diff --git a/apps/nextjs/src/app/api/chat/chatHandler.ts b/apps/nextjs/src/app/api/chat/chatHandler.ts
index 1d79bc5f7..ea63c4ecd 100644
--- a/apps/nextjs/src/app/api/chat/chatHandler.ts
+++ b/apps/nextjs/src/app/api/chat/chatHandler.ts
@@ -66,7 +66,10 @@ function reportErrorTelemetry(
   error: Error,
   errorType: string,
   statusMessage: string,
-  additionalAttributes: Record<string, unknown> = {},
+  additionalAttributes: Record<
+    string,
+    string | number | boolean | undefined
+  > = {},
 ) {
   span.setTag("error", true);
   span.setTag("error.type", errorType);
diff --git a/apps/nextjs/src/app/api/chat/config.ts b/apps/nextjs/src/app/api/chat/config.ts
index 5ffe10205..53625f0e8 100644
--- a/apps/nextjs/src/app/api/chat/config.ts
+++ b/apps/nextjs/src/app/api/chat/config.ts
@@ -1,5 +1,4 @@
 import { Aila, AilaInitializationOptions } from "@oakai/aila";
-import { TracingSpan } from "@oakai/core/src/tracing/serverTracing";
 import {
   prisma as globalPrisma,
   type PrismaClientWithAccelerate,
diff --git a/apps/nextjs/src/utils/testHelpers/tracing.ts b/apps/nextjs/src/utils/testHelpers/tracing.ts
index e65154d5d..e3d3633de 100644
--- a/apps/nextjs/src/utils/testHelpers/tracing.ts
+++ b/apps/nextjs/src/utils/testHelpers/tracing.ts
@@ -18,7 +18,7 @@ export function expectTracingSpan(operationName: string) {
         ).toBeFalsy();
       },
     },
-    toHaveBeenExecutedWith: (expectedTags: Record<string, any>) => {
+    toHaveBeenExecutedWith: (expectedTags: Record<string, string | number>) => {
       const span = mockTracer.spans.find(
         (span) => span.tags["operation.name"] === operationName,
       );
diff --git a/packages/core/src/tracing/mockTracer.ts b/packages/core/src/tracing/mockTracer.ts
index a5a4dda54..9b645708d 100644
--- a/packages/core/src/tracing/mockTracer.ts
+++ b/packages/core/src/tracing/mockTracer.ts
@@ -1,8 +1,8 @@
 import { TracingSpan } from "./serverTracing";
 
 class MockSpan implements TracingSpan {
-  tags: Record<string, any> = {};
-  setTag(key: string, value: any) {
+  tags: Record<string, string | number | boolean | undefined> = {};
+  setTag(key: string, value: string | number | boolean | undefined) {
     this.tags[key] = value;
   }
   finish() {}
@@ -13,8 +13,8 @@ class MockTracer {
 
   trace(
     name: string,
-    options: any,
-    callback: (span: TracingSpan) => Promise<any>,
+    options: Record<string, string | number>,
+    callback: (span: TracingSpan) => Promise<unknown>,
   ) {
     const span = new MockSpan();
     span.setTag("operation.name", name);
diff --git a/packages/core/src/tracing/serverTracing.ts b/packages/core/src/tracing/serverTracing.ts
index 06da0f30a..b851a0037 100644
--- a/packages/core/src/tracing/serverTracing.ts
+++ b/packages/core/src/tracing/serverTracing.ts
@@ -4,7 +4,7 @@ import { mockTracer } from "./mockTracer";
 initializeTracer({});
 
 export interface TracingSpan {
-  setTag: (key: string, value: any) => void;
+  setTag: (key: string, value: string | number | boolean | undefined) => void;
   finish: () => void;
 }
 
@@ -13,17 +13,29 @@ export const tracer = isTest
   : (baseTracer as unknown as {
       trace: (
         name: string,
-        options: any,
-        callback: (span: TracingSpan) => Promise<any>,
-      ) => Promise<any>;
+        options: Record<string, string | number | boolean>,
+        callback: (span: TracingSpan) => Promise<unknown>,
+      ) => Promise<unknown>;
     });
 
 export function withTelemetry<T>(
   operationName: string,
-  options: Record<string, any>,
+  options: Record<string, string | number | boolean | undefined>,
   handler: (span: TracingSpan) => Promise<T>,
 ): Promise<T> {
-  return tracer.trace(operationName, options, async (span) => {
+  const stringifiedOptions: Record<string, string | number> = Object.entries(
+    options,
+  ).reduce((acc, [key, value]) => {
+    if (value !== undefined) {
+      return {
+        ...acc,
+        [key]: typeof value === "boolean" ? value.toString() : value,
+      };
+    }
+    return acc;
+  }, {});
+
+  return tracer.trace(operationName, stringifiedOptions, async (span) => {
     try {
       return await handler(span);
     } catch (error) {
@@ -31,7 +43,9 @@ export function withTelemetry<T>(
       if (error instanceof Error) {
         span.setTag("error_type", error.constructor.name);
         span.setTag("error_message", error.message);
-        span.setTag("error_stack", error.stack);
+        if (error.stack) {
+          span.setTag("error_stack", error.stack);
+        }
       } else {
         span.setTag("error_message", String(error));
       }
@@ -39,5 +53,5 @@ export function withTelemetry<T>(
     } finally {
       span.finish();
     }
-  });
+  }) as Promise<T>;
 }