chore(build): remove openapi generator (#683)

Remove unused OpenAPI Generator plugin, its configuration, and the
`.openapi-generator-ignore` file.

## Breaking Changes
none

## Types of changes
- [ ] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to change)
- [ ] Documentation update

## Checklist
- [x] I have read the [MCP
Documentation](https://modelcontextprotocol.io)
- [x] My code follows the repository's style guidelines
- [x] New and existing tests pass locally
- [ ] I have added appropriate error handling
- [ ] I have added or updated documentation as needed

gradle/libs.versions.toml

@@ -10,7 +10,6 @@ ktlint = "14.2.0"
 knit = "0.5.1"
 mavenPublish = "0.36.0"
 netty = "4.2.12.Final"
-openapi-generator = "7.21.0"
 
 # libraries version
 awaitility = "4.3.0"
@@ -81,4 +80,3 @@ kotlinx-binary-compatibility-validator = { id = "org.jetbrains.kotlinx.binary-co
 kover = { id = "org.jetbrains.kotlinx.kover", version.ref = "kover" }
 ktlint = { id = "org.jlleitschuh.gradle.ktlint", version.ref = "ktlint" }
 knit = { id = "org.jetbrains.kotlinx.knit", version.ref = "knit" }
-openapi-generator = { id = "org.openapi.generator", version.ref = "openapi-generator" }

kotlin-sdk-core/.openapi-generator-ignore

@@ -1,29 +0,0 @@
-# OpenAPI Generator Ignore
-# Generated by openapi-generator https://github.com/openapitools/openapi-generator
-
-# Use this file to prevent files from being overwritten by the generator.
-# The patterns follow closely to .gitignore or .dockerignore.
-
-# As an example, the C# client generator defines ApiClient.cs.
-# You can make changes and tell OpenAPI Generator to ignore just this file by uncommenting the following line:
-**/auth/**
-**/infrastructure/**
-!**/Base64ByteArray.kt
-!**/Bytes.kt
-
-
-## Exclude Models which are causing problems
-**/JSONRPCResponse.kt
-**/Result.kt
-**/ListToolsResult.kt
-**/InitializeRequest.kt
-**/InitializeResult.kt
-**/ServerCapabilities.kt
-**/InitializeRequestParams.kt
-**/CreateMessageRequest.kt
-**/CreateMessageRequestParams.kt
-**/ClientCapabilities.kt
-**/Tool.kt
-**/ToolInputSchema.kt
-**/ToolOutputSchema.kt
-

kotlin-sdk-core/build.gradle.kts

@@ -7,62 +7,6 @@ plugins {
     id("mcp.publishing")
     id("mcp.dokka")
     alias(libs.plugins.kotlinx.binary.compatibility.validator)
-    alias(libs.plugins.openapi.generator)
-}
-
-/*
-tasks.withType<KotlinCompilationTask<*>>().configureEach {
-    dependsOn(tasks.openApiGenerate)
-}
-
-tasks.named("runKtlintCheckOverCommonMainSourceSet") {
-    dependsOn(tasks.openApiGenerate)
-}
-
-// Also ensure it runs before other relevant tasks
-tasks.withType<DokkaGenerateTask>().configureEach {
-    dependsOn(tasks.openApiGenerate)
-}
-
-tasks.withType<Task>().configureEach {
-    if (name.lowercase().contains("sourcesjar")) {
-        dependsOn(tasks.openApiGenerate)
-    }
-}
- */
-
-openApiGenerate {
-    val schemaVersion = "2025-03-26" // or "2025-06-18" or "draft"
-    val schemaUrl =
-//        "https://raw.githubusercontent.com/modelcontextprotocol/modelcontextprotocol/refs/heads/main/schema/$schemaVersion/schema.json"
-        "https://raw.githubusercontent.com/modelcontextprotocol/modelcontextprotocol/refs/tags/$schemaVersion/schema/$schemaVersion/schema.json"
-    generatorName = "kotlin"
-    remoteInputSpec = schemaUrl
-    outputDir = layout.buildDirectory.dir("generated-sources/openapi").get().asFile.absolutePath
-    packageName = "io.modelcontextprotocol.kotlin.sdk.models"
-    modelPackage = "io.modelcontextprotocol.kotlin.sdk.models"
-    apiPackage = "io.modelcontextprotocol.kotlin.sdk.api"
-    generateModelTests = false
-    generateModelDocumentation = false
-    cleanupOutput = false
-    skipValidateSpec = true // do not validate spec
-    library.set("multiplatform")
-    ignoreFileOverride.set("${layout.projectDirectory}/.openapi-generator-ignore")
-    globalProperties.set(
-        mapOf(
-            "supportingFiles" to "",
-            "models" to "", // or generate all models
-        ),
-    )
-    configOptions.set(
-        mapOf(
-            "omitGradleWrapper" to "true",
-            "enumPropertyNaming" to "UPPERCASE",
-            "dateLibrary" to "kotlinx-datetime",
-            "explicitApi" to "true",
-            "modelMutable" to "false",
-        ),
-    )
 }
 
 // Generation library versions