diff --git a/cmd/tree.go b/cmd/tree.go
index 90f83fb3..bfba63d7 100644
--- a/cmd/tree.go
+++ b/cmd/tree.go
@@ -32,5 +32,6 @@ func init() {
 
 	treeGroupCmd.AddCommand(
 		NewTreePkglistCommand(),
+		NewTreeValidateCommand(),
 	)
 }
diff --git a/cmd/tree/validate.go b/cmd/tree/validate.go
new file mode 100644
index 00000000..5c3688ba
--- /dev/null
+++ b/cmd/tree/validate.go
@@ -0,0 +1,199 @@
+// Copyright © 2020 Ettore Di Giacinto <mudler@gentoo.org>
+//                  Daniele Rondina <geaaru@sabayonlinux.org>
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this program; if not, see <http://www.gnu.org/licenses/>.
+
+package cmd_tree
+
+import (
+	"fmt"
+	"sort"
+
+	//. "github.com/mudler/luet/pkg/config"
+	helpers "github.com/mudler/luet/pkg/helpers"
+	. "github.com/mudler/luet/pkg/logger"
+	pkg "github.com/mudler/luet/pkg/package"
+	"github.com/mudler/luet/pkg/solver"
+	tree "github.com/mudler/luet/pkg/tree"
+
+	"github.com/spf13/cobra"
+)
+
+func NewTreeValidateCommand() *cobra.Command {
+	var excludes []string
+	var matches []string
+
+	var ans = &cobra.Command{
+		Use:   "validate [OPTIONS]",
+		Short: "Validate a tree or a list of packages",
+		Args:  cobra.OnlyValidArgs,
+		PreRun: func(cmd *cobra.Command, args []string) {
+			t, _ := cmd.Flags().GetString("tree")
+			if t == "" {
+				Fatal("Mandatory tree param missing.")
+			}
+		},
+		Run: func(cmd *cobra.Command, args []string) {
+			var depSolver solver.PackageSolver
+			var errstr string
+
+			errors := make([]string, 0)
+
+			brokenPkgs := 0
+			treePath, _ := cmd.Flags().GetString("tree")
+			withSolver, _ := cmd.Flags().GetBool("with-solver")
+
+			reciper := tree.NewInstallerRecipe(pkg.NewInMemoryDatabase(false))
+			err := reciper.Load(treePath)
+			if err != nil {
+				Fatal("Error on load tree ", err)
+			}
+
+			emptyInstallationDb := pkg.NewInMemoryDatabase(false)
+			if withSolver {
+				depSolver = solver.NewSolver(pkg.NewInMemoryDatabase(false),
+					reciper.GetDatabase(),
+					emptyInstallationDb)
+			}
+
+			regExcludes, err := helpers.CreateRegexArray(excludes)
+			if err != nil {
+				Fatal(err.Error())
+			}
+			regMatches, err := helpers.CreateRegexArray(matches)
+			if err != nil {
+				Fatal(err.Error())
+			}
+
+			for _, p := range reciper.GetDatabase().World() {
+
+				pkgstr := fmt.Sprintf("%s/%s-%s", p.GetCategory(), p.GetName(),
+					p.GetVersion())
+
+				validpkg := true
+
+				if len(matches) > 0 {
+					matched := false
+					for _, rgx := range regMatches {
+						if rgx.MatchString(pkgstr) {
+							matched = true
+							break
+						}
+					}
+
+					if !matched {
+						continue
+					}
+				}
+
+				if len(excludes) > 0 {
+					excluded := false
+					for _, rgx := range regExcludes {
+						if rgx.MatchString(pkgstr) {
+							excluded = true
+							break
+						}
+					}
+
+					if excluded {
+						continue
+					}
+				}
+				Info("Checking package "+fmt.Sprintf("%s/%s-%s", p.GetCategory(), p.GetName(), p.GetVersion()), "with", len(p.GetRequires()), "dependencies.")
+
+				for _, r := range p.GetRequires() {
+
+					deps, err := reciper.GetDatabase().FindPackages(
+						&pkg.DefaultPackage{
+							Name:     r.GetName(),
+							Category: r.GetCategory(),
+							Version:  r.GetVersion(),
+						},
+					)
+
+					if err != nil || len(deps) < 1 {
+						if err != nil {
+							errstr = err.Error()
+						} else {
+							errstr = "No packages"
+						}
+						Error(fmt.Sprintf("%s/%s-%s: Broken Dep %s/%s-%s - %s",
+							p.GetCategory(), p.GetName(), p.GetVersion(),
+							r.GetCategory(), r.GetName(), r.GetVersion(),
+							errstr,
+						))
+
+						errors = append(errors,
+							fmt.Sprintf("%s/%s-%s: Broken Dep %s/%s-%s - %s",
+								p.GetCategory(), p.GetName(), p.GetVersion(),
+								r.GetCategory(), r.GetName(), r.GetVersion(),
+								errstr))
+
+						validpkg = false
+
+					} else {
+
+						Debug("Find packages for dep",
+							fmt.Sprintf("%s/%s-%s", r.GetCategory(), r.GetName(), r.GetVersion()))
+
+						if withSolver {
+							Spinner(32)
+							_, err := depSolver.Install([]pkg.Package{r})
+							SpinnerStop()
+
+							if err != nil {
+
+								Error(fmt.Sprintf("%s/%s-%s: solver broken for dep %s/%s-%s - %s",
+									p.GetCategory(), p.GetName(), p.GetVersion(),
+									r.GetCategory(), r.GetName(), r.GetVersion(),
+									err.Error(),
+								))
+
+								errors = append(errors,
+									fmt.Sprintf("%s/%s-%s: solver broken for Dep %s/%s-%s - %s",
+										p.GetCategory(), p.GetName(), p.GetVersion(),
+										r.GetCategory(), r.GetName(), r.GetVersion(),
+										err.Error()))
+
+								validpkg = false
+							}
+
+						}
+					}
+
+				}
+
+				if !validpkg {
+					brokenPkgs++
+				}
+			}
+
+			sort.Strings(errors)
+			for _, e := range errors {
+				fmt.Println(e)
+			}
+			fmt.Println("Broken packages:", brokenPkgs)
+		},
+	}
+
+	ans.Flags().BoolP("with-solver", "s", false,
+		"Enable check of requires also with solver.")
+	ans.Flags().StringP("tree", "t", "", "Path of the tree to use.")
+	ans.Flags().StringSliceVarP(&excludes, "exclude", "e", []string{},
+		"Exclude matched packages from analysis. (Use string as regex).")
+	ans.Flags().StringSliceVarP(&matches, "matches", "m", []string{},
+		"Analyze only matched packages. (Use string as regex).")
+
+	return ans
+}