diff --git a/panel-core/src/main/kotlin/com/redmadrobot/debug/core/DebugEvent.kt b/panel-core/src/main/kotlin/com/redmadrobot/debug/core/DebugEvent.kt
index 38b7cb61..e3d9df2e 100644
--- a/panel-core/src/main/kotlin/com/redmadrobot/debug/core/DebugEvent.kt
+++ b/panel-core/src/main/kotlin/com/redmadrobot/debug/core/DebugEvent.kt
@@ -1,3 +1,17 @@
 package com.redmadrobot.debug.core
 
+/**
+ * Marker interface for events emitted by plugins.
+ *
+ * Plugins send events via [com.redmadrobot.debug.core.plugin.Plugin.pushEvent],
+ * consumers subscribe via [DebugPanel.subscribeToEvents] or [DebugPanel.observeEvents].
+ *
+ * Example:
+ * ```
+ * data class ServerSelectedEvent(val server: DebugServer) : DebugEvent
+ * ```
+ *
+ * @see com.redmadrobot.debug.core.plugin.Plugin.pushEvent
+ * @see DebugPanel.observeEvents
+ */
 public interface DebugEvent
diff --git a/panel-core/src/main/kotlin/com/redmadrobot/debug/core/DebugPanel.kt b/panel-core/src/main/kotlin/com/redmadrobot/debug/core/DebugPanel.kt
index b659fdfe..7aa98903 100644
--- a/panel-core/src/main/kotlin/com/redmadrobot/debug/core/DebugPanel.kt
+++ b/panel-core/src/main/kotlin/com/redmadrobot/debug/core/DebugPanel.kt
@@ -12,13 +12,41 @@ import com.redmadrobot.debug.core.util.ApplicationLifecycleHandler
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.emptyFlow
 
+/**
+ * Main entry point for working with the debug panel.
+ *
+ * Before use, [initialize] must be called in [Application.onCreate].
+ *
+ * Initialization example:
+ * ```
+ * DebugPanel.initialize(
+ *     application = this,
+ *     plugins = listOf(
+ *         ServersPlugin(preInstalledServers),
+ *         KonfeaturePlugin(interceptor, konfeature),
+ *     )
+ * )
+ * ```
+ *
+ * @see Plugin
+ */
 @OptIn(DebugPanelInternal::class)
 public object DebugPanel {
     @Volatile
     private var instance: DebugPanelInstance? = null
+
+    /** Returns `true` if the panel has been initialized via [initialize]. */
     public val isInitialized: Boolean
         get() = instance != null
 
+    /**
+     * Initializes the debug panel with the provided set of plugins.
+     *
+     * Must be called **once** in [Application.onCreate].
+     *
+     * @param application the [Application] instance
+     * @param plugins list of plugins to be displayed in the panel
+     */
     public fun initialize(
         application: Application,
         plugins: List<Plugin>,
@@ -27,14 +55,32 @@ public object DebugPanel {
         ApplicationLifecycleHandler(application).start()
     }
 
+    /**
+     * Subscribes to plugin events with lifecycle binding.
+     *
+     * @param lifecycleOwner lifecycle owner (Activity, Fragment)
+     * @param onEvent callback invoked when an event is received
+     */
     public fun subscribeToEvents(lifecycleOwner: LifecycleOwner, onEvent: (DebugEvent) -> Unit) {
         instance?.getEventLiveData()?.observe(lifecycleOwner, Observer { onEvent.invoke(it) })
     }
 
+    /**
+     * Returns a [Flow] of events from plugins.
+     *
+     * If the panel is not initialized, returns an empty Flow.
+     */
     public fun observeEvents(): Flow<DebugEvent> {
         return instance?.getEventFlow() ?: emptyFlow()
     }
 
+    /**
+     * Opens the Activity containing the debug panel.
+     *
+     * Does nothing if the panel has not been initialized.
+     *
+     * @param activity the Activity from which the panel will be launched
+     */
     public fun showPanel(activity: Activity) {
         if (isInitialized) {
             openDebugPanel(activity)
diff --git a/panel-core/src/main/kotlin/com/redmadrobot/debug/core/annotation/DebugPanelInternal.kt b/panel-core/src/main/kotlin/com/redmadrobot/debug/core/annotation/DebugPanelInternal.kt
index 1a34aa25..ec6a654a 100644
--- a/panel-core/src/main/kotlin/com/redmadrobot/debug/core/annotation/DebugPanelInternal.kt
+++ b/panel-core/src/main/kotlin/com/redmadrobot/debug/core/annotation/DebugPanelInternal.kt
@@ -1,5 +1,12 @@
 package com.redmadrobot.debug.core.annotation
 
+/**
+ * Marks an API as internal to the debug panel.
+ *
+ * Entities with this annotation are intended for use only within the library's modules and may change without notice.
+ *
+ * Using a marked API outside the library will produce a compilation error.
+ */
 @RequiresOptIn(
     level = RequiresOptIn.Level.ERROR,
     message = "This is an internal part of DebugPanel. You shouldn't use it, cause it can be changed in future"
diff --git a/panel-core/src/main/kotlin/com/redmadrobot/debug/core/data/DebugDataProvider.kt b/panel-core/src/main/kotlin/com/redmadrobot/debug/core/data/DebugDataProvider.kt
index 080f503f..a41e5315 100644
--- a/panel-core/src/main/kotlin/com/redmadrobot/debug/core/data/DebugDataProvider.kt
+++ b/panel-core/src/main/kotlin/com/redmadrobot/debug/core/data/DebugDataProvider.kt
@@ -1,5 +1,22 @@
 package com.redmadrobot.debug.core.data
 
+/**
+ * Functional interface for lazy data supply to plugins.
+ *
+ * Allows passing data into a plugin through a provider rather than directly,
+ * which is useful when data is produced lazily.
+ *
+ * Example usage with [com.redmadrobot.debug.plugin.servers.ServersPlugin]:
+ * ```
+ * val provider = DebugDataProvider<List<DebugServer>> {
+ *     listOf(DebugServer("Prod", "https://api.example.com", isDefault = true))
+ * }
+ * ServersPlugin(preInstalledServers = provider)
+ * ```
+ *
+ * @param T type of provided data
+ */
 public interface DebugDataProvider<T> {
+    /** Returns data of type [T]. */
     public fun provideData(): T
 }
diff --git a/panel-core/src/main/kotlin/com/redmadrobot/debug/core/extension/CoroutinesExtension.kt b/panel-core/src/main/kotlin/com/redmadrobot/debug/core/extension/CoroutinesExtension.kt
index 3c6d9b6f..e6f44678 100644
--- a/panel-core/src/main/kotlin/com/redmadrobot/debug/core/extension/CoroutinesExtension.kt
+++ b/panel-core/src/main/kotlin/com/redmadrobot/debug/core/extension/CoroutinesExtension.kt
@@ -6,8 +6,13 @@ import kotlinx.coroutines.launch
 import timber.log.Timber
 
 /**
- * Запуск корутины с встроенной обработкой ошибки
- * */
+ * Launches a coroutine with error handling.
+ *
+ * Catches all exceptions except [CancellationException], logs them via Timber.
+ *
+ * @param block suspend block to execute
+ * @param onError callback invoked when an error occurs
+ */
 @Suppress("TooGenericExceptionCaught")
 public fun CoroutineScope.safeLaunch(
     block: suspend CoroutineScope.() -> Unit,
@@ -26,8 +31,13 @@ public fun CoroutineScope.safeLaunch(
 }
 
 /**
- * Запуск корутины с встроенным логированием ошибки
- * */
+ * Launches a coroutine with error logging.
+ *
+ * Equivalent to [safeLaunch] with an empty error handler --
+ * exceptions are only logged via Timber.
+ *
+ * @param block suspend block to execute
+ */
 public fun CoroutineScope.safeLaunch(
     block: suspend CoroutineScope.() -> Unit
 ) {
diff --git a/panel-core/src/main/kotlin/com/redmadrobot/debug/core/extension/PluginsExt.kt b/panel-core/src/main/kotlin/com/redmadrobot/debug/core/extension/PluginsExt.kt
index 6d95bcd3..6813a387 100644
--- a/panel-core/src/main/kotlin/com/redmadrobot/debug/core/extension/PluginsExt.kt
+++ b/panel-core/src/main/kotlin/com/redmadrobot/debug/core/extension/PluginsExt.kt
@@ -14,6 +14,12 @@ internal fun getAllPlugins(): List<Plugin> {
     return DebugPanel.getInstance()?.getPluginManager()?.plugins ?: emptyList()
 }
 
+/**
+ * Returns the registered plugin of the specified type.
+ *
+ * @throws IllegalArgumentException if the plugin is not found in the registry
+ * @see DebugPanel
+ */
 @DebugPanelInternal
 public inline fun <reified T : Plugin> getPlugin(): T {
     val plugin = getPlugin(T::class.java.name)
diff --git a/panel-core/src/main/kotlin/com/redmadrobot/debug/core/internal/CommonContainer.kt b/panel-core/src/main/kotlin/com/redmadrobot/debug/core/internal/CommonContainer.kt
index 8de611e1..cf74980c 100644
--- a/panel-core/src/main/kotlin/com/redmadrobot/debug/core/internal/CommonContainer.kt
+++ b/panel-core/src/main/kotlin/com/redmadrobot/debug/core/internal/CommonContainer.kt
@@ -3,5 +3,13 @@ package com.redmadrobot.debug.core.internal
 import android.content.Context
 import com.redmadrobot.debug.core.annotation.DebugPanelInternal
 
+/**
+ * Container with shared dependencies, available to all plugins.
+ *
+ * Passed into [com.redmadrobot.debug.core.plugin.Plugin.getPluginContainer]
+ * when a plugin is initialized.
+ *
+ * @property context application context
+ */
 @DebugPanelInternal
 public class CommonContainer(public val context: Context) : PluginDependencyContainer
diff --git a/panel-core/src/main/kotlin/com/redmadrobot/debug/core/internal/EditablePlugin.kt b/panel-core/src/main/kotlin/com/redmadrobot/debug/core/internal/EditablePlugin.kt
index ef09c048..99e9dbae 100644
--- a/panel-core/src/main/kotlin/com/redmadrobot/debug/core/internal/EditablePlugin.kt
+++ b/panel-core/src/main/kotlin/com/redmadrobot/debug/core/internal/EditablePlugin.kt
@@ -4,10 +4,18 @@ import androidx.compose.runtime.Composable
 import com.redmadrobot.debug.core.annotation.DebugPanelInternal
 
 /**
- * Plugin that will be displayed when opening the settings
+ * Interface for plugins providing a settings screen.
+ *
+ * A plugin implementing this interface will be displayed
+ * in the settings section of the debug panel.
+ *
+ * @see com.redmadrobot.debug.plugin.servers.ServersPlugin -- example implementation
  */
 @DebugPanelInternal
 public interface EditablePlugin {
+    /**
+     * Composable function rendering the plugin's settings UI.
+     */
     @Suppress("TopLevelComposableFunctions", "ComposableFunctionName")
     @Composable
     public fun settingsContent() {
diff --git a/panel-core/src/main/kotlin/com/redmadrobot/debug/core/internal/PluginDependencyContainer.kt b/panel-core/src/main/kotlin/com/redmadrobot/debug/core/internal/PluginDependencyContainer.kt
index 05d32966..4a6072a0 100644
--- a/panel-core/src/main/kotlin/com/redmadrobot/debug/core/internal/PluginDependencyContainer.kt
+++ b/panel-core/src/main/kotlin/com/redmadrobot/debug/core/internal/PluginDependencyContainer.kt
@@ -2,5 +2,13 @@ package com.redmadrobot.debug.core.internal
 
 import com.redmadrobot.debug.core.annotation.DebugPanelInternal
 
+/**
+ * Marker interface for plugin dependency containers.
+ *
+ * Each plugin implements its own container, extending this interface, to hold repositories, interactors, and other dependencies.
+ *
+ * @see com.redmadrobot.debug.core.plugin.Plugin.getPluginContainer
+ * @see CommonContainer
+ */
 @DebugPanelInternal
 public interface PluginDependencyContainer
diff --git a/panel-core/src/main/kotlin/com/redmadrobot/debug/core/plugin/Plugin.kt b/panel-core/src/main/kotlin/com/redmadrobot/debug/core/plugin/Plugin.kt
index a8494c92..9375f643 100644
--- a/panel-core/src/main/kotlin/com/redmadrobot/debug/core/plugin/Plugin.kt
+++ b/panel-core/src/main/kotlin/com/redmadrobot/debug/core/plugin/Plugin.kt
@@ -6,6 +6,18 @@ import com.redmadrobot.debug.core.DebugPanel
 import com.redmadrobot.debug.core.internal.CommonContainer
 import com.redmadrobot.debug.core.internal.PluginDependencyContainer
 
+/**
+ * Base class for all debug panel plugins.
+ *
+ * Each plugin is an isolated module with its own UI and dependencies.
+ * To create a plugin, you need to:
+ * 1. Extend [Plugin]
+ * 2. Implement [getName] and [getPluginContainer]
+ * 3. Override [content] to render the UI
+ *
+ * @see DebugPanel.initialize
+ * @see PluginDependencyContainer
+ */
 public abstract class Plugin {
     private lateinit var pluginContainer: PluginDependencyContainer
 
@@ -14,18 +26,46 @@ public abstract class Plugin {
         return this
     }
 
+    /**
+     * Sends an event to the debug panel's shared event bus.
+     *
+     * Subscribers will receive the event via [DebugPanel.subscribeToEvents] or [DebugPanel.observeEvents].
+     *
+     * @param debugEvent event to send
+     */
     public fun pushEvent(debugEvent: DebugEvent) {
         DebugPanel.getInstance()?.pushEvent(debugEvent)
     }
 
+    /**
+     * Returns the plugin's dependency container, cast to type [T].
+     *
+     * @throws ClassCastException if the container does not match the requested type
+     */
     public fun <T> getContainer(): T = pluginContainer as T
 
+    /**
+     * Composable function that renders the plugin's main UI in the debug panel.
+     */
     @Suppress("TopLevelComposableFunctions", "ComposableFunctionName")
     @Composable
     public open fun content() {
     }
 
+    /**
+     * Creates and returns the plugin's dependency container.
+     *
+     * Called during plugin initialization. Use [commonContainer] to access shared dependencies (e.g., [android.content.Context]).
+     *
+     * @param commonContainer container with the panel's shared dependencies
+     * @return the dependency container for this plugin
+     */
     public abstract fun getPluginContainer(commonContainer: CommonContainer): PluginDependencyContainer
 
+    /**
+     * Returns the plugin's unique name.
+     *
+     * Used to identify the plugin in the registry.
+     */
     public abstract fun getName(): String
 }
diff --git a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/DebugDataProvider.kt b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/DebugDataProvider.kt
index 080f503f..a7064c00 100644
--- a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/DebugDataProvider.kt
+++ b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/DebugDataProvider.kt
@@ -1,5 +1,8 @@
 package com.redmadrobot.debug.core.data
 
+/**
+ * No-op declaration of [DebugDataProvider] for release builds.
+ */
 public interface DebugDataProvider<T> {
     public fun provideData(): T
 }
diff --git a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/core/DebugEvent.kt b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/core/DebugEvent.kt
index f4057a00..6ab28c18 100644
--- a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/core/DebugEvent.kt
+++ b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/core/DebugEvent.kt
@@ -1,3 +1,6 @@
 package com.redmadrobot.debug.core.internal
 
+/**
+ * No-op declaration of [DebugEvent] for release builds.
+ */
 public interface DebugEvent
diff --git a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/core/DebugPanel.kt b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/core/DebugPanel.kt
index 1390d573..7562bfee 100644
--- a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/core/DebugPanel.kt
+++ b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/core/DebugPanel.kt
@@ -8,6 +8,11 @@ import com.redmadrobot.debug.core.internal.DebugEvent
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.emptyFlow
 
+/**
+ * No-op implementation of [DebugPanel] for release builds.
+ *
+ * All methods are empty stubs and perform no actions.
+ */
 @Suppress("UnusedParameter", "OptionalUnit")
 public object DebugPanel {
     public fun initialize(application: Application, plugins: List<Any>): Unit = Unit
diff --git a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/aboutapp/AboutAppInfo.kt b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/aboutapp/AboutAppInfo.kt
index 819dc408..d20a0c9c 100644
--- a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/aboutapp/AboutAppInfo.kt
+++ b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/aboutapp/AboutAppInfo.kt
@@ -1,5 +1,8 @@
 package com.redmadrobot.debug.plugin.aboutapp
 
+/**
+ * No-op declaration of [AboutAppInfo] for release builds.
+ */
 public data class AboutAppInfo(
     val title: String,
     val value: String
diff --git a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/aboutapp/AboutAppPlugin.kt b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/aboutapp/AboutAppPlugin.kt
index 12a446fc..2f7671bc 100644
--- a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/aboutapp/AboutAppPlugin.kt
+++ b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/aboutapp/AboutAppPlugin.kt
@@ -1,5 +1,10 @@
 package com.redmadrobot.debug.plugin.aboutapp
 
+/**
+ * No-op implementation of [AboutAppPlugin] for release builds.
+ *
+ * Performs no actions; only mirrors the public constructor signature.
+ */
 @Suppress("UnusedPrivateProperty")
 public class AboutAppPlugin(
     private val appInfoList: List<AboutAppInfo>
diff --git a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/konfeature/KonfeatureDebugPanelInterceptor.kt b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/konfeature/KonfeatureDebugPanelInterceptor.kt
index ae2fd343..34e46a23 100644
--- a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/konfeature/KonfeatureDebugPanelInterceptor.kt
+++ b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/konfeature/KonfeatureDebugPanelInterceptor.kt
@@ -4,6 +4,11 @@ import android.content.Context
 import com.redmadrobot.konfeature.source.FeatureValueSource
 import com.redmadrobot.konfeature.source.Interceptor
 
+/**
+ * No-op implementation of [KonfeatureDebugPanelInterceptor] for release builds.
+ *
+ * [intercept] always returns `null`, so no flag overrides are applied.
+ */
 @Suppress("UnusedPrivateProperty")
 public class KonfeatureDebugPanelInterceptor(context: Context) : Interceptor {
     override val name: String = "NoopDebugPanelInterceptor"
diff --git a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/konfeature/KonfeaturePlugin.kt b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/konfeature/KonfeaturePlugin.kt
index b1dc8daa..0736427b 100644
--- a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/konfeature/KonfeaturePlugin.kt
+++ b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/konfeature/KonfeaturePlugin.kt
@@ -2,6 +2,11 @@ package com.redmadrobot.debug.plugin.konfeature
 
 import com.redmadrobot.konfeature.Konfeature
 
+/**
+ * No-op implementation of [KonfeaturePlugin] for release builds.
+ *
+ * Performs no actions; only mirrors the public constructor signature.
+ */
 @Suppress("UnusedPrivateProperty")
 public class KonfeaturePlugin(
     private val debugPanelInterceptor: KonfeatureDebugPanelInterceptor,
diff --git a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/servers/DebugServer.kt b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/servers/DebugServer.kt
index 13c3b3d7..dce7dad5 100644
--- a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/servers/DebugServer.kt
+++ b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/servers/DebugServer.kt
@@ -1,5 +1,8 @@
 package com.redmadrobot.debug.plugin.servers.data.model
 
+/**
+ * No-op declaration of [DebugServer] for release builds.
+ */
 public data class DebugServer(
     val name: String,
     val url: String,
diff --git a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/servers/ServerSelectedEvent.kt b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/servers/ServerSelectedEvent.kt
index a7860da9..344eb79b 100644
--- a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/servers/ServerSelectedEvent.kt
+++ b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/servers/ServerSelectedEvent.kt
@@ -3,4 +3,7 @@ package com.redmadrobot.debug.plugin.servers
 import com.redmadrobot.debug.core.internal.DebugEvent
 import com.redmadrobot.debug.plugin.servers.data.model.DebugServer
 
+/**
+ * No-op declaration of [ServerSelectedEvent] for release builds.
+ */
 public data class ServerSelectedEvent(val debugServer: DebugServer) : DebugEvent
diff --git a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/servers/ServersPlugin.kt b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/servers/ServersPlugin.kt
index 5fec7820..084d92ef 100644
--- a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/servers/ServersPlugin.kt
+++ b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/servers/ServersPlugin.kt
@@ -4,6 +4,11 @@ import com.redmadrobot.debug.core.data.DebugDataProvider
 import com.redmadrobot.debug.plugin.servers.data.model.DebugServer
 import java.util.Collections.emptyList
 
+/**
+ * No-op implementation of [ServersPlugin] for release builds.
+ *
+ * Performs no actions; only mirrors the public constructor signatures.
+ */
 public class ServersPlugin(
     private val preInstalledServers: List<Any> = emptyList()
 ) {
diff --git a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/servers/interceptor/DebugServerInterceptor.kt b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/servers/interceptor/DebugServerInterceptor.kt
index d8ca1182..815d174a 100644
--- a/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/servers/interceptor/DebugServerInterceptor.kt
+++ b/panel-no-op/src/main/kotlin/com/redmadrobot/debug/noop/plugin/servers/interceptor/DebugServerInterceptor.kt
@@ -5,6 +5,11 @@ import okhttp3.Interceptor
 import okhttp3.Request
 import okhttp3.Response
 
+/**
+ * No-op implementation of [DebugServerInterceptor] for release builds.
+ *
+ * Passes every request through unchanged.
+ */
 public class DebugServerInterceptor : Interceptor {
     @Suppress("UnusedParameter")
     public fun modifyRequest(block: (Request, DebugServer) -> Request): DebugServerInterceptor {
diff --git a/plugins/plugin-about-app/src/main/kotlin/com/redmadrobot/debug/plugin/aboutapp/AboutAppPlugin.kt b/plugins/plugin-about-app/src/main/kotlin/com/redmadrobot/debug/plugin/aboutapp/AboutAppPlugin.kt
index 3b5b0e9d..4e1aa4a9 100644
--- a/plugins/plugin-about-app/src/main/kotlin/com/redmadrobot/debug/plugin/aboutapp/AboutAppPlugin.kt
+++ b/plugins/plugin-about-app/src/main/kotlin/com/redmadrobot/debug/plugin/aboutapp/AboutAppPlugin.kt
@@ -7,6 +7,18 @@ import com.redmadrobot.debug.core.plugin.Plugin
 import com.redmadrobot.debug.plugin.aboutapp.model.AboutAppInfo
 import com.redmadrobot.debug.plugin.aboutapp.ui.AboutAppScreen
 
+/**
+ * Plugin that displays information about the application in the debug panel.
+ *
+ * Accepts an arbitrary list of "title -- value" pairs
+ * which will be shown as a list.
+ *
+ * @param appInfoList list of information entries to display.
+ *   Must contain at least one element.
+ * @throws IllegalStateException if [appInfoList] is empty
+ *
+ * @see AboutAppInfo
+ */
 public class AboutAppPlugin(
     private val appInfoList: List<AboutAppInfo>
 ) : Plugin() {
diff --git a/plugins/plugin-about-app/src/main/kotlin/com/redmadrobot/debug/plugin/aboutapp/model/AboutAppInfo.kt b/plugins/plugin-about-app/src/main/kotlin/com/redmadrobot/debug/plugin/aboutapp/model/AboutAppInfo.kt
index dfee542f..ff8d84c3 100644
--- a/plugins/plugin-about-app/src/main/kotlin/com/redmadrobot/debug/plugin/aboutapp/model/AboutAppInfo.kt
+++ b/plugins/plugin-about-app/src/main/kotlin/com/redmadrobot/debug/plugin/aboutapp/model/AboutAppInfo.kt
@@ -2,6 +2,12 @@ package com.redmadrobot.debug.plugin.aboutapp.model
 
 import java.util.UUID
 
+/**
+ * Information entry for [com.redmadrobot.debug.plugin.aboutapp.AboutAppPlugin].
+ *
+ * @property title parameter name (e.g., "Version", "Build type")
+ * @property value parameter value (e.g., "1.2.3", "debug")
+ */
 public data class AboutAppInfo(
     val title: String,
     val value: String,
diff --git a/plugins/plugin-konfeature/src/main/kotlin/com/redmadrobot/debug/plugin/konfeature/KonfeatureDebugPanelInterceptor.kt b/plugins/plugin-konfeature/src/main/kotlin/com/redmadrobot/debug/plugin/konfeature/KonfeatureDebugPanelInterceptor.kt
index 50904f87..27057085 100644
--- a/plugins/plugin-konfeature/src/main/kotlin/com/redmadrobot/debug/plugin/konfeature/KonfeatureDebugPanelInterceptor.kt
+++ b/plugins/plugin-konfeature/src/main/kotlin/com/redmadrobot/debug/plugin/konfeature/KonfeatureDebugPanelInterceptor.kt
@@ -18,6 +18,27 @@ import kotlinx.coroutines.sync.withLock
 import org.json.JSONObject
 import timber.log.Timber
 
+/**
+ * [Interceptor] for Konfeature that allows overriding feature flag values through the debug panel.
+ *
+ * Overridden values are stored in SharedPreferences and applied each time a flag is read through Konfeature.
+ *
+ * Must be passed to the [KonfeaturePlugin] constructor and also registered in Konfeature during its configuration.
+ *
+ * Example:
+ * ```
+ * val interceptor = KonfeatureDebugPanelInterceptor(context)
+ *
+ * val konfeature = konfeature {
+ *     addInterceptor(interceptor)
+ *     // ...
+ * }
+ *
+ * KonfeaturePlugin(interceptor, konfeature)
+ * ```
+ *
+ * @param context context for accessing SharedPreferences
+ */
 public class KonfeatureDebugPanelInterceptor(context: Context) : Interceptor {
     private val preferences by lazy {
         context.getSharedPreferences(FILE_NAME, Context.MODE_PRIVATE)
diff --git a/plugins/plugin-konfeature/src/main/kotlin/com/redmadrobot/debug/plugin/konfeature/KonfeaturePlugin.kt b/plugins/plugin-konfeature/src/main/kotlin/com/redmadrobot/debug/plugin/konfeature/KonfeaturePlugin.kt
index 5cb65c13..3987ea54 100644
--- a/plugins/plugin-konfeature/src/main/kotlin/com/redmadrobot/debug/plugin/konfeature/KonfeaturePlugin.kt
+++ b/plugins/plugin-konfeature/src/main/kotlin/com/redmadrobot/debug/plugin/konfeature/KonfeaturePlugin.kt
@@ -7,6 +7,17 @@ import com.redmadrobot.debug.core.plugin.Plugin
 import com.redmadrobot.debug.plugin.konfeature.ui.KonfeatureScreen
 import com.redmadrobot.konfeature.Konfeature
 
+/**
+ * Plugin for viewing and overriding feature flags from the Konfeature library.
+ *
+ * Allows changing feature flag values at runtime without rebuilding the app.
+ * Overridden values are stored in SharedPreferences and survive app restarts.
+ *
+ * @param debugPanelInterceptor interceptor through which overrides are applied
+ * @param konfeature Konfeature instance used to obtain the list of features
+ *
+ * @see KonfeatureDebugPanelInterceptor
+ */
 public class KonfeaturePlugin(
     private val debugPanelInterceptor: KonfeatureDebugPanelInterceptor,
     private val konfeature: Konfeature,
diff --git a/plugins/plugin-servers/src/main/kotlin/com/redmadrobot/debug/plugin/servers/ServerSelectedEvent.kt b/plugins/plugin-servers/src/main/kotlin/com/redmadrobot/debug/plugin/servers/ServerSelectedEvent.kt
index a35d0527..d5b72eaa 100644
--- a/plugins/plugin-servers/src/main/kotlin/com/redmadrobot/debug/plugin/servers/ServerSelectedEvent.kt
+++ b/plugins/plugin-servers/src/main/kotlin/com/redmadrobot/debug/plugin/servers/ServerSelectedEvent.kt
@@ -3,4 +3,11 @@ package com.redmadrobot.debug.plugin.servers
 import com.redmadrobot.debug.core.DebugEvent
 import com.redmadrobot.debug.plugin.servers.data.model.DebugServer
 
+/**
+ * Event emitted when a server is selected in [ServersPlugin].
+ *
+ * Subscribe via [com.redmadrobot.debug.core.DebugPanel.observeEvents] to react to environment changes.
+ *
+ * @property debugServer the selected server
+ */
 public data class ServerSelectedEvent(val debugServer: DebugServer) : DebugEvent
diff --git a/plugins/plugin-servers/src/main/kotlin/com/redmadrobot/debug/plugin/servers/ServersPlugin.kt b/plugins/plugin-servers/src/main/kotlin/com/redmadrobot/debug/plugin/servers/ServersPlugin.kt
index b65bbd27..924e503c 100644
--- a/plugins/plugin-servers/src/main/kotlin/com/redmadrobot/debug/plugin/servers/ServersPlugin.kt
+++ b/plugins/plugin-servers/src/main/kotlin/com/redmadrobot/debug/plugin/servers/ServersPlugin.kt
@@ -11,6 +11,21 @@ import com.redmadrobot.debug.plugin.servers.data.model.DebugServer
 import com.redmadrobot.debug.plugin.servers.ui.ServersScreen
 import kotlinx.coroutines.runBlocking
 
+/**
+ * Plugin for switching between servers (environments) at runtime.
+ *
+ * When a server is selected, a [ServerSelectedEvent] is emitted.
+ * For automatic URL substitution in OkHttp, use
+ * [com.redmadrobot.debug.plugin.servers.interceptor.DebugServerInterceptor].
+ *
+ * At least one server in the list must be marked as [DebugServer.isDefault].
+ *
+ * @param preInstalledServers list of pre-installed servers
+ * @throws IllegalStateException if no server is marked as default
+ *
+ * @see com.redmadrobot.debug.plugin.servers.interceptor.DebugServerInterceptor
+ * @see ServerSelectedEvent
+ */
 public class ServersPlugin(
     private val preInstalledServers: List<DebugServer> = emptyList(),
 ) : Plugin(), EditablePlugin {
@@ -19,6 +34,9 @@ public class ServersPlugin(
             ?: error("ServersPlugin can't be initialized. At least one server must be default")
     }
 
+    /**
+     * Alternative constructor accepting a [DebugDataProvider] for lazy supply of the server list.
+     */
     public constructor(preInstalledServers: DebugDataProvider<List<DebugServer>>) : this(
         preInstalledServers = preInstalledServers.provideData()
     )
@@ -42,12 +60,25 @@ public class ServersPlugin(
     public companion object {
         internal const val NAME = "SERVERS"
 
+        /**
+         * Returns the currently selected server.
+         *
+         * Blocking call -- use only off the main thread
+         * or in places where blocking is acceptable (e.g., an OkHttp interceptor).
+         *
+         * @throws IllegalArgumentException if [ServersPlugin] is not registered
+         */
         public fun getSelectedServer(): DebugServer {
             return runBlocking {
                 getPlugin<ServersPlugin>().getContainer<ServersPluginContainer>().serversRepository.getSelectedServer()
             }
         }
 
+        /**
+         * Returns the server marked as default.
+         *
+         * @throws IllegalArgumentException if [ServersPlugin] is not registered
+         */
         public fun getDefaultServer(): DebugServer {
             return getPlugin<ServersPlugin>().getContainer<ServersPluginContainer>().serversRepository.getDefault()
         }
diff --git a/plugins/plugin-servers/src/main/kotlin/com/redmadrobot/debug/plugin/servers/data/model/DebugServer.kt b/plugins/plugin-servers/src/main/kotlin/com/redmadrobot/debug/plugin/servers/data/model/DebugServer.kt
index a9c58e74..2a9988c0 100644
--- a/plugins/plugin-servers/src/main/kotlin/com/redmadrobot/debug/plugin/servers/data/model/DebugServer.kt
+++ b/plugins/plugin-servers/src/main/kotlin/com/redmadrobot/debug/plugin/servers/data/model/DebugServer.kt
@@ -2,6 +2,13 @@ package com.redmadrobot.debug.plugin.servers.data.model
 
 import kotlinx.serialization.Serializable
 
+/**
+ * Server (environment) model for [com.redmadrobot.debug.plugin.servers.ServersPlugin].
+ *
+ * @property name display name of the server
+ * @property url base URL of the server (e.g., `https://api.example.com`)
+ * @property isDefault `true` if the server is used by default.
+ */
 @Serializable
 public data class DebugServer(
     val name: String,
diff --git a/plugins/plugin-servers/src/main/kotlin/com/redmadrobot/debug/plugin/servers/interceptor/DebugServerInterceptor.kt b/plugins/plugin-servers/src/main/kotlin/com/redmadrobot/debug/plugin/servers/interceptor/DebugServerInterceptor.kt
index f41046b6..2f84d80f 100644
--- a/plugins/plugin-servers/src/main/kotlin/com/redmadrobot/debug/plugin/servers/interceptor/DebugServerInterceptor.kt
+++ b/plugins/plugin-servers/src/main/kotlin/com/redmadrobot/debug/plugin/servers/interceptor/DebugServerInterceptor.kt
@@ -12,6 +12,22 @@ import okhttp3.Request
 import okhttp3.Response
 import java.net.URI
 
+/**
+ * OkHttp [Interceptor] that replaces the host and scheme of requests
+ * with values of the currently selected server from [ServersPlugin].
+ *
+ * If the debug panel is not initialized, requests pass through unchanged.
+ *
+ * Example wiring:
+ * ```
+ * OkHttpClient.Builder()
+ *     .addInterceptor(DebugServerInterceptor())
+ *     .build()
+ * ```
+ *
+ * @see ServersPlugin
+ * @see DebugServer
+ */
 public class DebugServerInterceptor : Interceptor {
     private var requestModifier: ((Request, DebugServer) -> Request?)? = null
 
@@ -22,8 +38,13 @@ public class DebugServerInterceptor : Interceptor {
     }
 
     /**
-     * Additional request modification
-     * */
+     * Adds an additional request modification after the host substitution.
+     *
+     * Allows, for example, adding headers specific to a particular server.
+     *
+     * @param block modification function taking the current request and the selected server
+     * @return this interceptor for call chaining (builder pattern)
+     */
     public fun modifyRequest(block: (Request, DebugServer) -> Request): DebugServerInterceptor {
         this.requestModifier = block
         return this