diff --git a/client/package.json b/client/package.json
index e2ac1b7..5ff6838 100644
--- a/client/package.json
+++ b/client/package.json
@@ -13,7 +13,7 @@
     "start": "next start"
   },
   "dependencies": {
-    "@ada-anvil/metadraft-validator": "^0.1.2",
+    "@ada-anvil/metadraft-validator": "^0.1.3",
     "@radix-ui/react-label": "^2.1.0",
     "@radix-ui/react-slot": "^1.1.0",
     "@t3-oss/env-nextjs": "^0.10.1",
diff --git a/core/cli/src/mod.ts b/core/cli/src/mod.ts
index 214892b..1b24508 100644
--- a/core/cli/src/mod.ts
+++ b/core/cli/src/mod.ts
@@ -12,7 +12,7 @@ yargs(Deno.args)
   .command(
     "validate",
     "Validate metadata using a template",
-    (yargs) => {
+    (yargs: any) => {
       return yargs
         .option("m", {
           alias: "metadata-to-validate",
diff --git a/core/cli/src/types.ts b/core/cli/src/types.ts
new file mode 100644
index 0000000..c2826f2
--- /dev/null
+++ b/core/cli/src/types.ts
@@ -0,0 +1,44 @@
+/**
+ * A union type representing validation states: success, warning, or error.
+ */
+export type State = "success" | "warning" | "error";
+
+/**
+ * Type representing a validation result containing state, message, input, output (optional), assetName, and validatorId.
+ */
+export interface Result {
+  /**
+   * The current validation state.
+   */
+  state: State;
+
+  /**
+   * An optional message or object associated with the validation result. Defaults to `undefined`.
+   */
+  message: string | object | undefined;
+
+  /**
+   * The input data that was validated.
+   */
+  input: unknown;
+
+  /**
+   * The output data resulting from successful validation (optional). Set to `undefined` when there is an error/warning.
+   */
+  output: unknown | undefined;
+
+  /**
+   * The name of the asset being validated.
+   */
+  assetName: string;
+
+  /**
+   * The identifier for the validator used in this result.
+   */
+  validatorId: string;
+}
+
+/**
+ * Type representing a record containing data keyed by string.
+ */
+export type DataRead = Record<string, unknown>;
diff --git a/core/cli/src/validate.ts b/core/cli/src/validate.ts
index 763118f..cdb9457 100644
--- a/core/cli/src/validate.ts
+++ b/core/cli/src/validate.ts
@@ -9,6 +9,7 @@ import { loadTemplates } from "./load-rules.ts";
 import { Message, summarize } from "./report.ts";
 import { DIVIDER } from "./contstant.ts";
 import { extractOptions } from "./utils.ts";
+import { DataRead, Result } from "./types.ts";
 
 export async function validate(
   metadataPath: string,
@@ -37,7 +38,12 @@ export async function validate(
   const reader = ReaderFactory.createReader(
     metadataPath.substring(metadataPath.lastIndexOf(".") + 1).toLowerCase(),
   );
-  const metadatas: object[] = await reader.Load(metadataPath);
+  reader.Load(metadataPath);
+  const metadatas: DataRead[] | null = reader.Read();
+
+  if (!metadatas) {
+    throw new Error("No metadatas loaded");
+  }
 
   // 4. Run the validation on each asset in the metadata input
   for (const metadata of metadatas) {
@@ -48,7 +54,7 @@ export async function validate(
       metadatas,
     );
   }
-  const result = main.GetResults();
+  const result: Result[] = main.GetResults();
 
   // 4. Save the report on the local FS
   fs.writeFileSync(
diff --git a/core/validator/deno.json b/core/validator/deno.json
index caa826e..b5e0c9c 100644
--- a/core/validator/deno.json
+++ b/core/validator/deno.json
@@ -1,6 +1,6 @@
 {
   "name": "@ada-anvil/metadraft-validator",
-  "version": "0.1.2",
+  "version": "0.1.3",
   "exports": "./src/mod.ts",
   "imports": {
     "@deno/dnt": "jsr:@deno/dnt@^0.41.2",
diff --git a/core/validator/src/reader/index.ts b/core/validator/src/reader/index.ts
index fca7446..7c045da 100644
--- a/core/validator/src/reader/index.ts
+++ b/core/validator/src/reader/index.ts
@@ -20,10 +20,10 @@ export abstract class BaseReader implements IReader {
   /**
    * Loads data from a specified path or uses provided data.
    *
-   * @param {string | PromiseLike<string>} _pathOrData - The file path or data to load.
-   * @return {Promise<object> | object} The loaded data.
+   * @param {string} _pathOrData - The file path or data to load.
+   * @return {DataRead[]} The loaded data.
    */
-  Load(_pathOrData: string): Promise<object> | object {
+  Load(_pathOrData: string): DataRead[] {
     throw new Error("Method not implemented.");
   }
   /**
diff --git a/core/validator/src/reader/readers/csv.ts b/core/validator/src/reader/readers/csv.ts
index cb1fe50..6e4e605 100644
--- a/core/validator/src/reader/readers/csv.ts
+++ b/core/validator/src/reader/readers/csv.ts
@@ -42,10 +42,10 @@ export class CsvReader extends BaseReader {
   /**
    * Loads CSV data from a specified path or uses provided CSV data string.
    *
-   * @param {string | PromiseLike<string>} pathOrData - The file path containing CSV data or the CSV data as a string.
-   * @return {object[]} An array of objects representing the parsed CSV data.
+   * @param {string} pathOrData - The file path containing CSV data or the CSV data as a string.
+   * @return {DataRead[]} An array of objects representing the parsed CSV data.
    */
-  Load(pathOrData: string): object {
+  Load(pathOrData: string): DataRead[] {
     const reader = csvToJson
       .formatValueByType(this.options.valueByType)
       .fieldDelimiter(this.options.delimiter)
diff --git a/core/validator/src/reader/readers/json.ts b/core/validator/src/reader/readers/json.ts
index 5767e83..4735279 100644
--- a/core/validator/src/reader/readers/json.ts
+++ b/core/validator/src/reader/readers/json.ts
@@ -20,10 +20,10 @@ export class JsonReader extends BaseReader {
   /**
    * Loads JSON data from a specified path or uses provided JSON data string.
    *
-   * @param {string | PromiseLike<string>} pathOrData - The file path containing JSON data or the JSON data as a string.
-   * @return {object} The loaded JSON data as an object.
+   * @param {string} pathOrData - The file path containing JSON data or the JSON data as a string.
+   * @return {DataRead[]} The loaded JSON data as an object.
    */
-  Load(pathOrData: string): object {
+  Load(pathOrData: string): DataRead[] {
     if (isValidPath(pathOrData)) {
       this.data = JSON.parse(readFileSync(pathOrData, "utf8"));
     } else {
diff --git a/core/validator/src/rules/has-required-keys.ts b/core/validator/src/rules/has-required-keys.ts
index e8f3902..382493d 100644
--- a/core/validator/src/rules/has-required-keys.ts
+++ b/core/validator/src/rules/has-required-keys.ts
@@ -53,16 +53,16 @@ export class HasRequiredKeysValidator extends BaseValidator {
 
     const keys = Object.keys(metadata as object);
 
-    const policyId = ["name", "image"];
+    const requiredKeys = ["name", "image"];
 
-    const hasAllRequiredKeys = policyId.every((requiredKey) =>
+    const hasAllRequiredKeys = requiredKeys.every((requiredKey) =>
       keys.some((key) => key === requiredKey),
     );
 
     return getStates(
       {
         state: hasAllRequiredKeys ? "success" : "error",
-        message: `Required keys missing: ["name", "description", "image", "mediaType"]. Keys received: ${keys.join(", ")}`,
+        message: `Required keys missing: ["name", "image"]. Keys received: ${keys.join(", ")}`,
       },
       "All required keys are present.",
       assetName,
diff --git a/core/validator/src/utils/types.ts b/core/validator/src/utils/types.ts
index 22b7fed..59902e2 100644
--- a/core/validator/src/utils/types.ts
+++ b/core/validator/src/utils/types.ts
@@ -56,7 +56,7 @@ export interface Result {
   /**
    * An optional message or object associated with the validation result. Defaults to `undefined`.
    */
-  message?: string | object | undefined;
+  message: string | object | undefined;
 
   /**
    * The input data that was validated.
@@ -66,7 +66,7 @@ export interface Result {
   /**
    * The output data resulting from successful validation (optional). Set to `undefined` when there is an error/warning.
    */
-  output?: unknown | undefined;
+  output: unknown | undefined;
 
   /**
    * The name of the asset being validated.