diff --git a/Zotlabs/Module/Ap_probe.php b/Zotlabs/Module/Ap_probe.php
index 4649914d5..f788fa73a 100644
--- a/Zotlabs/Module/Ap_probe.php
+++ b/Zotlabs/Module/Ap_probe.php
@@ -11,7 +11,8 @@ class Ap_probe extends \Zotlabs\Web\Controller {
 		$o .= '<h3>ActivityPub Probe Diagnostic</h3>';
 	
 		$o .= '<form action="ap_probe" method="get">';
-		$o .= 'Lookup URI: <input type="text" style="width: 250px;" name="addr" value="' . $_GET['addr'] .'" />';
+		$o .= 'Lookup URI: <input type="text" style="width: 250px;" name="addr" value="' . $_GET['addr'] .'" /><br>';
+		$o .= 'Request Signed version: <input type=checkbox name="magenv" value="1" ><br>';
 		$o .= '<input type="submit" name="submit" value="Submit" /></form>'; 
 	
 		$o .= '<br /><br />';
@@ -19,11 +20,15 @@ class Ap_probe extends \Zotlabs\Web\Controller {
 		if(x($_GET,'addr')) {
 			$addr = $_GET['addr'];
 
-			$redirects = 0;
-		    $x = z_fetch_url($addr,true,$redirects,
-	        [ 'headers' => [ 'Accept: application/ld+json; profile="https://www.w3.org/ns/activitystreams"']]);
-logger('fetch: ' . print_r($x,true));
+			if($_GET['magenv']) {
+				$headers = 'Accept: application/magic-envelope+json, application/ld+json; profile="https://www.w3.org/ns/activitystreams"';
+			}
+			else {
+				$headers = 'Accept: application/ld+json; profile="https://www.w3.org/ns/activitystreams"';
+			}
 
+			$redirects = 0;
+		    $x = z_fetch_url($addr,true,$redirects, [ 'headers' => [ $headers ]]);
 	    	if($x['success'])
 				$o .= '<pre>' . str_replace('\\','',jindent($x['body'])) . '</pre>';
 		}
diff --git a/include/feedutils.php b/include/feedutils.php
index daab1a741..5d537553f 100644
--- a/include/feedutils.php
+++ b/include/feedutils.php
@@ -1973,6 +1973,14 @@ function asencode_person($p) {
 	if(array_key_exists('channel_id',$p)) {
 		$ret['inbox'] = z_root() . '/inbox/' . $p['channel_address'];
 		$ret['outbox'] = z_root() . '/outbox/' . $p['channel_address'];
+		$ret['me:magic_keys'] = [
+			[ 
+				'value' => salmon_key($p['channel_pubkey']), 
+				'key_id' => base64url_encode(hash('sha256',salmon_key($p['channel_pubkey'])),true)
+			]
+		];
+
+
 	}
 	else {
 		$collections = get_xconfig($p['xchan_hash'],'activitystreams','collections',[]);