diff --git a/src/cmd/open.go b/src/cmd/open.go
new file mode 100644
index 0000000..01ac752
--- /dev/null
+++ b/src/cmd/open.go
@@ -0,0 +1,58 @@
+package cmd
+
+import (
+	"fmt"
+	"strings"
+
+	"code.gitea.io/sdk/gitea"
+	"github.com/spf13/cobra"
+
+	"git.mfocko.xyz/mfocko/frag-review/core"
+)
+
+var (
+	openMilestone string
+
+	openCmd = &cobra.Command{
+		Use:    "open",
+		Short:  "Opens pull requests for review.",
+		PreRun: InitializeConfig,
+		Run: func(cmd *cobra.Command, args []string) {
+			client, err := gitea.NewClient(config.Gitea.InstanceURL, gitea.SetToken(config.Gitea.Token))
+			core.ExitOnError("Couldn't create gitea client", err)
+
+			milestone, _, err := client.GetMilestoneByName(config.Gitea.Owner, config.Gitea.Repository, openMilestone)
+			core.ExitOnError("Couldn't find the milestone", err)
+
+			fmt.Printf("Milestone found %s (deadline %s)\n", milestone.Title, milestone.Deadline)
+
+			branches, _, err := client.ListRepoBranches(config.Gitea.Owner, config.Gitea.Repository, gitea.ListRepoBranchesOptions{})
+			core.ExitOnError("Couldn't list all the branches", err)
+
+			ProcessBranches(client, milestone, branches)
+		},
+	}
+)
+
+func init() {
+	openCmd.Flags().StringVarP(&openMilestone, "milestone", "m", "", "specifies milestone, i.e. the task")
+}
+
+func ProcessBranches(client *gitea.Client, milestone *gitea.Milestone, branches []*gitea.Branch) {
+	for _, branch := range branches {
+		if !strings.HasPrefix(branch.Name, milestone.Title) {
+			continue
+		}
+
+		fmt.Printf("- Processing %s\n", branch.Name)
+		pr, _, err := client.CreatePullRequest(config.Gitea.Owner, config.Gitea.Repository, gitea.CreatePullRequestOption{
+			Head: branch.Name,
+			Base: "main",
+			Title: branch.Name,
+			Milestone: milestone.ID,
+		})
+		core.ExitOnError("Couldn't create PR", err)
+
+		fmt.Printf("Created PR #%s\n", pr.ID)
+	}
+}
\ No newline at end of file
diff --git a/src/cmd/root.go b/src/cmd/root.go
index 182e8ba..acdb13d 100644
--- a/src/cmd/root.go
+++ b/src/cmd/root.go
@@ -32,4 +32,5 @@ func Execute() error {
 func init() {
 	rootCmd.PersistentFlags().StringVarP(&configFilepath, "conf", "c", ".frag_review.yml", "path to the config file")
 	rootCmd.AddCommand(patchCmd)
+	rootCmd.AddCommand(openCmd)
 }