revert to npm for stdio node tools (#424)

Author: EItanya

go/controller/internal/autogen/autogen_api_translator.go

@@ -70,24 +70,12 @@ func (a *apiTranslator) TranslateToolServer(ctx context.Context, toolServer *v1a
 	}, nil
 }
 
-var aliasMap = map[string]string{
-	"npx": "bunx",
-	"npm": "bun",
-}
-
-func commandAlias(command string) string {
-	if alias, ok := aliasMap[command]; ok {
-		return alias
-	}
-	return command
-}
-
 func translateToolServerConfig(config v1alpha1.ToolServerConfig) (string, *api.ToolServerConfig, error) {
 	switch {
 	case config.Stdio != nil:
 		return "kagent.tool_servers.StdioMcpToolServer", &api.ToolServerConfig{
 			StdioMcpServerConfig: &api.StdioMcpServerConfig{
-				Command: commandAlias(config.Stdio.Command),
+				Command: config.Stdio.Command,
 				Args:    config.Stdio.Args,
 				Env:     config.Stdio.Env,
 			},

python/Dockerfile

@@ -74,15 +74,12 @@ RUN curl -fsSL -o get_helm.sh https://raw.githubusercontent.com/helm/helm/main/s
 ### STAGE 4: final
 FROM python-os AS final
 
-ENV BUN_INSTALL_CACHE_DIR=/cache/bun
-ENV BUN_INSTALL=/usr/local/bun
-ENV PATH=$BUN_INSTALL/bin:$PATH
+RUN apk update && apk add nodejs npm
 
 COPY --from=python-builder /usr/local/bin/kubectl /usr/local/bin/kubectl
 COPY --from=python-builder /usr/local/bin/istioctl /usr/local/bin/istioctl
 COPY --from=python-builder /usr/local/bin/helm /usr/local/bin/helm
 COPY --from=python-builder /usr/local/bin/kubectl-argo-rollouts /usr/local/bin/kubectl-argo-rollouts
-COPY --from=python-builder $BUN_INSTALL $BUN_INSTALL
 
 COPY pyproject.toml .
 COPY .python-version .