diff --git a/README.md b/README.md
index 0c33cd1..231d847 100644
--- a/README.md
+++ b/README.md
@@ -79,6 +79,7 @@ Welcome to your new catalog repo! The primary way to personalize this catalog is
   * `COLORS.tag`: Tag background color
 
 * **API & Behavior Settings:**
+  * `PLATFORM`: Coding platform used (default: 'github', Codeberg and GitLab support in development)
   * `API_BASE_URL`: Hugging Face API base URL (default: `"https://huggingface.co/api/"`)
   * `REFRESH_INTERVAL_DAYS`: Number of days to consider an item "new" (default: `30`)
   * `ADDITIONAL_REPOS`: Array of forked or non-org GitHub repositories to include, formatted `<owner>/<repo-name>` (non-forks are included by default). Use `[]` if there are none you wish to include
diff --git a/index.html b/index.html
index d18f913..7e96d4a 100644
--- a/index.html
+++ b/index.html
@@ -23,20 +23,18 @@
 </head>
 
 <body class="p-8 bg-gray-100 dark:bg-slate-900 transition-colors duration-200">
-    <!-- GitHub Ribbon -->
-    <a id="github-ribbon" href="#" target="_blank"
+    <!-- Code Repo Ribbon -->
+    <a id="repo-ribbon" href="#" target="_blank"
         class="fixed top-6 right-6 hidden md:flex items-center gap-3 text-white py-2 px-4 rounded-lg shadow-md transition-all z-50 no-underline group font-sans border border-white/10">
-        <!-- Github Logo -->
+        <!-- Code Platform Logo -->
         <div class="flex-shrink-0">
             <svg class="w-10 h-10 text-white" fill="currentColor" viewBox="0 0 24 24" aria-hidden="true">
-                <path fill-rule="evenodd"
-                    d="M12 2C6.477 2 2 6.484 2 12.017c0 4.425 2.865 8.18 6.839 9.504.5.092.682-.217.682-.483 0-.237-.008-.868-.013-1.703-2.782.605-3.369-1.343-3.369-1.343-.454-1.158-1.11-1.466-1.11-1.466-.908-.62.069-.608.069-.608 1.003.07 1.531 1.032 1.531 1.032.892 1.53 2.341 1.088 2.91.832.092-.647.35-1.088.636-1.338-2.22-.253-4.555-1.113-4.555-4.951 0-1.093.39-1.988 1.029-2.688-.103-.253-.446-1.272.098-2.65 0 0 .84-.27 2.75 1.026A9.564 9.564 0 0112 6.844c.85.004 1.705.115 2.504.337 1.909-1.296 2.747-1.027 2.747-1.027.546 1.379.202 2.398.1 2.651.64.7 1.028 1.595 1.028 2.688 0 3.848-2.339 4.695-4.566 4.943.359.309.678.92.678 1.855 0 1.338-.012 2.419-.012 2.747 0 .268.18.58.688.482A10.019 10.019 0 0022 12.017C22 6.484 17.522 2 12 2z"
-                    clip-rule="evenodd"></path>
+                <path id="repo-ribbon-icon" fill-rule="evenodd" clip-rule="evenodd"></path>
             </svg>
         </div>
         <div class="flex flex-col justify-center">
-            <!-- Github Text -->
-            <span class="font-normal text-base leading-tight mb-0.5">GitHub</span>
+            <!-- Platform Display Name -->
+            <span id="platform-display-name" class="font-normal text-base leading-tight mb-0.5"></span>
             <!-- Stats Container -->
             <div class="flex items-center gap-3 text-xs font-light text-indigo-100">
                 <!-- Version -->
diff --git a/main.js b/main.js
index 0462b5d..bf6c297 100644
--- a/main.js
+++ b/main.js
@@ -8,6 +8,8 @@
 
 import jsYaml from 'js-yaml';
 import { normalizeTag } from './src/normalizeTag.js';
+import { getPlatformApiUrls } from './src/defineApiUrls.js';
+import { getPlatformDisplay } from './src/defineRibbonVals.js';
 import { filterItems, sortItems } from './src/filterAndSort.js';
 import { filterNewAdditionalEntries } from './src/filterNewAdditionalEntries.js';
 
@@ -22,7 +24,8 @@ const configPromise = fetch('config.yaml')
 
 // Module-scope lets — assigned after config loads, used by all functions below
 let CONFIG;
-let ORGANIZATION_NAME, CATALOG_REPO_NAME, API_BASE_URL, REFRESH_INTERVAL_DAYS, ADDITIONAL_REPOS, ADDITIONAL_HF_REPOS;
+let ORGANIZATION_NAME, CATALOG_REPO_NAME, PLATFORM, API_BASE_URL, REFRESH_INTERVAL_DAYS, ADDITIONAL_REPOS, ADDITIONAL_HF_REPOS;
+let ORG_API_URL, REPO_API_URL;
 
 // Build a reverse lookup from TAG_GROUPS (defined in tag-groups.js): raw tag → [canonical tags]
 // A raw tag may appear in multiple groups, so the value is an array.
@@ -162,7 +165,7 @@ const getCurrentState = () => {
 //
 
 /**
- * Fetches items (code, datasets, models, or spaces) for a given organization from the GitHub or Hugging Face API.
+ * Fetches items (code, datasets, models, or spaces) for a given organization from the specified code platform or Hugging Face API.
  * @async
  * @param {string} repoType - The type of repository to fetch ("code", "datasets", "models", or "spaces").
  * @returns {Promise<Array>} An array of item objects.
@@ -178,18 +181,19 @@ const fetchHubItems = async (repoType) => {
     try {
         let items = [];
 
-        // github api requests for code
+        // Platform-specific api requests for code
         if (repoType === "code") {
             if (fetchedData.code) return allItems.code // reuse if already fetched
 
-            // Paginate through all public repos (GitHub API returns max 100 per page)
+            // Paginate through all public repos (Platform determines API max returns per page)
             let allRepos = [];
-            let nextUrl = `https://api.github.com/orgs/${ORGANIZATION_NAME}/repos?type=public&per_page=100`;
+            let nextUrl = `${ORG_API_URL}`;
             while (nextUrl) {
                 const ghResponse = await fetch(nextUrl);
 
                 if (!ghResponse.ok) {
-                    throw new Error(`GitHub error: ${ghResponse.status}`);
+                    const platformDisplay = getPlatformDisplay(PLATFORM);
+                    throw new Error(`${platformDisplay.displayName || PLATFORM} error: ${ghResponse.status}`);
                 }
 
                 const page = await ghResponse.json();
@@ -209,7 +213,7 @@ const fetchHubItems = async (repoType) => {
 
             const fetchedExternalData = await Promise.all(
                 toFetch.map(ownerRepo =>
-                    fetch(`https://api.github.com/repos/${ownerRepo}`)
+                    fetch(`${REPO_API_URL}${ownerRepo}`)
                         .then(r => {
                             if (!r.ok) {
                                 console.warn(`Failed to fetch additional repo "${ownerRepo}": HTTP ${r.status}`);
@@ -382,17 +386,19 @@ const fetchCatalogStats = async () => {
     };
 
     try {
+        //TODO: Update stars and forks to support other platforms (GitLab, Codeberg) once implemented
         // 1. Get Stars & Forks
-        const repo = await fetch(`https://api.github.com/repos/${ORGANIZATION_NAME}/${CATALOG_REPO_NAME}`).then(r => r.ok ? r.json() : {});
+        const repo = await fetch(`${REPO_API_URL}${ORGANIZATION_NAME}/${CATALOG_REPO_NAME}`).then(r => r.ok ? r.json() : {});
         if (repo.stargazers_count !== undefined) update('gh-stars', 'gh-star-container', repo.stargazers_count);
         if (repo.forks_count !== undefined) update('gh-forks', 'gh-fork-container', repo.forks_count);
 
         // 2. Get Version (Tag)
-        const release = await fetch(`https://api.github.com/repos/${ORGANIZATION_NAME}/${CATALOG_REPO_NAME}/releases/latest`).then(r => r.ok ? r.json() : {});
+        // TODO: Import from package.json
+        const release = await fetch(`${REPO_API_URL}${ORGANIZATION_NAME}/${CATALOG_REPO_NAME}/releases/latest`).then(r => r.ok ? r.json() : {});
         if (release.tag_name) update('gh-tag', 'gh-version-container', release.tag_name);
 
     } catch (e) {
-        console.warn("Could not fetch GitHub stats", e);
+        console.warn("Could not fetch Code Repo stats", e);
     }
 };
 
@@ -469,7 +475,7 @@ const renderHubItemCard = (item, repoType) => {
             break;
     }
 
-    // stars for GitHub repos
+    // stars for code repos
     const badgeHtml = (() => {
         if (item.isNew) {
             return `<span class="new-badge inline-block text-xs font-bold text-white rounded-full px-2 py-1">
@@ -628,7 +634,7 @@ const populateTagFilter = (repoType) => {
 
 /**
  * Initializes UI elements from configuration values.
- * This sets up the header, logo, GitHub ribbon, and dynamic styles.
+ * This sets up the header, logo, repo ribbon, and dynamic styles.
  */
 const initializeUIFromConfig = () => {
     // Set header logo
@@ -654,16 +660,21 @@ const initializeUIFromConfig = () => {
         headerDesc.textContent = CONFIG.CATALOG_DESCRIPTION;
     }
 
-    // Set GitHub ribbon link and colors
-    const githubRibbon = document.getElementById('github-ribbon');
-    if (githubRibbon) {
-        githubRibbon.href = `https://github.com/${ORGANIZATION_NAME}/${CATALOG_REPO_NAME}`;
-        githubRibbon.style.backgroundColor = CONFIG.COLORS.secondary;
-        githubRibbon.style.setProperty('--hover-color', CONFIG.COLORS.primary);
-        githubRibbon.addEventListener('mouseenter', function () {
+    // Set Code Repo ribbon link, SVG path, display name, and colors
+    const repoRibbon = document.getElementById('repo-ribbon');
+    const platformDisplay = getPlatformDisplay(PLATFORM);
+    if (repoRibbon && platformDisplay) {
+        repoRibbon.href = `${platformDisplay.ribbonUrl}${ORGANIZATION_NAME}/${CATALOG_REPO_NAME}`;
+        const pathElement = document.getElementById('repo-ribbon-icon');
+        pathElement.setAttribute('d', platformDisplay.path);
+        const platformDisplayName = document.getElementById('platform-display-name');
+        platformDisplayName.textContent = platformDisplay.displayName || PLATFORM;
+        repoRibbon.style.backgroundColor = CONFIG.COLORS.secondary;
+        repoRibbon.style.setProperty('--hover-color', CONFIG.COLORS.primary);
+        repoRibbon.addEventListener('mouseenter', function () {
             this.style.backgroundColor = CONFIG.COLORS.primary;
         });
-        githubRibbon.addEventListener('mouseleave', function () {
+        repoRibbon.addEventListener('mouseleave', function () {
             this.style.backgroundColor = CONFIG.COLORS.secondary;
         });
     }
@@ -696,6 +707,7 @@ document.addEventListener('DOMContentLoaded', async () => {
             CATALOG_TITLE: 'Catalog', CATALOG_DESCRIPTION: '',
             LOGO_URL: '', FAVICON_URL: '',
             COLORS: { primary: '#92991c', secondary: '#5d8095', accent: '#0097b2', accentDark: '#4fd1eb', tag: '#9bcb5e' },
+            PLATFORM: 'github',
             API_BASE_URL: 'https://huggingface.co/api/', REFRESH_INTERVAL_DAYS: 30,
             ADDITIONAL_REPOS: [], ADDITIONAL_HF_REPOS: [], FONT_FAMILY: 'Inter'
         };
@@ -704,6 +716,9 @@ document.addEventListener('DOMContentLoaded', async () => {
     // Assign module-scope variables used by all functions
     ORGANIZATION_NAME     = CONFIG.ORGANIZATION_NAME;
     CATALOG_REPO_NAME     = CONFIG.CATALOG_REPO_NAME;
+    PLATFORM              = CONFIG.PLATFORM;
+    ORG_API_URL           = getPlatformApiUrls(PLATFORM, ORGANIZATION_NAME).org;
+    REPO_API_URL          = getPlatformApiUrls(PLATFORM, ORGANIZATION_NAME).repo;
     API_BASE_URL          = CONFIG.API_BASE_URL;
     REFRESH_INTERVAL_DAYS = CONFIG.REFRESH_INTERVAL_DAYS;
     ADDITIONAL_REPOS      = CONFIG.ADDITIONAL_REPOS;
diff --git a/public/config.yaml b/public/config.yaml
index 9239fbb..0c9b8f7 100644
--- a/public/config.yaml
+++ b/public/config.yaml
@@ -21,7 +21,11 @@ COLORS:
   tag: "#9bcb5e"          # Tag background color (Light Green)
 
 # API & Behavior Settings
+# Codebase platform for API calls and link generation. Supported values: "github", pending: "codeberg" or "gitlab".
+PLATFORM: github
+# Dataset, model, and space (demo) default: Hugging Face, other platforms would require a custom module
 API_BASE_URL: "https://huggingface.co/api/"
+# Define "new" repository criteria
 REFRESH_INTERVAL_DAYS: 30
 
 # Array of "owner/repo" strings to include in addition to non-forked org repos.
diff --git a/scripts/export-tags.js b/scripts/export-tags.js
index 4202fb7..39438fa 100644
--- a/scripts/export-tags.js
+++ b/scripts/export-tags.js
@@ -17,6 +17,7 @@ import path from 'path';
 import { fileURLToPath } from 'url';
 import jsYaml from 'js-yaml';
 import { validateConfig } from '../src/validateConfig.js';
+import { getPlatformApiUrls } from '..src/defineApiUrls.js';
 import { filterNewAdditionalEntries } from '../src/filterNewAdditionalEntries.js';
 
 const __dirname = path.dirname(fileURLToPath(import.meta.url));
@@ -33,12 +34,13 @@ if (errors.length) {
 }
 
 const CONFIG = rawConfig;
-const { ORGANIZATION_NAME, API_BASE_URL, ADDITIONAL_REPOS } = CONFIG;
+const { ORGANIZATION_NAME, PLATFORM, API_BASE_URL, ADDITIONAL_REPOS } = CONFIG;
 const ADDITIONAL_HF_REPOS = CONFIG.ADDITIONAL_HF_REPOS;
 
 // ---------------------------------------------------------------------------
 // Fetch helpers
 // ---------------------------------------------------------------------------
+// Update this section as needed for non-GitHub code platforms (e.g., Codeberg or GitLab)
 const GITHUB_TOKEN = process.env.GITHUB_TOKEN || process.env.GH_TOKEN;
 
 const get = async (url) => {
@@ -56,11 +58,13 @@ const get = async (url) => {
 // Tag collection
 // ---------------------------------------------------------------------------
 const allTags = new Set();
+const { org: ORG_API_URL, repo: REPO_API_URL } = getPlatformApiUrls(PLATFORM, ORGANIZATION_NAME);
 
-const collectGitHubTags = async () => {
-    console.log('Fetching GitHub repos...');
+const collectCodePlatformTags = async () => {
+    const platformDisplay = getPlatformDisplay(PLATFORM);
+    console.log(`Fetching ${platformDisplay.displayName || PLATFORM} repos...`);
     let allRepos = [];
-    let nextUrl = `https://api.github.com/orgs/${ORGANIZATION_NAME}/repos?type=public&per_page=100`;
+    let nextUrl = `${ORG_API_URL}`;
 
     while (nextUrl) {
         const { json: page, headers } = await get(nextUrl);
@@ -73,7 +77,7 @@ const collectGitHubTags = async () => {
     // Additional repos
     const additionalData = await Promise.all(
         ADDITIONAL_REPOS.map(ownerRepo =>
-            get(`https://api.github.com/repos/${ownerRepo}`)
+            get(`${REPO_API_URL}${ownerRepo}`)
                 .then(({ json }) => json)
                 .catch(() => null)
         )
@@ -87,7 +91,7 @@ const collectGitHubTags = async () => {
         (repo.topics || []).forEach(t => allTags.add(t.toLowerCase()));
     });
 
-    console.log(`  GitHub: processed ${orgNonForks.length} org repos + ${additionalRepos.length} additional repos`);
+    console.log(`  ${platformDisplay.displayName || PLATFORM}: processed ${orgNonForks.length} org repos + ${additionalRepos.length} additional repos`);
 };
 
 const collectHFTags = async (repoType) => {
@@ -133,7 +137,7 @@ const collectHFTags = async (repoType) => {
 // ---------------------------------------------------------------------------
 (async () => {
     try {
-        await collectGitHubTags();
+        await collectCodePlatformTags();
         await collectHFTags('datasets');
         await collectHFTags('models');
         await collectHFTags('spaces');
diff --git a/scripts/fetch-releases.js b/scripts/fetch-releases.js
index c92785e..e868f25 100644
--- a/scripts/fetch-releases.js
+++ b/scripts/fetch-releases.js
@@ -6,6 +6,7 @@ import { fileURLToPath } from 'url';
 import { dirname, join } from 'path';
 import jsYaml from 'js-yaml';
 import { validateConfig } from '../src/validateConfig.js';
+import { getPlatformApiUrls } from '../src/defineApiUrls.js';
 
 const __filename = fileURLToPath(import.meta.url);
 const __dirname = dirname(__filename);
@@ -27,8 +28,9 @@ const headers = TOKEN
 const TWO_WEEKS_MS = 14 * 24 * 60 * 60 * 1000;
 
 // Step 1: Fetch all public org repos (paginated, same logic as main.js)
+const { org: ORG_API_URL, repo: REPO_API_URL } = getPlatformApiUrls(CONFIG.PLATFORM, CONFIG.ORGANIZATION_NAME);
 let allOrgRepos = [];
-let nextUrl = `https://api.github.com/orgs/${CONFIG.ORGANIZATION_NAME}/repos?type=public&per_page=100`;
+let nextUrl = `${ORG_API_URL}`;
 while (nextUrl) {
     const res = await fetch(nextUrl, { headers });
     if (!res.ok) {
@@ -55,7 +57,7 @@ const repoIds = [
 const releases = {};
 for (const id of repoIds) {
     try {
-        const res = await fetch(`https://api.github.com/repos/${id}/releases/latest`, { headers });
+        const res = await fetch(`${REPO_API_URL}${id}/releases/latest`, { headers });
         if (!res.ok) { releases[id] = null; continue; }
         const data = await res.json();
         releases[id] = {
diff --git a/src/defineApiUrls.js b/src/defineApiUrls.js
new file mode 100644
index 0000000..5b20e43
--- /dev/null
+++ b/src/defineApiUrls.js
@@ -0,0 +1,34 @@
+/**
+ * Defines API URLs based on the selected platform (GitHub, note: GitLab and Codeberg support under development).
+ * This allows the rest of the codebase to use these constants when making API calls,
+ * abstracting away platform-specific URL structures.
+ * 
+ * Usage: import { getPlatformApiUrls } from './defineApiUrls.js';
+ * 
+ * Input: platform and organizationName (e.g., 'github' and 'imageomics'), defined from config.yaml and passed to this function.
+ * Output: platformApiUrls[platform] = { org: ORG_API_URL, repo: REPO_API_URL }
+ */
+
+/**
+ * Utility function to get the platform-specific API URLs for organization repos and individual repo details.
+ * @param {string} platform - 'github', pending: 'gitlab', or 'codeberg'
+ * @param {string} organizationName - The name of the organization (used in URL construction)
+ * @returns {object} An object containing ORG_API_URL and REPO_API_URL
+ */
+export function getPlatformApiUrls(platform, organizationName) {
+    const platformApiUrls = {
+        github: {
+            org: `https://api.github.com/orgs/${organizationName}/repos?type=public&per_page=100`,
+            repo: "https://api.github.com/repos/"
+        },
+        // gitlab: {
+        //     org: `https://gitlab.com/api/v4/groups/${organizationName}/projects?per_page=100`,
+        //     repo: "https://gitlab.com/api/v4/projects/"
+        // },
+        // codeberg: {
+        //     org: `https://codeberg.org/api/v1/orgs/${organizationName}/repos?limit=50`,
+        //     repo: "https://codeberg.org/api/v1/repos/"
+        // }
+    };
+    return platformApiUrls[platform.toLowerCase()];
+}
diff --git a/src/defineRibbonVals.js b/src/defineRibbonVals.js
new file mode 100644
index 0000000..9ab64a0
--- /dev/null
+++ b/src/defineRibbonVals.js
@@ -0,0 +1,43 @@
+/**
+ * A collection of platform-specific display information (e.g., SVG path data)
+ * for code developer platforms including GitHub, pending: GitLab and Codeberg.
+ * Used for linking to repo and rendering icon and platform name in the ribbon component of the UI.
+ * All paths are optimized for a 0 0 24 24 viewBox.
+ *
+ * Usage: import { getPlatformDisplay } from './defineRibbonVals.js';
+ *
+ * Input: platform (e.g., 'github'), defined from config.yaml and passed to this function.
+ * Output: platformDisplays[platform] = { path: SVG_PATH_DATA, viewBox: VIEWBOX_DATA, 
+ *                                        displayName: DISPLAY_NAME, ribbonUrl: RIBBON_URL }
+ */
+
+/**
+ * Utility function to get the full platform display information
+ * @param {string} platform - 'github', 'gitlab', or 'codeberg'
+ * @returns {object|null}
+ */
+export function getPlatformDisplay(platform) {
+    const platformDisplays = {
+        github: {
+            path: "M12 2C6.477 2 2 6.484 2 12.017c0 4.425 2.865 8.18 6.839 9.504.5.092.682-.217.682-.483 0-.237-.008-.868-.013-1.703-2.782.605-3.369-1.343-3.369-1.343-.454-1.158-1.11-1.466-1.11-1.466-.908-.62.069-.608.069-.608 1.003.07 1.531 1.032 1.531 1.032.892 1.53 2.341 1.088 2.91.832.092-.647.35-1.088.636-1.338-2.22-.253-4.555-1.113-4.555-4.951 0-1.093.39-1.988 1.029-2.688-.103-.253-.446-1.272.098-2.65 0 0 .84-.27 2.75 1.026A9.564 9.564 0 0112 6.844c.85.004 1.705.115 2.504.337 1.909-1.296 2.747-1.027 2.747-1.027.546 1.379.202 2.398.1 2.651.64.7 1.028 1.595 1.028 2.688 0 3.848-2.339 4.695-4.566 4.943.359.309.678.92.678 1.855 0 1.338-.012 2.419-.012 2.747 0 .268.18.58.688.482A10.019 10.019 0 0022 12.017C22 6.484 17.522 2 12 2z",
+            viewBox: "0 0 24 24",
+            displayName: "GitHub",
+            ribbonUrl: "https://github.com/"
+        },
+        // gitlab: {
+        //   path: "m23.71 11.83-2.13-6.52a.89.89 0 0 0-1.7 0l-2.13 6.52H6.25L4.12 5.31a.89.89 0 0 0-1.7 0L.29 11.83a1 1 0 0 0 .37 1.13l11.34 8.24 11.34-8.24a1 1 0 0 0 .37-1.13Z",
+        //   viewBox: "0 0 24 24",
+        //   color: "#FC6D26",
+        //   displayName: "GitLab",
+        //   ribbonUrl: "https://gitlab.com/"
+        //},
+        // codeberg: {
+        //   path: "M12.004 2.378a.636.636 0 0 0-.547.31L1.258 19.874a.636.636 0 0 0 .547.954h1.94c.143 0 .278-.074.354-.197L12 6.544l7.89 14.087a.406.406 0 0 0 .354.197h2.012a.636.636 0 0 0 .546-.954L12.551 2.688a.636.636 0 0 0-.547-.31Z",
+        //   viewBox: "0 0 24 24",
+        //   color: "#2185d0",
+        //   displayName: "Codeberg",
+        //   ribbonUrl: "https://codeberg.org/"
+        //}
+      };
+    return platformDisplays[platform.toLowerCase()];
+}
diff --git a/src/validateConfig.js b/src/validateConfig.js
index e1ce821..7cac8f3 100644
--- a/src/validateConfig.js
+++ b/src/validateConfig.js
@@ -17,6 +17,12 @@ export function validateConfig(config) {
     if (!config.ORGANIZATION_NAME)            errors.push('ORGANIZATION_NAME');
     if (!config.ORG_NAME)                     errors.push('ORG_NAME');
     if (!config.CATALOG_REPO_NAME)            errors.push('CATALOG_REPO_NAME');
+    if (!config.PLATFORM)                     errors.push('PLATFORM');
+    /** Update to include 'codeberg' and 'gitlab' once supported */
+    const supportedPlatforms = ['github'];
+    if (config.PLATFORM && !supportedPlatforms.includes(config.PLATFORM.toLowerCase())) {
+        errors.push(`PLATFORM must be one of: ${supportedPlatforms.join(', ')}`);
+    }
     if (!config.API_BASE_URL)                 errors.push('API_BASE_URL');
     if (config.REFRESH_INTERVAL_DAYS == null) errors.push('REFRESH_INTERVAL_DAYS');
 
diff --git a/tests/validateConfig.test.js b/tests/validateConfig.test.js
index ee15eee..a9ee8c1 100644
--- a/tests/validateConfig.test.js
+++ b/tests/validateConfig.test.js
@@ -5,6 +5,7 @@ const VALID_CONFIG = {
     ORGANIZATION_NAME: 'imageomics',
     ORG_NAME: 'Imageomics',
     CATALOG_REPO_NAME: 'catalog',
+    PLATFORM: 'github',
     API_BASE_URL: 'https://huggingface.co/api/',
     REFRESH_INTERVAL_DAYS: 30,
     ADDITIONAL_REPOS: [],
@@ -70,6 +71,16 @@ describe('validateConfig', () => {
         expect(validateConfig({ ...VALID_CONFIG, CATALOG_REPO_NAME: '' })).toContain('CATALOG_REPO_NAME');
     });
 
+    it('errors when PLATFORM is missing', () => {
+        const { PLATFORM: _, ...config } = VALID_CONFIG;
+        expect(validateConfig(config)).toContain('PLATFORM');
+    });
+    
+    it('errors when PLATFORM is unrecognized', () => {
+        const errors = validateConfig({ ...VALID_CONFIG, PLATFORM: 'blah' });
+        expect(errors.some(e => e.includes('PLATFORM'))).toBe(true);
+    });
+
     it('errors when API_BASE_URL is missing', () => {
         const { API_BASE_URL: _, ...config } = VALID_CONFIG;
         expect(validateConfig(config)).toContain('API_BASE_URL');
@@ -132,6 +143,7 @@ describe('validateConfig', () => {
         expect(errors).toContain('ORGANIZATION_NAME');
         expect(errors).toContain('ORG_NAME');
         expect(errors).toContain('CATALOG_REPO_NAME');
+        expect(errors).toContain('PLATFORM');
         expect(errors).toContain('API_BASE_URL');
         expect(errors).toContain('REFRESH_INTERVAL_DAYS');
     });
