diff --git a/src/channels/allowlists/resolve-utils.test.ts b/src/channels/allowlists/resolve-utils.test.ts
index 496ac7a224..7d8cc21234 100644
--- a/src/channels/allowlists/resolve-utils.test.ts
+++ b/src/channels/allowlists/resolve-utils.test.ts
@@ -1,5 +1,8 @@
 import { describe, expect, it } from "vitest";
-import { buildAllowlistResolutionSummary } from "./resolve-utils.js";
+import {
+  addAllowlistUserEntriesFromConfigEntry,
+  buildAllowlistResolutionSummary,
+} from "./resolve-utils.js";
 
 describe("buildAllowlistResolutionSummary", () => {
   it("returns mapping, additions, and unresolved (including missing ids)", () => {
@@ -23,3 +26,17 @@ describe("buildAllowlistResolutionSummary", () => {
     expect(result.mapping).toEqual(["a→1 (note)"]);
   });
 });
+
+describe("addAllowlistUserEntriesFromConfigEntry", () => {
+  it("adds trimmed users and skips '*' and blanks", () => {
+    const target = new Set<string>();
+    addAllowlistUserEntriesFromConfigEntry(target, { users: ["  a  ", "*", "", "b"] });
+    expect(Array.from(target).toSorted()).toEqual(["a", "b"]);
+  });
+
+  it("ignores non-objects", () => {
+    const target = new Set<string>(["a"]);
+    addAllowlistUserEntriesFromConfigEntry(target, null);
+    expect(Array.from(target)).toEqual(["a"]);
+  });
+});
diff --git a/src/channels/allowlists/resolve-utils.ts b/src/channels/allowlists/resolve-utils.ts
index 054b9cdfdd..46b439093c 100644
--- a/src/channels/allowlists/resolve-utils.ts
+++ b/src/channels/allowlists/resolve-utils.ts
@@ -96,6 +96,22 @@ export function patchAllowlistUsersInConfigEntries<
   return nextEntries as TEntries;
 }
 
+export function addAllowlistUserEntriesFromConfigEntry(target: Set<string>, entry: unknown): void {
+  if (!entry || typeof entry !== "object") {
+    return;
+  }
+  const users = (entry as { users?: Array<string | number> }).users;
+  if (!Array.isArray(users)) {
+    return;
+  }
+  for (const value of users) {
+    const trimmed = String(value).trim();
+    if (trimmed && trimmed !== "*") {
+      target.add(trimmed);
+    }
+  }
+}
+
 export function summarizeMapping(
   label: string,
   mapping: string[],
diff --git a/src/discord/monitor/provider.ts b/src/discord/monitor/provider.ts
index f90d11de33..2996eb18c9 100644
--- a/src/discord/monitor/provider.ts
+++ b/src/discord/monitor/provider.ts
@@ -8,6 +8,7 @@ import { resolveTextChunkLimit } from "../../auto-reply/chunk.js";
 import { listNativeCommandSpecsForConfig } from "../../auto-reply/commands-registry.js";
 import { listSkillCommandsForAgents } from "../../auto-reply/skill-commands.js";
 import {
+  addAllowlistUserEntriesFromConfigEntry,
   buildAllowlistResolutionSummary,
   mergeAllowlist,
   resolveAllowlistIdAdditions,
@@ -294,30 +295,10 @@ export async function monitorDiscordProvider(opts: MonitorDiscordOpts = {}) {
         if (!guild || typeof guild !== "object") {
           continue;
         }
-        const users = (guild as { users?: Array<string | number> }).users;
-        if (Array.isArray(users)) {
-          for (const entry of users) {
-            const trimmed = String(entry).trim();
-            if (trimmed && trimmed !== "*") {
-              userEntries.add(trimmed);
-            }
-          }
-        }
+        addAllowlistUserEntriesFromConfigEntry(userEntries, guild);
         const channels = (guild as { channels?: Record<string, unknown> }).channels ?? {};
         for (const channel of Object.values(channels)) {
-          if (!channel || typeof channel !== "object") {
-            continue;
-          }
-          const channelUsers = (channel as { users?: Array<string | number> }).users;
-          if (!Array.isArray(channelUsers)) {
-            continue;
-          }
-          for (const entry of channelUsers) {
-            const trimmed = String(entry).trim();
-            if (trimmed && trimmed !== "*") {
-              userEntries.add(trimmed);
-            }
-          }
+          addAllowlistUserEntriesFromConfigEntry(userEntries, channel);
         }
       }
 
diff --git a/src/slack/monitor/provider.ts b/src/slack/monitor/provider.ts
index 9a15e87e76..0533647abd 100644
--- a/src/slack/monitor/provider.ts
+++ b/src/slack/monitor/provider.ts
@@ -5,6 +5,7 @@ import type { MonitorSlackOpts } from "./types.js";
 import { resolveTextChunkLimit } from "../../auto-reply/chunk.js";
 import { DEFAULT_GROUP_HISTORY_LIMIT } from "../../auto-reply/reply/history.js";
 import {
+  addAllowlistUserEntriesFromConfigEntry,
   buildAllowlistResolutionSummary,
   mergeAllowlist,
   patchAllowlistUsersInConfigEntries,
@@ -305,19 +306,7 @@ export async function monitorSlackProvider(opts: MonitorSlackOpts = {}) {
       if (channelsConfig && Object.keys(channelsConfig).length > 0) {
         const userEntries = new Set<string>();
         for (const channel of Object.values(channelsConfig)) {
-          if (!channel || typeof channel !== "object") {
-            continue;
-          }
-          const channelUsers = (channel as { users?: Array<string | number> }).users;
-          if (!Array.isArray(channelUsers)) {
-            continue;
-          }
-          for (const entry of channelUsers) {
-            const trimmed = String(entry).trim();
-            if (trimmed && trimmed !== "*") {
-              userEntries.add(trimmed);
-            }
-          }
+          addAllowlistUserEntriesFromConfigEntry(userEntries, channel);
         }
 
         if (userEntries.size > 0) {