diff --git a/runtimes/runtimes/base-runtime.ts b/runtimes/runtimes/base-runtime.ts
index 6fa3baf3..66374947 100644
--- a/runtimes/runtimes/base-runtime.ts
+++ b/runtimes/runtimes/base-runtime.ts
@@ -267,8 +267,11 @@ export const baseRuntime = (connections: { reader: MessageReader; writer: Messag
             sendProgress: <P>(type: ProgressType<P>, token: ProgressToken, value: P) => {
                 return lspConnection.sendProgress(type, token, value)
             },
+            onDefinition: handler => lspConnection.onDefinition(handler),
             onHover: handler => lspConnection.onHover(handler),
             onSignatureHelp: handler => lspConnection.onSignatureHelp(handler),
+            onCodeAction: handler => lspConnection.onCodeAction(handler),
+            onCodeActionResolve: handler => lspConnection.onCodeActionResolve(handler),
             extensions: {
                 onGetConfigurationFromServer: lspServer.setServerConfigurationHandler,
                 onInlineCompletionWithReferences: handler =>
diff --git a/runtimes/runtimes/standalone.ts b/runtimes/runtimes/standalone.ts
index 53a10921..d199bd79 100644
--- a/runtimes/runtimes/standalone.ts
+++ b/runtimes/runtimes/standalone.ts
@@ -408,8 +408,11 @@ export const standalone = (props: RuntimeProps) => {
 
                     return lspConnection.sendProgress(type, token, value)
                 },
+                onDefinition: handler => lspConnection.onDefinition(handler),
                 onHover: handler => lspConnection.onHover(handler),
                 onSignatureHelp: handler => lspConnection.onSignatureHelp(handler),
+                onCodeAction: handler => lspConnection.onCodeAction(handler),
+                onCodeActionResolve: handler => lspConnection.onCodeActionResolve(handler),
                 extensions: {
                     onGetConfigurationFromServer: lspServer.setServerConfigurationHandler,
                     onInlineCompletionWithReferences: handler =>
diff --git a/runtimes/server-interface/lsp.ts b/runtimes/server-interface/lsp.ts
index ec4ffdcf..7dc86ed0 100644
--- a/runtimes/server-interface/lsp.ts
+++ b/runtimes/server-interface/lsp.ts
@@ -8,6 +8,7 @@ import {
     CompletionList,
     CompletionParams,
     ConfigurationOptions,
+    DefinitionParams,
     DidChangeConfigurationParams,
     DidChangeTextDocumentParams,
     DidChangeWorkspaceFoldersParams,
@@ -26,6 +27,8 @@ import {
     InlineCompletionList,
     InlineCompletionListWithReferences,
     InlineCompletionParams,
+    Location,
+    LocationLink,
     LogInlineCompletionSessionResultsParams,
     NotificationHandler,
     ProgressToken,
@@ -48,6 +51,8 @@ import {
     ApplyWorkspaceEditParams,
     ApplyWorkspaceEditResult,
     DidSaveTextDocumentParams,
+    CodeAction,
+    CodeActionParams,
     DeleteFilesParams,
     CreateFilesParams,
     RenameFilesParams,
@@ -131,10 +136,15 @@ export type Lsp = {
     onDidSaveTextDocument: (handler: NotificationHandler<DidSaveTextDocumentParams>) => void
     publishDiagnostics: (params: PublishDiagnosticsParams) => Promise<void>
     sendProgress: <P>(type: ProgressType<P>, token: ProgressToken, value: P) => Promise<void>
+    onDefinition: (
+        handler: RequestHandler<DefinitionParams, Location | Location[] | LocationLink[] | null | undefined, void>
+    ) => void
     onHover: (handler: RequestHandler<HoverParams, Hover | null | undefined, void>) => void
     onExecuteCommand: (handler: RequestHandler<ExecuteCommandParams, any | undefined | null, void>) => void
     onSemanticTokens: (handler: RequestHandler<SemanticTokensParams, SemanticTokens | null, void>) => void
     onSignatureHelp: (handler: RequestHandler<SignatureHelpParams, SignatureHelp | null | undefined, void>) => void
+    onCodeAction: (handler: RequestHandler<CodeActionParams, CodeAction[] | null | undefined, void>) => void
+    onCodeActionResolve: (handler: RequestHandler<CodeAction, CodeAction, void>) => void
     workspace: {
         getConfiguration: (section: string) => Promise<any>
         onDidChangeWorkspaceFolders: (handler: NotificationHandler<DidChangeWorkspaceFoldersParams>) => void