diff --git a/scripts/api.js b/scripts/api.js
index a4bd19e..c93bf6c 100644
--- a/scripts/api.js
+++ b/scripts/api.js
@@ -104,6 +104,38 @@ export async function pushSnapshot(actor) {
 	return result;
 }
 
+/**
+ * Project each active Foundry module to a credit-only summary. Versions
+ * are deliberately omitted: this list is intended for a public credits
+ * page on the Frappe side and we don't want to leak dependency versions
+ * if the site is ever indexed. The Frappe endpoint also strips any
+ * version/compatibility fields server-side as defense-in-depth.
+ */
+function buildModuleInventory() {
+	const out = [];
+	for (const mod of game.modules.values()) {
+		if (!mod.active) continue;
+		const authors = (mod.authors || [])
+			.map((a) => ({ name: a?.name, url: a?.url || null }))
+			.filter((a) => a.name);
+		out.push({
+			id: mod.id,
+			title: mod.title || mod.id,
+			url: mod.url || null,
+			authors,
+		});
+	}
+	return out;
+}
+
+export async function pushModuleInventory() {
+	const modules = buildModuleInventory();
+	console.log(`[${MODULE_ID}] pushing module inventory (${modules.length} active)`);
+	const result = await bridgeFetch("receive_module_inventory", { modules });
+	console.log(`[${MODULE_ID}] module inventory result:`, result);
+	return result;
+}
+
 export async function listScheduledSessions() {
 	const result = await bridgeFetch("list_scheduled_sessions", {});
 	return result?.message ?? [];
diff --git a/scripts/macros.js b/scripts/macros.js
index 5c70c68..be15abe 100644
--- a/scripts/macros.js
+++ b/scripts/macros.js
@@ -11,6 +11,7 @@ import { MODULE_ID } from "./constants.js";
 import {
 	completeSession,
 	listScheduledSessions,
+	pushModuleInventory,
 	pushSnapshot,
 } from "./api.js";
 
@@ -91,7 +92,7 @@ async function pickSession(sessions) {
 	});
 }
 
-function buildSummaryHtml(completion, snapshotResult) {
+function buildSummaryHtml(completion, snapshotResult, moduleResult) {
 	const parts = [
 		`<h3>Session Complete</h3>`,
 		`<p><b>${escapeHtml(completion.completed_session)}</b> marked Completed.</p>`,
@@ -110,6 +111,15 @@ function buildSummaryHtml(completion, snapshotResult) {
 			.join("");
 		parts.push(`<p style="color:#a00"><b>Failed pushes:</b></p><ul>${items}</ul>`);
 	}
+	if (moduleResult?.upserted) {
+		parts.push(
+			`<p>Tracked ${moduleResult.upserted} active module(s) for credits.</p>`,
+		);
+	} else if (moduleResult?.error) {
+		parts.push(
+			`<p style="color:#a00">Module inventory push failed: ${escapeHtml(moduleResult.error)}</p>`,
+		);
+	}
 	return parts.join("");
 }
 
@@ -152,8 +162,19 @@ export async function endSession() {
 
 	const snapshotResult = await pushAllSnapshots();
 
+	// Module inventory is non-critical — log and continue if the push fails
+	// so the session still gets marked Completed with a clean summary.
+	let moduleResult = null;
+	try {
+		const raw = await pushModuleInventory();
+		moduleResult = raw?.message ?? null;
+	} catch (err) {
+		console.warn(`[${MODULE_ID}] module inventory push failed:`, err);
+		moduleResult = { error: err.message };
+	}
+
 	await ChatMessage.create({
-		content: buildSummaryHtml(completion, snapshotResult),
+		content: buildSummaryHtml(completion, snapshotResult, moduleResult),
 		speaker: { alias: "Seitime Bridge" },
 		whisper: ChatMessage.getWhisperRecipients("GM").map((u) => u.id),
 	});
diff --git a/scripts/main.js b/scripts/main.js
index 06abc0b..bd4ce8a 100644
--- a/scripts/main.js
+++ b/scripts/main.js
@@ -10,7 +10,7 @@
 
 import { MODULE_ID } from "./constants.js";
 import { registerSettings } from "./settings.js";
-import { pushManifest, pushSnapshot, testConnection } from "./api.js";
+import { pushManifest, pushModuleInventory, pushSnapshot, testConnection } from "./api.js";
 import { endSession, pushAllSnapshots } from "./macros.js";
 
 let manifestTimerId = null;
@@ -62,7 +62,7 @@ Hooks.once("init", () => {
 
 Hooks.once("ready", () => {
 	const mod = game.modules.get(MODULE_ID);
-	const api = { pushManifest, pushSnapshot, testConnection, endSession, pushAllSnapshots };
+	const api = { pushManifest, pushSnapshot, pushModuleInventory, testConnection, endSession, pushAllSnapshots };
 	mod.api = api;
 	globalThis.seitimeBridge = api;