diff --git a/src/request/request.ts b/src/request/request.ts
index 0923f16..15b6ede 100644
--- a/src/request/request.ts
+++ b/src/request/request.ts
@@ -121,7 +121,7 @@ export function getObservedComposedResources(req: RunFunctionRequest): { [key: s
  * }
  * ```
  */
-export function getInput(req: RunFunctionRequest): { [key: string]: any } | undefined {
+export function getInput(req: RunFunctionRequest): Record<string, unknown> | undefined {
   return req.input;
 }
 
@@ -147,7 +147,7 @@ export function getInput(req: RunFunctionRequest): { [key: string]: any } | unde
  * }
  * ```
  */
-export function getContextKey(req: RunFunctionRequest, key: string): [any, boolean] {
+export function getContextKey(req: RunFunctionRequest, key: string): [unknown, boolean] {
   if (req.context && key in req.context) {
     return [req.context[key], true];
   }
diff --git a/src/resource/resource.ts b/src/resource/resource.ts
index ce011ba..bd10619 100644
--- a/src/resource/resource.ts
+++ b/src/resource/resource.ts
@@ -43,10 +43,15 @@ export function newDesiredComposed(): DesiredComposed {
  * Convert a protobuf Struct to a Kubernetes object (plain JavaScript object)
  * This is a more efficient conversion that avoids JSON round-trips when possible
  *
+ * Note: This function is ported from the Go SDK for API compatibility.
+ * In TypeScript, this is a pass-through operation since JavaScript objects
+ * work directly with the protobuf library. This function may be deprecated
+ * in a future version once usage patterns are better understood.
+ *
  * @param struct - The protobuf Struct to convert
  * @returns A plain JavaScript object representing the Kubernetes resource
  */
-export function asObject(struct: { [key: string]: any } | undefined): { [key: string]: any } {
+export function asObject(struct: Record<string, unknown> | undefined): Record<string, unknown> {
   if (!struct) {
     return {};
   }
@@ -60,10 +65,15 @@ export function asObject(struct: { [key: string]: any } | undefined): { [key: st
  * Convert a Kubernetes object to a protobuf Struct
  * This is used when creating Resource objects from plain JavaScript objects
  *
+ * Note: This function is ported from the Go SDK for API compatibility.
+ * In TypeScript, this is a pass-through operation since JavaScript objects
+ * work directly with the protobuf library. This function may be deprecated
+ * in a future version once usage patterns are better understood.
+ *
  * @param obj - The plain JavaScript object to convert
  * @returns A protobuf Struct representation
  */
-export function asStruct(obj: { [key: string]: any }): { [key: string]: any } {
+export function asStruct(obj: Record<string, unknown>): Record<string, unknown> {
   // In our TypeScript implementation, this is essentially a pass-through
   // The actual conversion happens in the protobuf serialization layer
   return obj;
@@ -73,11 +83,16 @@ export function asStruct(obj: { [key: string]: any }): { [key: string]: any } {
  * Helper function for tests: Convert an object to a Struct, panics on failure
  * Only use this in test code
  *
+ * Note: This function is ported from the Go SDK for API compatibility.
+ * In TypeScript, this simply calls asStruct() which is a pass-through operation.
+ * This function may be deprecated in a future version once usage patterns are
+ * better understood.
+ *
  * @param obj - The object to convert
  * @returns A Struct representation
  * @throws Error if conversion fails
  */
-export function mustStructObject(obj: { [key: string]: any }): { [key: string]: any } {
+export function mustStructObject(obj: Record<string, unknown>): Record<string, unknown> {
   try {
     return asStruct(obj);
   } catch (error) {
@@ -91,13 +106,18 @@ export function mustStructObject(obj: { [key: string]: any }): { [key: string]:
  * Helper function for tests: Parse a JSON string into a Struct, panics on failure
  * Only use this in test code
  *
+ * Note: This function is ported from the Go SDK for API compatibility.
+ * In TypeScript, this parses JSON and calls asStruct() which is a pass-through operation.
+ * Consider using JSON.parse() directly. This function may be deprecated in a future
+ * version once usage patterns are better understood.
+ *
  * @param json - The JSON string to parse
  * @returns A Struct representation
  * @throws Error if parsing or conversion fails
  */
-export function mustStructJSON(json: string): { [key: string]: any } {
+export function mustStructJSON(json: string): Record<string, unknown> {
   try {
-    const obj = JSON.parse(json);
+    const obj = JSON.parse(json) as Record<string, unknown>;
     return asStruct(obj);
   } catch (error) {
     throw new Error(
@@ -116,7 +136,7 @@ export function mustStructJSON(json: string): { [key: string]: any } {
  * @returns A Resource
  */
 export function fromObject(
-  obj: { [key: string]: any },
+  obj: Record<string, unknown>,
   connectionDetails?: ConnectionDetails,
   ready?: Ready
 ): Resource {
@@ -134,6 +154,6 @@ export function fromObject(
  * @param resource - The Resource to extract from
  * @returns The plain JavaScript object, or undefined if not present
  */
-export function toObject(resource: Resource): { [key: string]: any } | undefined {
+export function toObject(resource: Resource): Record<string, unknown> | undefined {
   return resource.resource;
 }
diff --git a/src/response/response.ts b/src/response/response.ts
index b932849..af45c27 100644
--- a/src/response/response.ts
+++ b/src/response/response.ts
@@ -263,7 +263,7 @@ export function setDesiredComposedResources(
  */
 export function setDesiredResources(
   rsp: RunFunctionResponse,
-  resources: { [key: string]: { [key: string]: any } }
+  resources: Record<string, Record<string, unknown>>
 ): RunFunctionResponse {
   // Ensure desired state exists
   if (!rsp.desired) {
@@ -337,7 +337,7 @@ export function setDesiredCompositeStatus({
   status,
 }: {
   rsp: RunFunctionResponse;
-  status: { [key: string]: any };
+  status: Record<string, unknown>;
 }): RunFunctionResponse {
   // Ensure desired state exists
   if (!rsp.desired) {
@@ -357,7 +357,7 @@ export function setDesiredCompositeStatus({
   // Merge the status
   rsp.desired.composite.resource = merge(rsp.desired.composite.resource, {
     status: status,
-  }) as { [key: string]: any };
+  }) as Record<string, unknown>;
 
   return rsp;
 }
@@ -384,7 +384,7 @@ export function setDesiredCompositeStatus({
 export function setContextKey(
   rsp: RunFunctionResponse,
   key: string,
-  value: any
+  value: unknown
 ): RunFunctionResponse {
   if (!rsp.context) {
     rsp.context = {};
@@ -459,7 +459,7 @@ export function setDesiredCompositeResource(
  */
 export function setOutput(
   rsp: RunFunctionResponse,
-  output: { [key: string]: any }
+  output: Record<string, unknown>
 ): RunFunctionResponse {
   rsp.output = output;
   return rsp;