src/app/routes/api/telemetry/beacon.ts

@@ -41,6 +41,13 @@ const writeEvents = async (
   events: BeaconEvent[],
   base: { sessionId: string; playerId?: string; userAgent?: string }
 ) => {
+  const { isExcludedPlayerId } = await import("@/lib/telemetry/exclusions.server");
+  if (base.playerId && (await isExcludedPlayerId(base.playerId))) {
+    // Excluded players still report errors; their usage stays out.
+    events = events.filter((event) => event.kind === "error");
+    if (events.length === 0) return;
+  }
+
   const { pbAdmin } = await import("@/lib/pocketbase/client");
   await pbAdmin.authPromise;
 

src/lib/telemetry/auth-events.server.ts

@@ -1,4 +1,5 @@
 import { Logger } from "@/lib/logger";
+import { isExcludedPhone, isExcludedPlayerId } from "./exclusions.server";
 
 const logger = new Logger("Telemetry");
 
@@ -12,6 +13,8 @@ interface AuthEventInput {
 export const recordAuthEvent = (name: string, input: AuthEventInput) => {
   void (async () => {
     try {
+      if (isExcludedPhone(input.phone)) return;
+
       const { pbAdmin } = await import("@/lib/pocketbase/client");
       await pbAdmin.authPromise;
 
@@ -35,6 +38,8 @@ export const recordAuthEvent = (name: string, input: AuthEventInput) => {
         } catch {}
       }
 
+      if (await isExcludedPlayerId(playerId)) return;
+
       await pbAdmin.createActivity({
         name,
         player: playerId,

src/lib/telemetry/exclusions.server.test.ts

@@ -0,0 +1,37 @@
+import { afterEach, describe, expect, it, vi } from "vitest";
+
+vi.mock("@/lib/logger", () => ({
+  Logger: class {
+    error() {}
+    info() {}
+  },
+}));
+
+import { isExcludedPhone } from "./exclusions.server";
+
+const ENV_KEY = "TELEMETRY_EXCLUDE_PHONES";
+
+afterEach(() => {
+  delete process.env[ENV_KEY];
+});
+
+describe("isExcludedPhone", () => {
+  it("matches exact and formatted variants of a configured phone", () => {
+    process.env[ENV_KEY] = "+17135550142";
+    expect(isExcludedPhone("+17135550142")).toBe(true);
+    expect(isExcludedPhone("+1 (713) 555-0142")).toBe(true);
+    expect(isExcludedPhone("+17135550143")).toBe(false);
+  });
+
+  it("supports a comma-separated list with whitespace", () => {
+    process.env[ENV_KEY] = "+17135550142, +14155550100";
+    expect(isExcludedPhone("+14155550100")).toBe(true);
+  });
+
+  it("excludes nothing when unset or empty", () => {
+    expect(isExcludedPhone("+17135550142")).toBe(false);
+    process.env[ENV_KEY] = "";
+    expect(isExcludedPhone("+17135550142")).toBe(false);
+    expect(isExcludedPhone(undefined)).toBe(false);
+  });
+});

src/lib/telemetry/exclusions.server.ts

@@ -0,0 +1,49 @@
+import { Logger } from "@/lib/logger";
+
+const logger = new Logger("Telemetry");
+
+const CACHE_TTL_MS = 10 * 60 * 1000;
+
+const normalizePhone = (phone: string): string => phone.replace(/[^\d+]/g, "");
+
+const excludedPhones = (): string[] =>
+  (process.env.TELEMETRY_EXCLUDE_PHONES ?? "")
+    .split(",")
+    .map((phone) => normalizePhone(phone.trim()))
+    .filter(Boolean);
+
+export const isExcludedPhone = (phone?: string): boolean =>
+  !!phone && excludedPhones().includes(normalizePhone(phone));
+
+let cache: { playerIds: Set<string>; expiresAt: number } | null = null;
+
+export const getExcludedPlayerIds = async (): Promise<Set<string>> => {
+  const now = Date.now();
+  if (cache && cache.expiresAt > now) return cache.playerIds;
+
+  const playerIds = new Set<string>();
+  const phones = excludedPhones();
+
+  if (phones.length > 0) {
+    try {
+      const SuperTokens = (await import("supertokens-node")).default;
+      const { pbAdmin } = await import("@/lib/pocketbase/client");
+      for (const phoneNumber of phones) {
+        const users = await SuperTokens.listUsersByAccountInfo("public", { phoneNumber });
+        const authId = users[0]?.id;
+        if (!authId) continue;
+        const player = await pbAdmin.getPlayerByAuthId(authId);
+        if (player) playerIds.add(player.id);
+      }
+    } catch (error) {
+      logger.error("Failed to resolve telemetry exclusions", error);
+      return playerIds;
+    }
+  }
+
+  cache = { playerIds, expiresAt: now + CACHE_TTL_MS };
+  return playerIds;
+};
+
+export const isExcludedPlayerId = async (playerId?: string): Promise<boolean> =>
+  !!playerId && (await getExcludedPlayerIds()).has(playerId);

src/utils/activities.test.ts

@@ -20,6 +20,11 @@ vi.mock("@/lib/logger", () => ({
   },
 }));
 
+vi.mock("@/lib/telemetry/exclusions.server", () => ({
+  isExcludedPlayerId: async (playerId?: string) => playerId === "excluded-player",
+  isExcludedPhone: () => false,
+}));
+
 import { recordDeniedServerFn, serverFnLoggingMiddleware } from "./activities";
 import { setRequestActor } from "@/lib/telemetry/request-context.server";
 import { redirect } from "@tanstack/react-router";
@@ -303,6 +308,20 @@ describe("serverFnLoggingMiddleware control flow and dedup", () => {
     expect(h.createActivity.mock.calls[0][0].error).toContain("FORBIDDEN");
   });
 
+  it("does not record activity for excluded players", async () => {
+    setRequest("http://localhost:3000/_serverFn/doThing");
+    setRequestActor(h.request as unknown as Request, { playerId: "excluded-player" });
+
+    await runMiddleware({
+      next: async () => successEnvelope,
+      data: undefined,
+      context: {},
+    });
+
+    await flushWrites();
+    expect(h.createActivity).not.toHaveBeenCalled();
+  });
+
   it("prefers the stashed request actor over middleware context", async () => {
     setRequest("http://localhost:3000/_serverFn/doThing");
     setRequestActor(h.request as unknown as Request, { playerId: "p9" });

src/utils/activities.ts

@@ -13,14 +13,17 @@ import type { ActivityInput } from "@/lib/pocketbase/services/activities";
 const logger = new Logger("Activities");
 
 export const recordActivity = (activity: ActivityInput) => {
-  import("@/lib/pocketbase/client")
-    .then(async ({ pbAdmin }) => {
+  void (async () => {
+    try {
+      const { isExcludedPlayerId } = await import("@/lib/telemetry/exclusions.server");
+      if (await isExcludedPlayerId(activity.player)) return;
+      const { pbAdmin } = await import("@/lib/pocketbase/client");
       await pbAdmin.authPromise;
       await pbAdmin.createActivity(activity);
-    })
-    .catch((activityError) => {
+    } catch (activityError) {
       logger.error("Failed to record activity", activityError);
-    });
+    }
+  })();
 };
 
 const auditErrorMessage = (