diff --git a/deploy/ops-agent/ops-agent.service b/deploy/ops-agent/ops-agent.service
new file mode 100644
index 0000000..69c02bf
--- /dev/null
+++ b/deploy/ops-agent/ops-agent.service
@@ -0,0 +1,23 @@
+[Unit]
+Description=Ops Agent – privileged command bridge for ops-dashboard
+After=network.target
+
+[Service]
+Type=simple
+User=ops-agent
+Group=ops-agent
+WorkingDirectory=/opt/ops-agent
+ExecStart=/usr/bin/node /opt/ops-agent/dist/index.js
+Restart=on-failure
+RestartSec=5s
+StandardOutput=journal
+StandardError=journal
+SyslogIdentifier=ops-agent
+
+Environment=OPS_AGENT_PORT=4242
+Environment=OPS_AGENT_HOST=127.0.0.1
+Environment=OPS_AGENT_WHITELIST_PATH=/etc/ops-agent/commands.yml
+Environment=OPS_AGENT_SECRET_PATH=/etc/ops-agent/secret
+
+[Install]
+WantedBy=multi-user.target
diff --git a/deploy/ops-agent/setup.sh b/deploy/ops-agent/setup.sh
new file mode 100644
index 0000000..b69c3aa
--- /dev/null
+++ b/deploy/ops-agent/setup.sh
@@ -0,0 +1,54 @@
+#!/usr/bin/env bash
+# Deploy ops-agent to the host.
+# Run as root.
+set -euo pipefail
+
+REPO_DIR="$(cd "$(dirname "$0")/../.." && pwd)"
+INSTALL_DIR=/opt/ops-agent
+CONFIG_DIR=/etc/ops-agent
+SERVICE_FILE=/etc/systemd/system/ops-agent.service
+
+echo "==> Creating ops-agent system user"
+if ! id ops-agent &>/dev/null; then
+  useradd --system --no-create-home --shell /usr/sbin/nologin ops-agent
+fi
+
+echo "==> Installing service files to ${INSTALL_DIR}"
+mkdir -p "${INSTALL_DIR}"
+rsync -a --delete \
+  --exclude=node_modules \
+  --exclude=.git \
+  "${REPO_DIR}/ops-agent/" "${INSTALL_DIR}/"
+
+echo "==> Installing Node dependencies"
+cd "${INSTALL_DIR}"
+npm ci --omit=dev 2>/dev/null || npm install --omit=dev
+
+echo "==> Building TypeScript"
+npx tsc
+
+chown -R ops-agent:ops-agent "${INSTALL_DIR}"
+
+echo "==> Installing config dir"
+mkdir -p "${CONFIG_DIR}"
+if [ ! -f "${CONFIG_DIR}/commands.yml" ]; then
+  cp "${REPO_DIR}/ops-agent/commands.yml.example" "${CONFIG_DIR}/commands.yml"
+  echo "  Installed default commands.yml — review before use"
+fi
+
+echo "==> Generating shared secret (if not present)"
+if [ ! -f "${CONFIG_DIR}/secret" ]; then
+  openssl rand -hex 32 > "${CONFIG_DIR}/secret"
+fi
+chown root:ops-agent "${CONFIG_DIR}/secret"
+chmod 0640 "${CONFIG_DIR}/secret"
+
+echo "==> Installing systemd unit"
+cp "${REPO_DIR}/deploy/ops-agent/ops-agent.service" "${SERVICE_FILE}"
+
+echo "==> Enabling and starting ops-agent"
+systemctl daemon-reload
+systemctl enable --now ops-agent
+
+echo "==> Done. Status:"
+systemctl status ops-agent --no-pager
diff --git a/ops-agent/.gitignore b/ops-agent/.gitignore
new file mode 100644
index 0000000..b947077
--- /dev/null
+++ b/ops-agent/.gitignore
@@ -0,0 +1,2 @@
+node_modules/
+dist/
diff --git a/ops-agent/commands.yml.example b/ops-agent/commands.yml.example
new file mode 100644
index 0000000..884d65c
--- /dev/null
+++ b/ops-agent/commands.yml.example
@@ -0,0 +1,21 @@
+# Whitelist of allowed commands for ops-agent.
+# Copy to /etc/ops-agent/commands.yml on the host.
+# Restart ops-agent after changes.
+
+commands:
+  docker_ps:
+    exec: "docker ps --format table"
+    description: "List running Docker containers"
+
+  git_status:
+    exec: "git -C /srv/ops status --short"
+    description: "Git status of the ops directory"
+
+  systemctl_status:
+    exec: "systemctl status"
+    args_allowed: []
+    description: "Show systemctl status (no args)"
+
+  caddy_show_config:
+    exec: "caddy fmt /etc/caddy/Caddyfile"
+    description: "Print the formatted Caddy config"
diff --git a/ops-agent/package-lock.json b/ops-agent/package-lock.json
new file mode 100644
index 0000000..5fb3f14
--- /dev/null
+++ b/ops-agent/package-lock.json
@@ -0,0 +1,745 @@
+{
+  "name": "ops-agent",
+  "version": "0.1.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "ops-agent",
+      "version": "0.1.0",
+      "dependencies": {
+        "@fastify/cors": "^10.0.1",
+        "fastify": "^5.3.2",
+        "js-yaml": "^4.1.0"
+      },
+      "devDependencies": {
+        "@types/js-yaml": "^4.0.9",
+        "@types/node": "^22.15.3",
+        "typescript": "^5.8.3"
+      }
+    },
+    "node_modules/@fastify/ajv-compiler": {
+      "version": "4.0.5",
+      "resolved": "https://registry.npmjs.org/@fastify/ajv-compiler/-/ajv-compiler-4.0.5.tgz",
+      "integrity": "sha512-KoWKW+MhvfTRWL4qrhUwAAZoaChluo0m0vbiJlGMt2GXvL4LVPQEjt8kSpHI3IBq5Rez8fg+XeH3cneztq+C7A==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/fastify"
+        },
+        {
+          "type": "opencollective",
+          "url": "https://opencollective.com/fastify"
+        }
+      ],
+      "license": "MIT",
+      "dependencies": {
+        "ajv": "^8.12.0",
+        "ajv-formats": "^3.0.1",
+        "fast-uri": "^3.0.0"
+      }
+    },
+    "node_modules/@fastify/cors": {
+      "version": "10.1.0",
+      "resolved": "https://registry.npmjs.org/@fastify/cors/-/cors-10.1.0.tgz",
+      "integrity": "sha512-MZyBCBJtII60CU9Xme/iE4aEy8G7QpzGR8zkdXZkDFt7ElEMachbE61tfhAG/bvSaULlqlf0huMT12T7iqEmdQ==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/fastify"
+        },
+        {
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+        }
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+      "license": "MIT",
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+        "mnemonist": "0.40.0"
+      }
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+          "url": "https://github.com/sponsors/fastify"
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+        }
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+      ],
+      "license": "MIT",
+      "dependencies": {
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+      }
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+    "node_modules/@fastify/proxy-addr": {
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+        "ipaddr.js": "^2.1.0"
+      }
+    },
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+          "url": "https://opencollective.com/fastify"
+        }
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+      "license": "MIT",
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+        "secure-json-parse": "^4.0.0",
+        "semver": "^7.6.0",
+        "toad-cache": "^3.7.0"
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+    },
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+          "url": "https://github.com/sponsors/fastify"
+        },
+        {
+          "type": "opencollective",
+          "url": "https://opencollective.com/fastify"
+        }
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+      "license": "MIT"
+    },
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+      "dependencies": {
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+}
diff --git a/ops-agent/package.json b/ops-agent/package.json
new file mode 100644
index 0000000..c1aae28
--- /dev/null
+++ b/ops-agent/package.json
@@ -0,0 +1,20 @@
+{
+  "name": "ops-agent",
+  "version": "0.1.0",
+  "private": true,
+  "scripts": {
+    "build": "tsc",
+    "start": "node dist/index.js",
+    "dev": "ts-node --esm src/index.ts"
+  },
+  "dependencies": {
+    "@fastify/cors": "^10.0.1",
+    "fastify": "^5.3.2",
+    "js-yaml": "^4.1.0"
+  },
+  "devDependencies": {
+    "@types/js-yaml": "^4.0.9",
+    "@types/node": "^22.15.3",
+    "typescript": "^5.8.3"
+  }
+}
diff --git a/ops-agent/src/auth.ts b/ops-agent/src/auth.ts
new file mode 100644
index 0000000..6d4fda8
--- /dev/null
+++ b/ops-agent/src/auth.ts
@@ -0,0 +1,29 @@
+import fs from 'fs';
+import { FastifyRequest, FastifyReply } from 'fastify';
+
+const SECRET_PATH = process.env.OPS_AGENT_SECRET_PATH ?? '/etc/ops-agent/secret';
+
+let secret: string | null = null;
+
+export function loadSecret(): void {
+  if (!fs.existsSync(SECRET_PATH)) {
+    console.warn(`[auth] Secret file not found at ${SECRET_PATH} — auth disabled`);
+    return;
+  }
+  const stat = fs.statSync(SECRET_PATH);
+  // Warn if permissions are too open (should be 0600)
+  if ((stat.mode & 0o177) !== 0) {
+    console.warn(`[auth] Warning: ${SECRET_PATH} has loose permissions — expected 0600`);
+  }
+  secret = fs.readFileSync(SECRET_PATH, 'utf8').trim();
+}
+
+export async function authHook(req: FastifyRequest, reply: FastifyReply): Promise<void> {
+  if (secret === null) return; // auth disabled
+
+  const header = req.headers['authorization'] ?? '';
+  const token = header.startsWith('Bearer ') ? header.slice(7) : '';
+  if (token !== secret) {
+    await reply.status(401).send({ error: 'unauthorized' });
+  }
+}
diff --git a/ops-agent/src/index.ts b/ops-agent/src/index.ts
new file mode 100644
index 0000000..936950a
--- /dev/null
+++ b/ops-agent/src/index.ts
@@ -0,0 +1,32 @@
+import Fastify from 'fastify';
+import cors from '@fastify/cors';
+import { loadWhitelist } from './whitelist.js';
+import { loadSecret, authHook } from './auth.js';
+import { healthRoutes } from './routes/health.js';
+import { execRoutes } from './routes/exec.js';
+
+const WHITELIST_PATH = process.env.OPS_AGENT_WHITELIST_PATH ?? '/etc/ops-agent/commands.yml';
+const PORT = parseInt(process.env.OPS_AGENT_PORT ?? '4242', 10);
+const HOST = process.env.OPS_AGENT_HOST ?? '127.0.0.1';
+
+async function main() {
+  loadWhitelist(WHITELIST_PATH);
+  loadSecret();
+
+  const app = Fastify({ logger: true });
+
+  await app.register(cors, { origin: false });
+
+  app.addHook('onRequest', authHook);
+
+  await app.register(healthRoutes);
+  await app.register(execRoutes);
+
+  await app.listen({ port: PORT, host: HOST });
+  console.log(`ops-agent listening on ${HOST}:${PORT}`);
+}
+
+main().catch((err) => {
+  console.error(err);
+  process.exit(1);
+});
diff --git a/ops-agent/src/routes/exec.ts b/ops-agent/src/routes/exec.ts
new file mode 100644
index 0000000..a708657
--- /dev/null
+++ b/ops-agent/src/routes/exec.ts
@@ -0,0 +1,56 @@
+import { FastifyInstance, FastifyRequest } from 'fastify';
+import { spawn } from 'child_process';
+import { getCommand } from '../whitelist.js';
+
+interface ExecBody {
+  command_key: string;
+  args?: string[];
+}
+
+export async function execRoutes(app: FastifyInstance): Promise<void> {
+  app.post('/agent/v1/exec', async (req: FastifyRequest<{ Body: ExecBody }>, reply) => {
+    const { command_key, args = [] } = req.body;
+
+    const def = getCommand(command_key);
+    if (!def) {
+      return reply
+        .status(403)
+        .send({ error: `command_key '${command_key}' is not in the whitelist` });
+    }
+
+    reply.raw.writeHead(200, {
+      'Content-Type': 'text/event-stream',
+      'Cache-Control': 'no-cache',
+      Connection: 'keep-alive',
+    });
+
+    const sendEvent = (event: string, data: string) => {
+      reply.raw.write(`event: ${event}\ndata: ${JSON.stringify({ data })}\n\n`);
+    };
+
+    const [bin, ...staticArgs] = def.exec.split(' ');
+    const child = spawn(bin, [...staticArgs, ...args], { shell: false });
+
+    child.stdout.on('data', (chunk: Buffer) => {
+      sendEvent('stdout', chunk.toString());
+    });
+
+    child.stderr.on('data', (chunk: Buffer) => {
+      sendEvent('stderr', chunk.toString());
+    });
+
+    child.on('close', (code) => {
+      reply.raw.write(`event: exit\ndata: ${JSON.stringify({ code })}\n\n`);
+      reply.raw.end();
+    });
+
+    child.on('error', (err) => {
+      reply.raw.write(`event: error\ndata: ${JSON.stringify({ message: err.message })}\n\n`);
+      reply.raw.end();
+    });
+
+    req.raw.on('close', () => {
+      child.kill();
+    });
+  });
+}
diff --git a/ops-agent/src/routes/health.ts b/ops-agent/src/routes/health.ts
new file mode 100644
index 0000000..f7998a8
--- /dev/null
+++ b/ops-agent/src/routes/health.ts
@@ -0,0 +1,7 @@
+import { FastifyInstance } from 'fastify';
+
+export async function healthRoutes(app: FastifyInstance): Promise<void> {
+  app.get('/agent/v1/health', async (_req, reply) => {
+    return reply.send({ status: 'ok', uptime: process.uptime() });
+  });
+}
diff --git a/ops-agent/src/whitelist.ts b/ops-agent/src/whitelist.ts
new file mode 100644
index 0000000..519931d
--- /dev/null
+++ b/ops-agent/src/whitelist.ts
@@ -0,0 +1,26 @@
+import fs from 'fs';
+import yaml from 'js-yaml';
+
+export interface CommandDef {
+  exec: string;
+  args_allowed?: string[];
+  description?: string;
+}
+
+export type Whitelist = Record<string, CommandDef>;
+
+let whitelist: Whitelist = {};
+
+export function loadWhitelist(path: string): void {
+  const raw = fs.readFileSync(path, 'utf8');
+  const parsed = yaml.load(raw) as { commands: Whitelist };
+  whitelist = parsed.commands ?? {};
+}
+
+export function getCommand(key: string): CommandDef | undefined {
+  return whitelist[key];
+}
+
+export function listCommands(): string[] {
+  return Object.keys(whitelist);
+}
diff --git a/ops-agent/tsconfig.json b/ops-agent/tsconfig.json
new file mode 100644
index 0000000..6b07b3a
--- /dev/null
+++ b/ops-agent/tsconfig.json
@@ -0,0 +1,15 @@
+{
+  "compilerOptions": {
+    "target": "ES2022",
+    "module": "commonjs",
+    "lib": ["ES2022"],
+    "outDir": "./dist",
+    "rootDir": "./src",
+    "strict": true,
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "resolveJsonModule": true
+  },
+  "include": ["src/**/*"],
+  "exclude": ["node_modules", "dist"]
+}