diff --git a/src/lib/Hydra/Plugin/RunCommand.pm b/src/lib/Hydra/Plugin/RunCommand.pm
new file mode 100644
index 00000000..cbd7c029
--- /dev/null
+++ b/src/lib/Hydra/Plugin/RunCommand.pm
@@ -0,0 +1,115 @@
+package Hydra::Plugin::RunCommand;
+
+use strict;
+use parent 'Hydra::Plugin';
+use experimental 'smartmatch';
+use JSON;
+
+sub configSectionMatches {
+    my ($name, $project, $jobset, $job) = @_;
+
+    my @elems = split ':', $name;
+
+    die "invalid section name '$name'\n" if scalar(@elems) > 3;
+
+    my $project2 = $elems[0] // "*";
+    return 0 if $project2 ne "*" && $project ne $project2;
+
+    my $jobset2 = $elems[1] // "*";
+    return 0 if $jobset2 ne "*" && $jobset ne $jobset2;
+
+    my $job2 = $elems[2] // "*";
+    return 0 if $job2 ne "*" && $job ne $job2;
+
+    return 1;
+}
+
+sub eventMatches {
+    my ($cfg, $event) = @_;
+    for my $x (split " ", ($cfg->{events} // "buildFinished")) {
+        return 1 if $x eq $event;
+    }
+    return 0;
+}
+
+sub buildFinished {
+    my ($self, $build, $dependents) = @_;
+    my $event = "buildFinished";
+
+    my $config = $self->{config}->{runcommand} // [];
+
+    my $tmp;
+
+    foreach my $cfg (@$config) {
+        next unless eventMatches($cfg, $event);
+        next unless configSectionMatches(
+            $cfg->{job} // "*:*:*",
+            $build->get_column('project'),
+            $build->get_column('jobset'),
+            $build->get_column('job'));
+
+        my $command = $cfg->{command} // die "<runcommand> section lacks a 'command' option";
+
+        unless (defined $tmp) {
+            $tmp = File::Temp->new(SUFFIX => '.json');
+
+            my $json = {
+                event => $event,
+                build => $build->id,
+                finished => $build->get_column('finished'),
+                timestamp => $build->get_column('timestamp'),
+                project => $build->get_column('project'),
+                jobset => $build->get_column('jobset'),
+                job => $build->get_column('job'),
+                drvPath => $build->get_column('drvpath'),
+                startTime => $build->get_column('starttime'),
+                stopTime => $build->get_column('stoptime'),
+                buildStatus => $build->get_column('buildstatus'),
+                outputs => [],
+                products => [],
+                metrics => [],
+            };
+
+            for my $output ($build->buildoutputs) {
+                my $j = {
+                    name => $output->name,
+                    path => $output->path,
+                };
+                push @{$json->{outputs}}, $j;
+            }
+
+            for my $product ($build->buildproducts) {
+                my $j = {
+                    productNr => $product->productnr,
+                    type => $product->type,
+                    subtype => $product->subtype,
+                    fileSize => $product->filesize,
+                    sha1hash => $product->sha1hash,
+                    sha256hash => $product->sha256hash,
+                    path => $product->path,
+                    name => $product->name,
+                    defaultPath => $product->defaultpath,
+                };
+                push @{$json->{products}}, $j;
+            }
+
+            for my $metric ($build->buildmetrics) {
+                my $j = {
+                    name => $metric->name,
+                    unit => $metric->unit,
+                    value => $metric->value,
+                };
+                push @{$json->{metrics}}, $j;
+            }
+
+            print $tmp encode_json($json) or die;
+        }
+
+        $ENV{"HYDRA_JSON"} = $tmp->filename;
+
+        system("$command") == 0
+            or warn "notification command '$command' failed with exit status $?\n";
+    }
+}
+
+1;