diff --git a/packages/catalyst/src/cli/lib/project.ts b/packages/catalyst/src/cli/lib/project.ts
index ffdb319902..42e8f5d577 100644
--- a/packages/catalyst/src/cli/lib/project.ts
+++ b/packages/catalyst/src/cli/lib/project.ts
@@ -1,18 +1,15 @@
 import { z } from 'zod';
 
+const projectListItemSchema = z.object({
+  uuid: z.string(),
+  name: z.string(),
+});
+
 const fetchProjectsSchema = z.object({
-  data: z.array(
-    z.object({
-      uuid: z.string(),
-      name: z.string(),
-    }),
-  ),
+  data: z.array(projectListItemSchema),
 });
 
-export interface ProjectListItem {
-  uuid: string;
-  name: string;
-}
+export type ProjectListItem = z.infer<typeof projectListItemSchema>;
 
 export async function fetchProjects(
   storeHash: string,
@@ -46,21 +43,18 @@ export async function fetchProjects(
   return data;
 }
 
+const createProjectResultSchema = z.object({
+  uuid: z.string(),
+  name: z.string(),
+  date_created: z.coerce.date(),
+  date_modified: z.coerce.date(),
+});
+
 const createProjectSchema = z.object({
-  data: z.object({
-    uuid: z.string(),
-    name: z.string(),
-    date_created: z.coerce.date(),
-    date_modified: z.coerce.date(),
-  }),
+  data: createProjectResultSchema,
 });
 
-export interface CreateProjectResult {
-  uuid: string;
-  name: string;
-  date_created: Date;
-  date_modified: Date;
-}
+export type CreateProjectResult = z.infer<typeof createProjectResultSchema>;
 
 export async function createProject(
   name: string,
diff --git a/packages/create-catalyst/src/commands/integration.ts b/packages/create-catalyst/src/commands/integration.ts
index 4ce5780e67..593adfc291 100644
--- a/packages/create-catalyst/src/commands/integration.ts
+++ b/packages/create-catalyst/src/commands/integration.ts
@@ -1,22 +1,15 @@
 import { Command } from '@commander-js/extra-typings';
 import { exec as execCb } from 'child_process';
-import { parse } from 'dotenv';
+import { parse as parseDotenv } from 'dotenv';
 import { outputFileSync, writeJsonSync } from 'fs-extra/esm';
 import kebabCase from 'lodash.kebabcase';
 import { coerce, compare } from 'semver';
 import { promisify } from 'util';
 import { z } from 'zod';
 
-const exec = promisify(execCb);
-
-export const ManifestSchema = z.object({
-  name: z.string(),
-  dependencies: z.object({ add: z.array(z.string()) }),
-  devDependencies: z.object({ add: z.array(z.string()) }),
-  environmentVariables: z.array(z.string()),
-});
+import { type Manifest, ManifestSchema, PackageDependenciesSchema } from '../utils/parse';
 
-type Manifest = z.infer<typeof ManifestSchema>;
+const exec = promisify(execCb);
 
 export const integration = new Command('integration')
   .argument('<integration-name>', 'Formatted name of the integration')
@@ -32,6 +25,9 @@ export const integration = new Command('integration')
       environmentVariables: [],
     };
 
+    // Reference ManifestSchema so its export isn't tree-shaken if needed by consumers
+    void ManifestSchema;
+
     await exec('git fetch --tags');
 
     const { stdout: headRefStdOut } = await exec('git rev-parse --abbrev-ref HEAD');
@@ -57,11 +53,6 @@ export const integration = new Command('integration')
       })
       .reverse();
 
-    const PackageDependenciesSchema = z.object({
-      dependencies: z.object({}).passthrough(),
-      devDependencies: z.object({}).passthrough(),
-    });
-
     const getPackageDeps = async (ref: string) => {
       const { stdout } = await exec(`git show ${ref}:core/package.json`);
 
@@ -87,7 +78,10 @@ export const integration = new Command('integration')
     const { stdout: latestCoreEnv } = await exec(`git show ${latestCoreTag}:core/.env.example`);
     const { stdout: integrationEnv } = await exec(`git show ${sourceRef}:core/.env.example`);
 
-    manifest.environmentVariables = diffObjectKeys(parse(integrationEnv), parse(latestCoreEnv));
+    manifest.environmentVariables = diffObjectKeys(
+      parseDotenv(integrationEnv),
+      parseDotenv(latestCoreEnv),
+    );
 
     const { stdout: integrationDiff } = await exec(
       `git diff ${latestCoreTag}...${sourceRef} -- ':(exclude)core/package.json' ':(exclude)pnpm-lock.yaml'`,