Kotlin 2.2.0+

[github-actions[bot]]

Qodana for JVM

833 new problems were found

Inspection name	Severity	Problems
Check Kotlin and Java source code coverage	🔶 Warning	792
Missing KDoc for public API declaration	🔶 Warning	25
Vulnerable imported dependency	🔶 Warning	16

@@ Code coverage @@
+ 67% total lines covered
11273 lines analyzed, 7580 lines covered
# Calculated according to the filters of your coverage tool

☁️ View the detailed Qodana report

Contact Qodana team

Contact us at [email protected]

• Or via our issue tracker: https://jb.gg/qodana-issue
• Or share your feedback: https://jb.gg/qodana-discussions

[github-actions[bot]]

Qodana for JVM

870 new problems were found

Inspection name	Severity	Problems
Check Kotlin and Java source code coverage	🔶 Warning	825
Missing KDoc for public API declaration	🔶 Warning	24
Vulnerable imported dependency	🔶 Warning	21

@@ Code coverage @@
+ 67% total lines covered
11681 lines analyzed, 7922 lines covered
# Calculated according to the filters of your coverage tool

☁️ View the detailed Qodana report

Contact Qodana team

Contact us at [email protected]

• Or via our issue tracker: https://jb.gg/qodana-issue
• Or share your feedback: https://jb.gg/qodana-discussions