diff --git a/src/platforms/modrinth/modrinth-project.ts b/src/platforms/modrinth/modrinth-project.ts
new file mode 100644
index 0000000..76783a8
--- /dev/null
+++ b/src/platforms/modrinth/modrinth-project.ts
@@ -0,0 +1,324 @@
+/**
+ * Represents a Modrinth project.
+ */
+export interface ModrinthProject {
+    /**
+     * The unique identifier of the project.
+     */
+    id: string;
+
+    /**
+     * A URL-friendly string that represents the project.
+     */
+    slug: string;
+
+    /**
+     * The title of the project.
+     */
+    title: string;
+
+    /**
+     * A short description of the project.
+     */
+    description: string;
+
+    /**
+     * An array of categories the project belongs to.
+     */
+    categories: string[];
+
+    /**
+     * Indicates if the client-side is required or optional.
+     */
+    client_side: "required" | "optional" | "unsupported";
+
+    /**
+     * Indicates if the server-side is required or optional.
+     */
+    server_side: "required" | "optional" | "unsupported";
+
+    /**
+     * A detailed description of the project.
+     */
+    body: string;
+
+    /**
+     * An array of additional categories the project belongs to.
+     */
+    additional_categories: string[];
+
+    /**
+     * A URL pointing to the project's issue tracker.
+     */
+    issues_url: string;
+
+    /**
+     * A URL pointing to the project's source code repository.
+     */
+    source_url: string;
+
+    /**
+     * A URL pointing to the project's wiki.
+     */
+    wiki_url: string;
+
+    /**
+     * A URL pointing to the project's Discord server.
+     */
+    discord_url: string;
+
+    /**
+     * An array of donation URLs for the project.
+     */
+    donation_urls: {
+        /**
+         * The unique identifier of the donation platform.
+         */
+        id: string;
+
+        /**
+         * The name of the donation platform.
+         */
+        platform: string;
+
+        /**
+         * The URL of the donation page for the project.
+         */
+        url: string;
+    }[];
+
+    /**
+     * The type of the project.
+     */
+    project_type: "mod" | "modpack" | "resourcepack" | "shader";
+
+    /**
+     * The number of downloads for the project.
+     */
+    downloads: number;
+
+    /**
+     * A URL pointing to the project's icon.
+     */
+    icon_url: string;
+
+    /**
+     * An integer representing the color of the project.
+     */
+    color: number;
+
+    /**
+     * The unique identifier of the team associated with the project.
+     */
+    team: string;
+
+    /**
+     * A URL pointing to the project's body.
+     */
+    body_url?: string;
+
+    /**
+     * A message from the moderator related to the project.
+     */
+    moderator_message?: string;
+
+    /**
+     * A string representing the date when the project was published.
+     */
+    published: string;
+
+    /**
+     * A string representing the date when the project was last updated.
+     */
+    updated: string;
+
+    /**
+     * A string representing the date when the project was approved.
+     */
+    approved: string;
+
+    /**
+     * The number of followers for the project.
+     */
+    followers: number;
+
+    /**
+     * The current status of the project.
+     */
+    status: "approved" | "archived" | "rejected" | "draft" | "unlisted" | "processing" | "withheld" | "scheduled" | "private" | "unknown";
+
+    /**
+     * An object representing the license of the project.
+     */
+    license: {
+        /**
+         * The unique identifier of the license.
+         */
+        id: string;
+
+        /**
+         * The full name of the license.
+         */
+        name: string;
+
+        /**
+         * The URL of the license's official website.
+         */
+        url: string;
+    };
+
+    /**
+     * An array of unique identifiers of the project's versions.
+     */
+    versions: string[];
+
+    /**
+     * An array of game versions the project supports.
+     */
+    game_versions: string[];
+
+    /**
+     * An array of loaders supported by the project.
+     */
+    loaders: string[];
+
+    /**
+     * An array of images in the project's gallery.
+     */
+    gallery: {
+        /**
+         * The URL of the image.
+         */
+        url: string;
+
+        /**
+         * Indicates if the image is featured.
+         */
+        featured: boolean;
+
+        /**
+         * The title of the image.
+         */
+        title: string;
+
+        /**
+         * A description of the image.
+         */
+        description: string;
+
+        /**
+         * A string representing the date when the image was created.
+         */
+        created: string;
+
+        /**
+         * An integer representing the order of the image in the gallery.
+         */
+        ordering: number;
+    }[];
+}
+
+/**
+ * Options needed to update a Modrinth Project.
+ */
+export interface ModrinthProjectPatch {
+    /**
+     * The unique identifier of the project.
+     */
+    id: string;
+
+    /**
+     * A URL-friendly string that represents the project.
+     */
+    slug?: string;
+
+    /**
+     * The title of the project.
+     */
+    title?: string;
+
+    /**
+     * A short description of the project.
+     */
+    description?: string;
+
+    /**
+     * An array of categories the project belongs to.
+     */
+    categories?: string[];
+
+    /**
+     * Indicates if the client-side is required or optional.
+     */
+    client_side?: "required" | "optional" | "unsupported";
+
+    /**
+     * Indicates if the server-side is required or optional.
+     */
+    server_side?: "required" | "optional" | "unsupported";
+
+    /**
+     * A detailed description of the project.
+     */
+    body?: string;
+
+    /**
+     * An array of additional categories the project belongs to.
+     */
+    additional_categories?: string[];
+
+    /**
+     * A URL pointing to the project's issue tracker.
+     */
+    issues_url?: string;
+
+    /**
+     * A URL pointing to the project's source code repository.
+     */
+    source_url?: string;
+
+    /**
+     * A URL pointing to the project's wiki.
+     */
+    wiki_url?: string;
+
+    /**
+     * A URL pointing to the project's Discord server.
+     */
+    discord_url?: string;
+
+    /**
+     * An array of donation URLs for the project.
+     */
+    donation_urls?: {
+        /**
+         * The unique identifier of the donation platform.
+         */
+        id: string;
+
+        /**
+         * The name of the donation platform.
+         */
+        platform: string;
+
+        /**
+         * The URL of the donation page for the project.
+         */
+        url: string;
+    }[];
+
+    /**
+     * The current status of the project.
+     */
+    status?: "approved" | "archived" | "rejected" | "draft" | "unlisted" | "processing" | "withheld" | "scheduled" | "private" | "unknown";
+
+    /**
+     * The unique identifier of the license.
+     */
+    license_id?: string;
+
+    /**
+     * The URL of the license's official website.
+     */
+    license_url?: string;
+}