diff --git a/modules/grafana/client.ts b/modules/grafana/client.ts
new file mode 100644
index 0000000..41395ae
--- /dev/null
+++ b/modules/grafana/client.ts
@@ -0,0 +1,110 @@
+// Grafana's API client — grafana's own code, living in the module (novox/hq ADR 0044). Ported from
+// the shared hal sdk, where a change here rebuilt everything; here it rebuilds only grafana. Both
+// this module's tools and its events entrypoint import it, and nothing outside grafana does.
+
+export interface GrafanaHealth {
+  database: string;
+  version: string;
+  commit: string;
+}
+
+export interface GrafanaDatasource {
+  id: number;
+  uid: string;
+  name: string;
+  type: string;
+  url: string;
+  isDefault: boolean;
+  database?: string;
+}
+
+export interface GrafanaDashboard {
+  uid: string;
+  title: string;
+  url: string;
+  tags: string[];
+  folderTitle?: string;
+}
+
+export interface GrafanaAlert {
+  /** The rule name (labels.alertname), the stable identity a firing alert is diffed on. */
+  name: string;
+  /** Grafana unified-alerting state: "Normal" | "Pending" | "Alerting". */
+  state: string;
+  labels: Record<string, string>;
+  activeAt?: string;
+}
+
+export class GrafanaClient {
+  readonly baseUrl: string;
+  private readonly authHeader: string;
+
+  constructor(url: string, authHeader: string) {
+    this.baseUrl = url.replace(/\/$/, "");
+    this.authHeader = authHeader;
+  }
+
+  /**
+   * Build from the module's resolved environment. Auth is a service-account/API token
+   * (MESH_GRAFANA_TOKEN, sent as Bearer) when present, else HTTP basic with the admin password the
+   * module keeps as its own secret (MESH_GRAFANA_PASSWORD, user MESH_GRAFANA_USER, default admin).
+   * Throws when neither is configured — the module then contributes nothing rather than failing.
+   */
+  static fromEnv(env: NodeJS.ProcessEnv = process.env): GrafanaClient {
+    const url = env.MESH_GRAFANA_URL ?? `http://127.0.0.1:${env.GRAFANA_PORT ?? "3000"}`;
+    const token = env.MESH_GRAFANA_TOKEN;
+    if (token) return new GrafanaClient(url, `Bearer ${token}`);
+    const password = env.MESH_GRAFANA_PASSWORD;
+    if (password) {
+      const user = env.MESH_GRAFANA_USER ?? "admin";
+      return new GrafanaClient(url, `Basic ${Buffer.from(`${user}:${password}`).toString("base64")}`);
+    }
+    throw new Error("no Grafana auth — set MESH_GRAFANA_TOKEN or MESH_GRAFANA_PASSWORD");
+  }
+
+  private async get(path: string): Promise<any> {
+    const res = await fetch(`${this.baseUrl}${path}`, {
+      headers: { Authorization: this.authHeader, Accept: "application/json" },
+    });
+    if (!res.ok) throw new Error(`Grafana API ${path}: ${res.status} ${await res.text()}`);
+    return res.json();
+  }
+
+  async health(): Promise<GrafanaHealth> {
+    const h = await this.get("/api/health");
+    return { database: h.database ?? "unknown", version: h.version ?? "unknown", commit: h.commit ?? "unknown" };
+  }
+
+  async listDatasources(): Promise<GrafanaDatasource[]> {
+    const arr = (await this.get("/api/datasources")) as any[];
+    return arr.map((d) => ({
+      id: d.id, uid: d.uid, name: d.name, type: d.type, url: d.url,
+      isDefault: !!d.isDefault, database: d.database || undefined,
+    }));
+  }
+
+  async listDashboards(query?: string): Promise<GrafanaDashboard[]> {
+    const params = new URLSearchParams({ type: "dash-db" });
+    if (query) params.set("query", query);
+    const arr = (await this.get(`/api/search?${params.toString()}`)) as any[];
+    return arr.map((d) => ({
+      uid: d.uid, title: d.title, url: d.url, tags: d.tags ?? [], folderTitle: d.folderTitle || undefined,
+    }));
+  }
+
+  /**
+   * Active alert instances from unified alerting's Prometheus-compatible surface. Grafana without
+   * alerting configured answers this with an empty set (or a 404, surfaced by get) — callers treat
+   * "no alerts" and "no alerting" alike.
+   */
+  async listAlerts(): Promise<GrafanaAlert[]> {
+    const data = (await this.get("/api/prometheus/grafana/api/v1/alerts")).data ?? {};
+    const alerts = (data.alerts ?? []) as any[];
+    return alerts.map((a) => ({
+      name: a.labels?.alertname ?? "unknown",
+      state: a.state ?? "unknown",
+      labels: a.labels ?? {},
+      activeAt: a.activeAt || undefined,
+    }));
+  }
+}
diff --git a/modules/grafana/index.ts b/modules/grafana/index.ts
new file mode 100644
index 0000000..bb497c8
--- /dev/null
+++ b/modules/grafana/index.ts
@@ -0,0 +1,58 @@
+// grafana's events. The tool runtime imports this once the broker is bound. It watches unified
+// alerting and announces when an alert instance starts firing.
+//
+// Emits (novox/hq ADR 0046/0047):
+//   module.grafana.alert.firing   — an alert instance entered the Alerting state
+//
+// A Grafana with no alerting configured simply never has a firing alert, so this observes nothing
+// and emits nothing — no error, no noise.
+
+import { emit } from "@novox/mesh-sdk/events";
+import { GrafanaClient, type GrafanaAlert } from "./client.js";
+
+// Constructed lazily so an unconfigured node (no auth) loads this entrypoint without crashing the
+// events host — it simply watches nothing.
+let grafana: GrafanaClient | undefined;
+try {
+  grafana = GrafanaClient.fromEnv();
+} catch (err) {
+  console.log(`[grafana] not configured, not watching alerts: ${err}`);
+}
+
+// Firing alerts, by diffing the set currently in the Alerting state. Primed silently on the first
+// look so alerts already firing when this started are not announced as freshly firing.
+const firing = new Set<string>();
+let primed = false;
+
+const alertKey = (a: GrafanaAlert): string =>
+  `${a.name}:${Object.entries(a.labels).sort().map(([k, v]) => `${k}=${v}`).join(",")}`;
+
+async function pollAlerts(client: GrafanaClient): Promise<void> {
+  const now = new Set<string>();
+  const byKey = new Map<string, GrafanaAlert>();
+  for (const a of await client.listAlerts()) {
+    if (a.state.toLowerCase() !== "alerting") continue;
+    const key = alertKey(a);
+    now.add(key);
+    byKey.set(key, a);
+  }
+  if (primed) {
+    for (const key of now) {
+      if (!firing.has(key)) {
+        const a = byKey.get(key)!;
+        await emit("module.grafana.alert.firing", { name: a.name, labels: a.labels, activeAt: a.activeAt });
+      }
+    }
+  }
+  firing.clear();
+  for (const key of now) firing.add(key);
+  primed = true;
+}
+
+if (grafana) {
+  const client = grafana;
+  const run = (): void => void pollAlerts(client).catch((err) => console.error(`[grafana] ${err}`));
+  setInterval(run, 30_000);
+  run();
+  console.log("[grafana] watching for firing alerts");
+}
diff --git a/modules/grafana/module.json b/modules/grafana/module.json
index 5dcbbd5..e9ae8fa 100644
--- a/modules/grafana/module.json
+++ b/modules/grafana/module.json
@@ -1,8 +1,12 @@
 {
   "module": "grafana",
   "version": "1",
+  "emits": [
+    "module.grafana.alert.firing"
+  ],
   "own-secrets": {
-    "admin": "/var/lib/grafana-module/admin.secret"
+    "admin": "/var/lib/grafana-module/admin.secret",
+    "broker": "/var/lib/grafana-module/broker"
   },
   "capabilities": [
     "container-runtime"
diff --git a/modules/grafana/package.json b/modules/grafana/package.json
new file mode 100644
index 0000000..49003a9
--- /dev/null
+++ b/modules/grafana/package.json
@@ -0,0 +1,14 @@
+{
+  "name": "@novox/module-grafana",
+  "version": "0.1.0",
+  "description": "grafana — monitoring dashboards. Its API client, tools and events live here (novox/hq ADR 0044).",
+  "type": "module",
+  "private": true,
+  "dependencies": {
+    "@novox/mesh-sdk": "^0.1.0"
+  },
+  "devDependencies": {
+    "@types/node": "^22.0.0",
+    "typescript": "^5.6.0"
+  }
+}
diff --git a/modules/grafana/tools/index.ts b/modules/grafana/tools/index.ts
new file mode 100644
index 0000000..55fc89b
--- /dev/null
+++ b/modules/grafana/tools/index.ts
@@ -0,0 +1,55 @@
+// grafana's tools — moved here from the shared hal sdk (novox/hq ADR 0044), importing grafana's own
+// client. They return structured data; the mesh serves them through the sdk's tool harness.
+
+import { registerModuleTools, type ToolDefinition } from "@novox/mesh-sdk/tools";
+import { GrafanaClient } from "../client.js";
+
+export function getGrafanaTools(grafana: GrafanaClient): ToolDefinition[] {
+  return [
+    {
+      name: "grafana_status",
+      description: "Grafana server health — database state, version, build commit.",
+      input: {},
+      run: async () => grafana.health(),
+    },
+    {
+      name: "grafana_list_datasources",
+      description: "List Grafana data sources — name, type, backing URL, which is default.",
+      input: {},
+      run: async () => {
+        const datasources = await grafana.listDatasources();
+        return { count: datasources.length, datasources };
+      },
+    },
+    {
+      name: "grafana_list_dashboards",
+      description: "List Grafana dashboards, optionally filtered by a name query.",
+      input: { query: { type: "string", description: "filter dashboards by name (optional)" } },
+      run: async (args) => {
+        const query = args.query ? String(args.query) : undefined;
+        const dashboards = await grafana.listDashboards(query);
+        return { count: dashboards.length, dashboards };
+      },
+    },
+    {
+      name: "grafana_alerts",
+      description: "Active Grafana alert instances and their state (Alerting, Pending, Normal).",
+      input: {},
+      run: async () => {
+        const alerts = await grafana.listAlerts();
+        const firing = alerts.filter((a) => a.state.toLowerCase() === "alerting");
+        return { count: alerts.length, firing: firing.length, alerts };
+      },
+    },
+  ];
+}
+
+// The tools exist only when Grafana auth can be resolved; without it, grafana contributes none
+// rather than failing the whole tool runtime.
+registerModuleTools("grafana", (env) => {
+  try {
+    return getGrafanaTools(GrafanaClient.fromEnv(env));
+  } catch {
+    return [];
+  }
+});
diff --git a/modules/grafana/tsconfig.json b/modules/grafana/tsconfig.json
new file mode 100644
index 0000000..3677859
--- /dev/null
+++ b/modules/grafana/tsconfig.json
@@ -0,0 +1,12 @@
+{
+  "compilerOptions": {
+    "target": "ES2022",
+    "module": "NodeNext",
+    "moduleResolution": "NodeNext",
+    "strict": true,
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "noEmit": true
+  },
+  "include": ["client.ts", "index.ts", "tools/index.ts"]
+}
diff --git a/modules/nextcloud/client.ts b/modules/nextcloud/client.ts
new file mode 100644
index 0000000..5418924
--- /dev/null
+++ b/modules/nextcloud/client.ts
@@ -0,0 +1,93 @@
+// Nextcloud's client — nextcloud's own code, living in the module (novox/hq ADR 0044). Both this
+// module's tools and its events entrypoint import it, and nothing outside nextcloud does.
+//
+// Nextcloud is administered two ways, and this client speaks both:
+//   - occ, its admin CLI, is a PHP script inside the container runnable only as the web user. We
+//     reach it with `docker exec`, the same side channel an operator would use by hand — turned
+//     into something the mesh can call. Users and apps come from here.
+//   - the OCS Sharing API answers over HTTP with the admin credentials. Shares come from here,
+//     because occ has no version-stable "list every share" across the releases we run.
+
+import { execFileSync } from "node:child_process";
+
+export interface NextcloudUser {
+  uid: string;
+  displayName: string;
+}
+
+export interface NextcloudShare {
+  /** The OCS share id — the stable identity a new share is diffed on. */
+  id: string;
+  path: string;
+  shareType: number;
+  shareWith?: string;
+  owner: string;
+}
+
+export class NextcloudClient {
+  constructor(
+    private readonly container: string,
+    private readonly ocsUrl: string,
+    private readonly adminUser: string,
+    private readonly adminPassword: string,
+  ) {}
+
+  /**
+   * Build from the module's resolved environment. occ needs only the container name (default
+   * "nextcloud"); the OCS surface needs the admin password the module keeps as its own secret
+   * (MESH_NEXTCLOUD_ADMIN_PASSWORD, user MESH_NEXTCLOUD_ADMIN_USER default admin, URL the local
+   * container). The admin password is treated as the "configured for mesh administration" signal:
+   * throws without it, and the module then contributes nothing rather than failing.
+   */
+  static fromEnv(env: NodeJS.ProcessEnv = process.env): NextcloudClient {
+    const container = env.MESH_NEXTCLOUD_CONTAINER ?? "nextcloud";
+    const ocsUrl = env.MESH_NEXTCLOUD_URL ?? `http://127.0.0.1:${env.NEXTCLOUD_PORT ?? "80"}`;
+    const adminUser = env.MESH_NEXTCLOUD_ADMIN_USER ?? "admin";
+    const adminPassword = env.MESH_NEXTCLOUD_ADMIN_PASSWORD;
+    if (!adminPassword) throw new Error("no Nextcloud admin password — set MESH_NEXTCLOUD_ADMIN_PASSWORD");
+    return new NextcloudClient(container, ocsUrl.replace(/\/$/, ""), adminUser, adminPassword);
+  }
+
+  /** Run occ inside the container as the web user, returning its stdout, throwing its own message. */
+  occ(args: string[]): string {
+    try {
+      return execFileSync("docker", ["exec", "-u", "www-data", this.container, "php", "occ", ...args], {
+        encoding: "utf8", timeout: 60_000,
+      }).trim();
+    } catch (err: any) {
+      const detail = String(err?.stderr ?? err?.stdout ?? err?.message ?? "").trim();
+      throw new Error(detail || `occ produced no output — is the ${this.container} container running?`);
+    }
+  }
+
+  listUsers(): NextcloudUser[] {
+    // user:list --output=json answers an object of uid → display name.
+    const raw = this.occ(["user:list", "--output=json"]);
+    const map = JSON.parse(raw || "{}") as Record<string, string>;
+    return Object.entries(map).map(([uid, displayName]) => ({ uid, displayName }));
+  }
+
+  listApps(): { enabled: string[]; disabled: string[] } {
+    const raw = this.occ(["app:list", "--output=json"]);
+    const parsed = JSON.parse(raw || "{}") as { enabled?: Record<string, unknown>; disabled?: Record<string, unknown> };
+    return { enabled: Object.keys(parsed.enabled ?? {}), disabled: Object.keys(parsed.disabled ?? {}) };
+  }
+
+  /** List every share, over the OCS Sharing API with the admin credentials. */
+  async listShares(): Promise<NextcloudShare[]> {
+    const auth = Buffer.from(`${this.adminUser}:${this.adminPassword}`).toString("base64");
+    const res = await fetch(
+      `${this.ocsUrl}/ocs/v2.php/apps/files_sharing/api/v1/shares?format=json`,
+      { headers: { Authorization: `Basic ${auth}`, "OCS-APIRequest": "true", Accept: "application/json" } },
+    );
+    if (!res.ok) throw new Error(`Nextcloud OCS shares: ${res.status} ${await res.text()}`);
+    const rows = ((await res.json())?.ocs?.data ?? []) as any[];
+    return rows.map((s) => ({
+      id: String(s.id),
+      path: s.path ?? "",
+      shareType: Number(s.share_type ?? -1),
+      shareWith: s.share_with || undefined,
+      owner: s.uid_owner ?? "unknown",
+    }));
+  }
+}
diff --git a/modules/nextcloud/index.ts b/modules/nextcloud/index.ts
new file mode 100644
index 0000000..3fc26f1
--- /dev/null
+++ b/modules/nextcloud/index.ts
@@ -0,0 +1,57 @@
+// nextcloud's events. The tool runtime imports this once the broker is bound. It watches the user
+// list and the share list and announces new arrivals.
+//
+// Emits (novox/hq ADR 0046/0047):
+//   module.nextcloud.user.created    — a user account appeared (occ user:list)
+//   module.nextcloud.share.created   — a share appeared (OCS shares)
+//
+// Both are diffed and primed silently on the first look, so a restart does not re-announce every
+// existing user and share as freshly created.
+
+import { emit } from "@novox/mesh-sdk/events";
+import { NextcloudClient } from "./client.js";
+
+// Constructed lazily so an unconfigured node (no admin password) loads this entrypoint without
+// crashing the events host — it simply watches nothing.
+let nextcloud: NextcloudClient | undefined;
+try {
+  nextcloud = NextcloudClient.fromEnv();
+} catch (err) {
+  console.log(`[nextcloud] not configured, not watching: ${err}`);
+}
+
+const knownUsers = new Set<string>();
+let usersPrimed = false;
+async function pollUsers(client: NextcloudClient): Promise<void> {
+  const users = client.listUsers();
+  for (const u of users) {
+    if (knownUsers.has(u.uid)) continue;
+    if (usersPrimed) await emit("module.nextcloud.user.created", { uid: u.uid, displayName: u.displayName });
+    knownUsers.add(u.uid);
+  }
+  usersPrimed = true;
+}
+
+const knownShares = new Set<string>();
+let sharesPrimed = false;
+async function pollShares(client: NextcloudClient): Promise<void> {
+  const shares = await client.listShares();
+  for (const s of shares) {
+    if (knownShares.has(s.id)) continue;
+    if (sharesPrimed) await emit("module.nextcloud.share.created", { id: s.id, path: s.path, shareType: s.shareType, shareWith: s.shareWith, owner: s.owner });
+    knownShares.add(s.id);
+  }
+  sharesPrimed = true;
+}
+
+if (nextcloud) {
+  const client = nextcloud;
+  const tick = (fn: (c: NextcloudClient) => Promise<void>): void => {
+    const run = (): void => void fn(client).catch((err) => console.error(`[nextcloud] ${err}`));
+    setInterval(run, 60_000);
+    run();
+  };
+  tick(pollUsers);
+  tick(pollShares);
+  console.log("[nextcloud] watching users and shares");
+}
diff --git a/modules/nextcloud/module.json b/modules/nextcloud/module.json
index 20faa8d..8d56fee 100644
--- a/modules/nextcloud/module.json
+++ b/modules/nextcloud/module.json
@@ -21,8 +21,13 @@
     "postgres-database": "/var/lib/nextcloud-module/database.secret",
     "s3-bucket": "/var/lib/nextcloud-module/store.secret"
   },
+  "emits": [
+    "module.nextcloud.user.created",
+    "module.nextcloud.share.created"
+  ],
   "own-secrets": {
-    "admin": "/var/lib/nextcloud-module/admin.secret"
+    "admin": "/var/lib/nextcloud-module/admin.secret",
+    "broker": "/var/lib/nextcloud-module/broker"
   },
   "capabilities": [
     "container-runtime"
diff --git a/modules/nextcloud/package.json b/modules/nextcloud/package.json
new file mode 100644
index 0000000..841026f
--- /dev/null
+++ b/modules/nextcloud/package.json
@@ -0,0 +1,14 @@
+{
+  "name": "@novox/module-nextcloud",
+  "version": "0.1.0",
+  "description": "nextcloud — file sync and share. Its client, tools and events live here (novox/hq ADR 0044).",
+  "type": "module",
+  "private": true,
+  "dependencies": {
+    "@novox/mesh-sdk": "^0.1.0"
+  },
+  "devDependencies": {
+    "@types/node": "^22.0.0",
+    "typescript": "^5.6.0"
+  }
+}
diff --git a/modules/nextcloud/tools/index.ts b/modules/nextcloud/tools/index.ts
new file mode 100644
index 0000000..224e8b7
--- /dev/null
+++ b/modules/nextcloud/tools/index.ts
@@ -0,0 +1,57 @@
+// nextcloud's tools — importing nextcloud's own client (novox/hq ADR 0044). occ runs inside the
+// container; shares come over OCS. They return structured data; the mesh serves them through the
+// sdk's tool harness.
+
+import { registerModuleTools, type ToolDefinition } from "@novox/mesh-sdk/tools";
+import { NextcloudClient } from "../client.js";
+
+export function getNextcloudTools(nextcloud: NextcloudClient): ToolDefinition[] {
+  return [
+    {
+      name: "nextcloud_users",
+      description: "List Nextcloud user accounts — uid and display name — via occ.",
+      input: {},
+      run: async () => {
+        const users = nextcloud.listUsers();
+        return { count: users.length, users };
+      },
+    },
+    {
+      name: "nextcloud_shares",
+      description: "List Nextcloud shares — path, type, who it is shared with — via the OCS API.",
+      input: {},
+      run: async () => {
+        const shares = await nextcloud.listShares();
+        return { count: shares.length, shares };
+      },
+    },
+    {
+      name: "nextcloud_apps",
+      description: "List Nextcloud apps, split into enabled and disabled, via occ.",
+      input: {},
+      run: async () => nextcloud.listApps(),
+    },
+    {
+      name: "nextcloud_occ",
+      description:
+        "Run an arbitrary occ admin command, e.g. status, 'config:system:get trusted_domains', " +
+        "user:list. occ is Nextcloud's CLI inside the container, run as the web user.",
+      input: { args: { type: "array", description: 'occ arguments, e.g. ["config:system:get","trusted_domains"]' } },
+      run: async (args) => {
+        const occArgs = (args.args ?? []) as unknown[];
+        if (!Array.isArray(occArgs) || occArgs.length === 0) throw new Error('args must be a non-empty array, e.g. ["status"]');
+        return { output: nextcloud.occ(occArgs.map(String)) || "(no output)" };
+      },
+    },
+  ];
+}
+
+// The tools exist only when the admin password can be resolved; without it, nextcloud contributes
+// none rather than failing the whole tool runtime.
+registerModuleTools("nextcloud", (env) => {
+  try {
+    return getNextcloudTools(NextcloudClient.fromEnv(env));
+  } catch {
+    return [];
+  }
+});
diff --git a/modules/nextcloud/tsconfig.json b/modules/nextcloud/tsconfig.json
new file mode 100644
index 0000000..3677859
--- /dev/null
+++ b/modules/nextcloud/tsconfig.json
@@ -0,0 +1,12 @@
+{
+  "compilerOptions": {
+    "target": "ES2022",
+    "module": "NodeNext",
+    "moduleResolution": "NodeNext",
+    "strict": true,
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "noEmit": true
+  },
+  "include": ["client.ts", "index.ts", "tools/index.ts"]
+}
diff --git a/modules/nodered/client.ts b/modules/nodered/client.ts
new file mode 100644
index 0000000..7b92f59
--- /dev/null
+++ b/modules/nodered/client.ts
@@ -0,0 +1,86 @@
+// Node-RED's admin-API client — nodered's own code, living in the module (novox/hq ADR 0044). Only
+// this module's tools import it; nodered has nothing to poll, so there is no events entrypoint.
+//
+// Node-RED exposes a runtime admin API under its base URL: GET/POST /flows for the whole flow
+// configuration, GET /nodes for installed node modules. A default install has no auth; when
+// adminAuth is on, a bearer token (minted at /auth/token) is required.
+
+export interface NodeRedFlow {
+  /** The tab (flow) node id. */
+  id: string;
+  label: string;
+  disabled: boolean;
+}
+
+export interface NodeRedNodeModule {
+  name: string;
+  version: string;
+  types: string[];
+}
+
+export class NodeRedClient {
+  readonly baseUrl: string;
+
+  constructor(
+    url: string,
+    private readonly token?: string,
+  ) {
+    this.baseUrl = url.replace(/\/$/, "");
+  }
+
+  /**
+   * Build from the module's resolved environment. MESH_NODERED_URL locates the admin API and is the
+   * "this node runs Node-RED" signal — throws when unset, and the module then contributes nothing
+   * rather than failing on every node. MESH_NODERED_TOKEN is the bearer token when adminAuth is on;
+   * a default install needs none.
+   */
+  static fromEnv(env: NodeJS.ProcessEnv = process.env): NodeRedClient {
+    const url = env.MESH_NODERED_URL;
+    if (!url) throw new Error("no Node-RED URL — set MESH_NODERED_URL");
+    return new NodeRedClient(url, env.MESH_NODERED_TOKEN);
+  }
+
+  private headers(extra: Record<string, string> = {}): Record<string, string> {
+    return { Accept: "application/json", ...(this.token ? { Authorization: `Bearer ${this.token}` } : {}), ...extra };
+  }
+
+  private async req(path: string, init: RequestInit = {}): Promise<any> {
+    const res = await fetch(`${this.baseUrl}${path}`, init);
+    if (!res.ok) throw new Error(`Node-RED ${path}: ${res.status} ${await res.text()}`);
+    return res.json();
+  }
+
+  /** The full flow configuration — the flat array of every node across every tab. */
+  async getConfig(): Promise<any[]> {
+    const body = await this.req("/flows", { headers: this.headers() });
+    // /flows answers a bare array by default, or { rev, flows } to a v2-aware client.
+    return Array.isArray(body) ? body : (body.flows ?? []);
+  }
+
+  /** The tabs (flows), each a node of type "tab" in the configuration. */
+  async listFlows(): Promise<{ flows: NodeRedFlow[]; nodeCount: number }> {
+    const config = await this.getConfig();
+    const flows = config
+      .filter((n) => n.type === "tab")
+      .map((n) => ({ id: n.id, label: n.label ?? "(unnamed)", disabled: !!n.disabled }));
+    return { flows, nodeCount: config.length };
+  }
+
+  async listNodes(): Promise<NodeRedNodeModule[]> {
+    const modules = (await this.req("/nodes", { headers: this.headers() })) as any[];
+    return modules.map((m) => ({ name: m.name, version: m.version, types: m.types ?? [] }));
+  }
+
+  /**
+   * Replace the whole flow configuration and deploy. Returns the new revision. `type` maps to
+   * Node-RED's deployment types — "full" (default), "nodes", or "flows".
+   */
+  async deployFlows(config: any[], type = "full"): Promise<{ rev?: string; nodeCount: number }> {
+    const body = await this.req("/flows", {
+      method: "POST",
+      headers: this.headers({ "Content-Type": "application/json", "Node-RED-Deployment-Type": type }),
+      body: JSON.stringify(config),
+    });
+    return { rev: body?.rev, nodeCount: config.length };
+  }
+}
diff --git a/modules/nodered/module.json b/modules/nodered/module.json
index b5d90d9..1bca4dd 100644
--- a/modules/nodered/module.json
+++ b/modules/nodered/module.json
@@ -1,6 +1,12 @@
 {
   "module": "nodered",
   "version": "1",
+  "emits": [
+    "module.nodered.flows.deployed"
+  ],
+  "own-secrets": {
+    "broker": "/var/lib/nodered/broker"
+  },
   "capabilities": [
     "container-runtime"
   ],
diff --git a/modules/nodered/package.json b/modules/nodered/package.json
new file mode 100644
index 0000000..cfa5768
--- /dev/null
+++ b/modules/nodered/package.json
@@ -0,0 +1,14 @@
+{
+  "name": "@novox/module-nodered",
+  "version": "0.1.0",
+  "description": "nodered — flow-based automation. Its client and tools live here (novox/hq ADR 0044).",
+  "type": "module",
+  "private": true,
+  "dependencies": {
+    "@novox/mesh-sdk": "^0.1.0"
+  },
+  "devDependencies": {
+    "@types/node": "^22.0.0",
+    "typescript": "^5.6.0"
+  }
+}
diff --git a/modules/nodered/tools/index.ts b/modules/nodered/tools/index.ts
new file mode 100644
index 0000000..bd6c636
--- /dev/null
+++ b/modules/nodered/tools/index.ts
@@ -0,0 +1,64 @@
+// nodered's tools — importing nodered's own admin-API client (novox/hq ADR 0044). They return
+// structured data; the mesh serves them through the sdk's tool harness.
+//
+// The deploy tool is nodered's one event source (novox/hq ADR 0046/0047): a successful deploy
+// emits module.nodered.flows.deployed. nodered has nothing to observe on a timer, so there is no
+// separate events entrypoint — the emit rides the action that causes it. The emit is best-effort:
+// if no broker is bound, the deploy still succeeds and the announcement is simply skipped.
+
+import { registerModuleTools, type ToolDefinition } from "@novox/mesh-sdk/tools";
+import { emit } from "@novox/mesh-sdk/events";
+import { NodeRedClient } from "../client.js";
+
+export function getNodeRedTools(nodered: NodeRedClient): ToolDefinition[] {
+  return [
+    {
+      name: "nodered_list_flows",
+      description: "List Node-RED flows (tabs) — id, label, disabled state — and the total node count.",
+      input: {},
+      run: async () => nodered.listFlows(),
+    },
+    {
+      name: "nodered_list_nodes",
+      description: "List the Node-RED node modules installed in the runtime and their versions.",
+      input: {},
+      run: async () => {
+        const nodes = await nodered.listNodes();
+        return { count: nodes.length, nodes };
+      },
+    },
+    {
+      name: "nodered_deploy",
+      description:
+        "Replace the whole Node-RED flow configuration and deploy it. `flows` is the full node " +
+        "array (as GET /flows returns). Emits module.nodered.flows.deployed on success.",
+      input: {
+        flows: { type: "array", description: "the full flow configuration — every node across every tab" },
+        type: { type: "string", description: "deployment type: full (default), nodes, or flows" },
+      },
+      run: async (args) => {
+        const flows = args.flows as unknown[];
+        if (!Array.isArray(flows)) throw new Error("flows must be an array of Node-RED nodes");
+        const type = args.type ? String(args.type) : "full";
+        const result = await nodered.deployFlows(flows, type);
+        // Best-effort announcement — a deploy must not fail because the broker is unbound here.
+        try {
+          await emit("module.nodered.flows.deployed", { rev: result.rev, nodeCount: result.nodeCount, type });
+        } catch (err) {
+          console.error(`[nodered] deployed but could not emit: ${err}`);
+        }
+        return result;
+      },
+    },
+  ];
+}
+
+// The tools exist only when a Node-RED URL is configured; without one, nodered contributes none
+// rather than failing the whole tool runtime.
+registerModuleTools("nodered", (env) => {
+  try {
+    return getNodeRedTools(NodeRedClient.fromEnv(env));
+  } catch {
+    return [];
+  }
+});
diff --git a/modules/nodered/tsconfig.json b/modules/nodered/tsconfig.json
new file mode 100644
index 0000000..426d382
--- /dev/null
+++ b/modules/nodered/tsconfig.json
@@ -0,0 +1,12 @@
+{
+  "compilerOptions": {
+    "target": "ES2022",
+    "module": "NodeNext",
+    "moduleResolution": "NodeNext",
+    "strict": true,
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "noEmit": true
+  },
+  "include": ["client.ts", "tools/index.ts"]
+}
diff --git a/modules/tautulli/client.ts b/modules/tautulli/client.ts
new file mode 100644
index 0000000..6c308c6
--- /dev/null
+++ b/modules/tautulli/client.ts
@@ -0,0 +1,98 @@
+// Tautulli's API client — tautulli's own code, living in the module (novox/hq ADR 0044). Both this
+// module's tools and its events entrypoint import it, and nothing outside tautulli does.
+//
+// Tautulli speaks one endpoint: GET /api/v2?apikey=…&cmd=…&<params>, answering
+// { response: { result: "success" | "error", message, data } }. This client unwraps that envelope
+// and hands back only the data.
+
+export interface TautulliSession {
+  user: string;
+  title: string;
+  mediaType: string;
+  state: string;
+  progressPercent: number;
+  player: string;
+}
+
+export interface TautulliWatch {
+  /** Tautulli's history row id — the stable identity a recorded watch is diffed on. */
+  id: number;
+  user: string;
+  title: string;
+  mediaType: string;
+  /** "watched" | "watching" | ... — Tautulli's own watched_status label. */
+  watchedStatus: string;
+  percentComplete: number;
+  /** Unix seconds the play started, as Tautulli reports it. */
+  date?: number;
+}
+
+export interface TautulliHomeStat {
+  statId: string;
+  rows: Array<Record<string, unknown>>;
+}
+
+export class TautulliClient {
+  readonly baseUrl: string;
+
+  constructor(
+    url: string,
+    private readonly apiKey: string,
+  ) {
+    this.baseUrl = url.replace(/\/$/, "");
+  }
+
+  /**
+   * Build from the module's resolved environment. The API key is read from MESH_TAUTULLI_APIKEY
+   * (Tautulli mints it in Settings → Web Interface); the base URL defaults to the local container.
+   * Throws when no key is configured — the module then contributes nothing rather than failing.
+   */
+  static fromEnv(env: NodeJS.ProcessEnv = process.env): TautulliClient {
+    const url = env.MESH_TAUTULLI_URL ?? `http://127.0.0.1:${env.TAUTULLI_PORT ?? "8181"}`;
+    const apiKey = env.MESH_TAUTULLI_APIKEY;
+    if (!apiKey) throw new Error("no Tautulli API key — set MESH_TAUTULLI_APIKEY");
+    return new TautulliClient(url, apiKey);
+  }
+
+  /** Call one Tautulli command and return its unwrapped data, throwing on a non-success result. */
+  private async cmd(command: string, params: Record<string, string> = {}): Promise<any> {
+    const q = new URLSearchParams({ apikey: this.apiKey, cmd: command, ...params });
+    const res = await fetch(`${this.baseUrl}/api/v2?${q.toString()}`);
+    if (!res.ok) throw new Error(`Tautulli ${command}: ${res.status} ${await res.text()}`);
+    const body = (await res.json()).response ?? {};
+    if (body.result !== "success") throw new Error(`Tautulli ${command}: ${body.message ?? "error"}`);
+    return body.data;
+  }
+
+  async getActivity(): Promise<{ streamCount: number; sessions: TautulliSession[] }> {
+    const data = await this.cmd("get_activity");
+    const sessions = ((data?.sessions ?? []) as any[]).map((s) => ({
+      user: s.friendly_name ?? s.user ?? "unknown",
+      title: s.full_title ?? s.title ?? "unknown",
+      mediaType: s.media_type ?? "unknown",
+      state: s.state ?? "unknown",
+      progressPercent: Number(s.progress_percent ?? 0),
+      player: s.player ?? "unknown",
+    }));
+    return { streamCount: Number(data?.stream_count ?? sessions.length), sessions };
+  }
+
+  async getHistory(length = 25): Promise<TautulliWatch[]> {
+    const data = await this.cmd("get_history", { length: String(length), order_column: "date", order_dir: "desc" });
+    return ((data?.data ?? []) as any[]).map((r) => ({
+      id: Number(r.row_id ?? r.id ?? r.reference_id ?? 0),
+      user: r.friendly_name ?? r.user ?? "unknown",
+      title: r.full_title ?? r.title ?? "unknown",
+      mediaType: r.media_type ?? "unknown",
+      watchedStatus: String(r.watched_status ?? ""),
+      percentComplete: Number(r.percent_complete ?? 0),
+      date: r.date != null ? Number(r.date) : undefined,
+    }));
+  }
+
+  /** The home-page statistics blocks — most-watched shows, most-active users, and so on. */
+  async getHomeStats(): Promise<TautulliHomeStat[]> {
+    const data = (await this.cmd("get_home_stats")) as any[];
+    return (data ?? []).map((s) => ({ statId: s.stat_id, rows: s.rows ?? [] }));
+  }
+}
diff --git a/modules/tautulli/index.ts b/modules/tautulli/index.ts
new file mode 100644
index 0000000..faa6c77
--- /dev/null
+++ b/modules/tautulli/index.ts
@@ -0,0 +1,48 @@
+// tautulli's events. The tool runtime imports this once the broker is bound. It watches Tautulli's
+// history and announces each newly recorded watch.
+//
+// Emits (novox/hq ADR 0046/0047):
+//   module.tautulli.watch.recorded   — a play appeared in Tautulli's history
+//
+// Diffed on the history row id and primed silently on the first look, so a restart does not
+// re-announce the whole existing history as freshly watched.
+
+import { emit } from "@novox/mesh-sdk/events";
+import { TautulliClient, type TautulliWatch } from "./client.js";
+
+// Constructed lazily so an unconfigured node (no API key) loads this entrypoint without crashing
+// the events host — it simply watches nothing.
+let tautulli: TautulliClient | undefined;
+try {
+  tautulli = TautulliClient.fromEnv();
+} catch (err) {
+  console.log(`[tautulli] not configured, not watching history: ${err}`);
+}
+
+const seen = new Set<number>();
+let primed = false;
+
+async function pollHistory(client: TautulliClient): Promise<void> {
+  const history = await client.getHistory(25);
+  for (const w of history) {
+    if (w.id === 0 || seen.has(w.id)) continue;
+    if (primed) await emitWatch(w);
+    seen.add(w.id);
+  }
+  primed = true;
+}
+
+async function emitWatch(w: TautulliWatch): Promise<void> {
+  await emit("module.tautulli.watch.recorded", {
+    title: w.title, user: w.user, mediaType: w.mediaType,
+    watchedStatus: w.watchedStatus, percentComplete: w.percentComplete, at: w.date,
+  });
+}
+
+if (tautulli) {
+  const client = tautulli;
+  const run = (): void => void pollHistory(client).catch((err) => console.error(`[tautulli] ${err}`));
+  setInterval(run, 60_000);
+  run();
+  console.log("[tautulli] watching watch history");
+}
diff --git a/modules/tautulli/module.json b/modules/tautulli/module.json
index da05783..d3d3483 100644
--- a/modules/tautulli/module.json
+++ b/modules/tautulli/module.json
@@ -1,6 +1,12 @@
 {
   "module": "tautulli",
   "version": "1",
+  "emits": [
+    "module.tautulli.watch.recorded"
+  ],
+  "own-secrets": {
+    "broker": "/var/lib/tautulli/broker"
+  },
   "capabilities": [
     "container-runtime"
   ],
diff --git a/modules/tautulli/package.json b/modules/tautulli/package.json
new file mode 100644
index 0000000..9cd4335
--- /dev/null
+++ b/modules/tautulli/package.json
@@ -0,0 +1,14 @@
+{
+  "name": "@novox/module-tautulli",
+  "version": "0.1.0",
+  "description": "tautulli — Plex watch statistics. Its API client, tools and events live here (novox/hq ADR 0044).",
+  "type": "module",
+  "private": true,
+  "dependencies": {
+    "@novox/mesh-sdk": "^0.1.0"
+  },
+  "devDependencies": {
+    "@types/node": "^22.0.0",
+    "typescript": "^5.6.0"
+  }
+}
diff --git a/modules/tautulli/tools/index.ts b/modules/tautulli/tools/index.ts
new file mode 100644
index 0000000..b5697d6
--- /dev/null
+++ b/modules/tautulli/tools/index.ts
@@ -0,0 +1,44 @@
+// tautulli's tools — importing tautulli's own client (novox/hq ADR 0044). They return structured
+// data; the mesh serves them through the sdk's tool harness.
+
+import { registerModuleTools, type ToolDefinition } from "@novox/mesh-sdk/tools";
+import { TautulliClient } from "../client.js";
+
+export function getTautulliTools(tautulli: TautulliClient): ToolDefinition[] {
+  return [
+    {
+      name: "tautulli_activity",
+      description: "Current Plex activity as Tautulli sees it — who is streaming what, and progress.",
+      input: {},
+      run: async () => tautulli.getActivity(),
+    },
+    {
+      name: "tautulli_history",
+      description: "Recent Plex watch history — who watched what, and whether they finished.",
+      input: { length: { type: "number", description: "how many rows (default 25)" } },
+      run: async (args) => {
+        const history = await tautulli.getHistory(args.length ? Number(args.length) : 25);
+        return { count: history.length, history };
+      },
+    },
+    {
+      name: "tautulli_stats",
+      description: "Tautulli home statistics — most-watched media, most-active users, and platforms.",
+      input: {},
+      run: async () => {
+        const stats = await tautulli.getHomeStats();
+        return { count: stats.length, stats };
+      },
+    },
+  ];
+}
+
+// The tools exist only when an API key can be resolved; without one, tautulli contributes none
+// rather than failing the whole tool runtime.
+registerModuleTools("tautulli", (env) => {
+  try {
+    return getTautulliTools(TautulliClient.fromEnv(env));
+  } catch {
+    return [];
+  }
+});
diff --git a/modules/tautulli/tsconfig.json b/modules/tautulli/tsconfig.json
new file mode 100644
index 0000000..3677859
--- /dev/null
+++ b/modules/tautulli/tsconfig.json
@@ -0,0 +1,12 @@
+{
+  "compilerOptions": {
+    "target": "ES2022",
+    "module": "NodeNext",
+    "moduleResolution": "NodeNext",
+    "strict": true,
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "noEmit": true
+  },
+  "include": ["client.ts", "index.ts", "tools/index.ts"]
+}