diff --git a/tools/compliance/cmd/checkmetadata/checkmetadata.go b/tools/compliance/cmd/checkmetadata/checkmetadata.go
new file mode 100644
index 0000000..c6c84e4
--- /dev/null
+++ b/tools/compliance/cmd/checkmetadata/checkmetadata.go
@@ -0,0 +1,148 @@
+// Copyright 2022 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package main
+
+import (
+	"bytes"
+	"flag"
+	"fmt"
+	"io"
+	"io/fs"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"android/soong/response"
+	"android/soong/tools/compliance"
+	"android/soong/tools/compliance/projectmetadata"
+)
+
+var (
+	failNoneRequested = fmt.Errorf("\nNo projects requested")
+)
+
+func main() {
+	var expandedArgs []string
+	for _, arg := range os.Args[1:] {
+		if strings.HasPrefix(arg, "@") {
+			f, err := os.Open(strings.TrimPrefix(arg, "@"))
+			if err != nil {
+				fmt.Fprintln(os.Stderr, err.Error())
+				os.Exit(1)
+			}
+
+			respArgs, err := response.ReadRspFile(f)
+			f.Close()
+			if err != nil {
+				fmt.Fprintln(os.Stderr, err.Error())
+				os.Exit(1)
+			}
+			expandedArgs = append(expandedArgs, respArgs...)
+		} else {
+			expandedArgs = append(expandedArgs, arg)
+		}
+	}
+
+	flags := flag.NewFlagSet("flags", flag.ExitOnError)
+
+	flags.Usage = func() {
+		fmt.Fprintf(os.Stderr, `Usage: %s {-o outfile} projectdir {projectdir...}
+
+Tries to open the METADATA.android or METADATA file in each projectdir
+reporting any errors on stderr.
+
+Reports "FAIL" to stdout if any errors found and exits with status 1.
+
+Otherwise, reports "PASS" and the number of project metadata files
+found exiting with status 0.
+`, filepath.Base(os.Args[0]))
+		flags.PrintDefaults()
+	}
+
+	outputFile := flags.String("o", "-", "Where to write the output. (default stdout)")
+
+	flags.Parse(expandedArgs)
+
+	// Must specify at least one root target.
+	if flags.NArg() == 0 {
+		flags.Usage()
+		os.Exit(2)
+	}
+
+	if len(*outputFile) == 0 {
+		flags.Usage()
+		fmt.Fprintf(os.Stderr, "must specify file for -o; use - for stdout\n")
+		os.Exit(2)
+	} else {
+		dir, err := filepath.Abs(filepath.Dir(*outputFile))
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "cannot determine path to %q: %s\n", *outputFile, err)
+			os.Exit(1)
+		}
+		fi, err := os.Stat(dir)
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "cannot read directory %q of %q: %s\n", dir, *outputFile, err)
+			os.Exit(1)
+		}
+		if !fi.IsDir() {
+			fmt.Fprintf(os.Stderr, "parent %q of %q is not a directory\n", dir, *outputFile)
+			os.Exit(1)
+		}
+	}
+
+	var ofile io.Writer
+	ofile = os.Stdout
+	var obuf *bytes.Buffer
+	if *outputFile != "-" {
+		obuf = &bytes.Buffer{}
+		ofile = obuf
+	}
+
+	err := checkProjectMetadata(ofile, os.Stderr, compliance.FS, flags.Args()...)
+	if err != nil {
+		if err == failNoneRequested {
+			flags.Usage()
+		}
+		fmt.Fprintf(os.Stderr, "%s\n", err.Error())
+		fmt.Fprintln(ofile, "FAIL")
+		os.Exit(1)
+	}
+	if *outputFile != "-" {
+		err := os.WriteFile(*outputFile, obuf.Bytes(), 0666)
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "could not write output to %q from %q: %s\n", *outputFile, os.Getenv("PWD"), err)
+			os.Exit(1)
+		}
+	}
+	os.Exit(0)
+}
+
+// checkProjectMetadata implements the checkmetadata utility.
+func checkProjectMetadata(stdout, stderr io.Writer, rootFS fs.FS, projects ...string) error {
+
+	if len(projects) < 1 {
+		return failNoneRequested
+	}
+
+	// Read the project metadata files from `projects`
+	ix := projectmetadata.NewIndex(rootFS)
+	pms, err := ix.MetadataForProjects(projects...)
+	if err != nil {
+		return fmt.Errorf("Unable to read project metadata file(s) %q from %q: %w\n", projects, os.Getenv("PWD"), err)
+	}
+
+	fmt.Fprintf(stdout, "PASS -- parsed %d project metadata files for %d projects\n", len(pms), len(projects))
+	return nil
+}
diff --git a/tools/compliance/cmd/checkmetadata/checkmetadata_test.go b/tools/compliance/cmd/checkmetadata/checkmetadata_test.go
new file mode 100644
index 0000000..cf2090b
--- /dev/null
+++ b/tools/compliance/cmd/checkmetadata/checkmetadata_test.go
@@ -0,0 +1,191 @@
+// Copyright 2022 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package main
+
+import (
+	"bytes"
+	"fmt"
+	"os"
+	"strings"
+	"testing"
+
+	"android/soong/tools/compliance"
+)
+
+func TestMain(m *testing.M) {
+	// Change into the parent directory before running the tests
+	// so they can find the testdata directory.
+	if err := os.Chdir(".."); err != nil {
+		fmt.Printf("failed to change to testdata directory: %s\n", err)
+		os.Exit(1)
+	}
+	os.Exit(m.Run())
+}
+
+func Test(t *testing.T) {
+	tests := []struct {
+		name           string
+		projects       []string
+		expectedStdout string
+	}{
+		{
+			name:           "1p",
+			projects:       []string{"firstparty"},
+			expectedStdout: "PASS -- parsed 1 project metadata files for 1 projects",
+		},
+		{
+			name:           "notice",
+			projects:       []string{"notice"},
+			expectedStdout: "PASS -- parsed 1 project metadata files for 1 projects",
+		},
+		{
+			name:           "1p+notice",
+			projects:       []string{"firstparty", "notice"},
+			expectedStdout: "PASS -- parsed 2 project metadata files for 2 projects",
+		},
+		{
+			name:           "reciprocal",
+			projects:       []string{"reciprocal"},
+			expectedStdout: "PASS -- parsed 1 project metadata files for 1 projects",
+		},
+		{
+			name:           "1p+notice+reciprocal",
+			projects:       []string{"firstparty", "notice", "reciprocal"},
+			expectedStdout: "PASS -- parsed 3 project metadata files for 3 projects",
+		},
+		{
+			name:           "restricted",
+			projects:       []string{"restricted"},
+			expectedStdout: "PASS -- parsed 1 project metadata files for 1 projects",
+		},
+		{
+			name:           "1p+notice+reciprocal+restricted",
+			projects:       []string{
+				"firstparty",
+				"notice",
+				"reciprocal",
+				"restricted",
+			},
+			expectedStdout: "PASS -- parsed 4 project metadata files for 4 projects",
+		},
+		{
+			name:           "proprietary",
+			projects:       []string{"proprietary"},
+			expectedStdout: "PASS -- parsed 1 project metadata files for 1 projects",
+		},
+		{
+			name:           "1p+notice+reciprocal+restricted+proprietary",
+			projects:       []string{
+				"firstparty",
+				"notice",
+				"reciprocal",
+				"restricted",
+				"proprietary",
+			},
+			expectedStdout: "PASS -- parsed 5 project metadata files for 5 projects",
+		},
+		{
+			name:           "missing1",
+			projects:       []string{"regressgpl1"},
+			expectedStdout: "PASS -- parsed 0 project metadata files for 1 projects",
+		},
+		{
+			name:           "1p+notice+reciprocal+restricted+proprietary+missing1",
+			projects:       []string{
+				"firstparty",
+				"notice",
+				"reciprocal",
+				"restricted",
+				"proprietary",
+				"regressgpl1",
+			},
+			expectedStdout: "PASS -- parsed 5 project metadata files for 6 projects",
+		},
+		{
+			name:           "missing2",
+			projects:       []string{"regressgpl2"},
+			expectedStdout: "PASS -- parsed 0 project metadata files for 1 projects",
+		},
+		{
+			name:           "1p+notice+reciprocal+restricted+proprietary+missing1+missing2",
+			projects:       []string{
+				"firstparty",
+				"notice",
+				"reciprocal",
+				"restricted",
+				"proprietary",
+				"regressgpl1",
+				"regressgpl2",
+			},
+			expectedStdout: "PASS -- parsed 5 project metadata files for 7 projects",
+		},
+		{
+			name:           "missing2+1p+notice+reciprocal+restricted+proprietary+missing1",
+			projects:       []string{
+				"regressgpl2",
+				"firstparty",
+				"notice",
+				"reciprocal",
+				"restricted",
+				"proprietary",
+				"regressgpl1",
+			},
+			expectedStdout: "PASS -- parsed 5 project metadata files for 7 projects",
+		},
+		{
+			name:           "missing2+1p+notice+missing1+reciprocal+restricted+proprietary",
+			projects:       []string{
+				"regressgpl2",
+				"firstparty",
+				"notice",
+				"regressgpl1",
+				"reciprocal",
+				"restricted",
+				"proprietary",
+			},
+			expectedStdout: "PASS -- parsed 5 project metadata files for 7 projects",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			stdout := &bytes.Buffer{}
+			stderr := &bytes.Buffer{}
+
+			projects := make([]string, 0, len(tt.projects))
+			for _, project := range tt.projects {
+				projects = append(projects, "testdata/"+project)
+			}
+			err := checkProjectMetadata(stdout, stderr, compliance.GetFS(""), projects...)
+			if err != nil {
+				t.Fatalf("checkmetadata: error = %v, stderr = %v", err, stderr)
+				return
+			}
+			var actualStdout string
+			for _, s := range strings.Split(stdout.String(), "\n") {
+				ts := strings.TrimLeft(s, " \t")
+				if len(ts) < 1 {
+					continue
+				}
+				if len(actualStdout) > 0 {
+					t.Errorf("checkmetadata: unexpected multiple output lines %q, want %q", actualStdout+"\n"+ts, tt.expectedStdout)
+				}
+				actualStdout = ts
+			}
+			if actualStdout != tt.expectedStdout {
+				t.Errorf("checkmetadata: unexpected stdout %q, want %q", actualStdout, tt.expectedStdout)
+			}
+		})
+	}
+}