diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8d5c765c6..541a99a78 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -48,6 +48,7 @@
 - Auto-reply: strip stray leading/trailing `HEARTBEAT_OK` from normal replies; drop short (≤ 30 chars) heartbeat acks.
 - Logging: trim provider prefix duplication in Discord/Signal/Telegram runtime log lines.
 - Discord: include recent guild context when replying to mentions and add `discord.historyLimit` to tune how many messages are captured.
+- Discord: include author tag + id in group context `[from:]` lines for ping-ready replies (thanks @thewilloftheshadow).
 - Gateway: fix TypeScript build by aligning hook mapping `channel` types and removing a dead Group DM branch in Discord monitor.
 - Skills: switch imsg installer to brew tap formula.
 - Skills: gate macOS-only skills by OS and surface block reasons in the Skills UI.
diff --git a/src/discord/monitor.ts b/src/discord/monitor.ts
index 904e2755c..08b376597 100644
--- a/src/discord/monitor.ts
+++ b/src/discord/monitor.ts
@@ -301,7 +301,9 @@ export async function monitorDiscordProvider(opts: MonitorDiscordOpts = {}) {
             .join("\n");
           combinedBody = `[Chat messages since your last reply - for context]\n${historyText}\n\n[Current message - respond to this]\n${combinedBody}`;
         }
-        combinedBody = `${combinedBody}\n[from: ${message.member?.displayName ?? message.author.tag}]`;
+        const name = message.author.tag;
+        const id = message.author.id;
+        combinedBody = `${combinedBody}\n[from: ${name} id:${id}]`;
         shouldClearHistory = true;
       }