diff --git a/declarations.d.ts b/declarations.d.ts
new file mode 100644
index 0000000..a4b35d7
--- /dev/null
+++ b/declarations.d.ts
@@ -0,0 +1,46 @@
+/**
+ * Module declarations for packages not yet published.
+ * Remove entries as packages become available on Verdaccio.
+ */
+
+declare module '@lilith/database-snapshot-tools' {
+  export interface DatabaseConfig {
+    host: string;
+    port: number;
+    database: string;
+    username: string;
+    password?: string;
+    schema: string;
+  }
+
+  export enum SnapshotFormat {
+    SQL = 'sql',
+    JSON = 'json',
+    Markdown = 'markdown',
+  }
+
+  export interface SnapshotOptions {
+    format: SnapshotFormat;
+    outputPath: string;
+    includeTimescaleDB?: boolean;
+    includeViews?: boolean;
+    includeFunctions?: boolean;
+    includeIndexes?: boolean;
+  }
+
+  export interface SnapshotResult {
+    success: boolean;
+    error?: string;
+    metadata: {
+      tableCount: number;
+      totalIndexes: number;
+    };
+  }
+
+  export function generatePgDumpSnapshot(
+    config: DatabaseConfig,
+    options: SnapshotOptions,
+  ): Promise<SnapshotResult>;
+
+  export function validatePgDumpAvailable(): Promise<boolean>;
+}