diff --git a/.github/workflows/netsim_integration.yml b/.github/workflows/netsim_integration.yml
index 810e4c3..70decfa 100644
--- a/.github/workflows/netsim_integration.yml
+++ b/.github/workflows/netsim_integration.yml
@@ -45,11 +45,28 @@ jobs:
         git clone https://github.com/n0-computer/iroh.git
         cd iroh
         cargo build --release
+    
+    - name: Fetch and build iroh-ffi
+      run: |
+        git clone https://github.com/n0-computer/iroh-ffi.git
+        cd iroh-ffi
+        echo "iroh = { path = \"../iroh\" }" >> Cargo.toml
+        pip3 install maturin uniffi-bindgen
+        maturin build --release
 
     - name: Copy binaries to right location
       run: |
         cp target/release/chuck netsim/bins/chuck
         cp iroh/target/release/iroh netsim/bins/iroh
+        cp iroh-ffi/target/wheels/iroh-*-py3-none-manylinux_2_34_x86_64.whl ./netsim/bins/
+
+    - name: Setup python venv
+      run: |
+        cd netsim
+        python3 -m venv venv
+        source venv/bin/activate
+        pip3 install bins/iroh-*.whl
+        pip3 install -r playbooks/requirements.txt
 
     - name: Run tests
       run: |
@@ -57,6 +74,7 @@ jobs:
         sudo kill -9 $(pgrep ovs)
         sudo mn --clean
         sudo python3 main.py --integration sims/standard/iroh.json
+        sudo python3 main.py --integration sims/example/playbook.json
 
     - name: Setup Environment (PR)  
       if: ${{ github.event_name == 'pull_request' }}  
diff --git a/netsim/main.py b/netsim/main.py
index c8ae8a5..482f2d3 100644
--- a/netsim/main.py
+++ b/netsim/main.py
@@ -33,6 +33,32 @@ def logs_on_error(nodes, prefix):
             else:
                 print('[WARN] log file missing: %s' % log_name)
 
+def build_cmd(node, i, node_ips, node_params, node_counts):
+    cmd = node['cmd']
+    if 'param' in node:
+        if node['param'] == 'id':
+            cmd = cmd % i
+    if node['connect']['strategy'] == 'plain':
+        cnt = node_counts[node['connect']['node']]
+        id = i % cnt
+        connect_to = '%s_%d' % (node['connect']['node'], id)
+        ip = node_ips[connect_to]
+        cmd = cmd % ip
+    if node['connect']['strategy'] == 'plain_with_id':
+        cnt = node_counts[node['connect']['node']]
+        id = i % cnt
+        connect_to = '%s_%d' % (node['connect']['node'], id)
+        ip = node_ips[connect_to]
+        cmd = cmd % (ip, id)
+    if node['connect']['strategy'] == 'params':
+        cnt = node_counts[node['connect']['node']]
+        id = i % cnt
+        connect_to = '%s_%d' % (node['connect']['node'], id)
+        param = node_params[connect_to]
+        cmd = cmd % (param)
+    return cmd
+
+
 def run(nodes, prefix, args, debug=False, full_debug=False, visualize=False):
     integration = args.integration
     topo = StarTopo(nodes=nodes)
@@ -72,42 +98,39 @@ def run(nodes, prefix, args, debug=False, full_debug=False, visualize=False):
 
     temp_dirs = []
 
+    ftc = []
+
     for node in nodes:
         node_counts[node['name']] = int(node['count'])
         for i in range(int(node['count'])):
             node_name = '%s_%d' % (node['name'], i)
             f = open('logs/%s__%s.txt' % (prefix, node_name), 'w+')
+            ftc.append(f)
             n = net.get(node_name)
             node_ips[node_name] = n.IP()
-            cmd = node['cmd']
-            if 'param' in node:
-                if node['param'] == 'id':
-                    cmd = cmd % i
-            if node['connect']['strategy'] == 'plain':
-                cnt = node_counts[node['connect']['node']]
-                id = i % cnt
-                connect_to = '%s_%d' % (node['connect']['node'], id)
-                ip = node_ips[connect_to]
-                cmd = cmd % ip
-            if node['connect']['strategy'] == 'plain_with_id':
-                cnt = node_counts[node['connect']['node']]
-                id = i % cnt
-                connect_to = '%s_%d' % (node['connect']['node'], id)
-                ip = node_ips[connect_to]
-                cmd = cmd % (ip, id)
-            if node['connect']['strategy'] == 'params':
-                cnt = node_counts[node['connect']['node']]
-                id = i % cnt
-                connect_to = '%s_%d' % (node['connect']['node'], id)
-                param = node_params[connect_to]
-                cmd = cmd % (param)
+            cmd = ""
+            if 'cmd' in node:
+                cmd = build_cmd(node, i, node_ips, node_params, node_counts)
+            elif 'playbook' in node:
+                requirements_path = node['playbook']['requirements']
+                playbook_path = node['playbook']['path']
+                cmd = f"source venv/bin/activate && python3 playbooks/{playbook_path}"
+                if node['connect']['strategy'] == 'plain':
+                    cnt = node_counts[node['connect']['node']]
+                    id = i % cnt
+                    connect_to = '%s_%d' % (node['connect']['node'], id)
+                    ip = node_ips[connect_to]
+                    cmd = cmd + ' ' + ip
+            else:
+                print("error: no command or playbook specified")
+                exit(1)
             # cleanup_run = subprocess.run("sudo rm -rf /root/.local/share/iroh", shell=True, capture_output=True)
             time.sleep(0.1)
             env_vars['SSLKEYLOGFILE']= './logs/keylog_%s_%s.txt' % (prefix, node_name)
 
             temp_dir = tempfile.TemporaryDirectory(prefix='netsim', suffix='{}_{}'.format(prefix, node_name))
             temp_dirs.append(temp_dir)
-            env_vars['IROH_DATA_DIR'] = '{}'.format(temp_dir)
+            env_vars['IROH_DATA_DIR'] = '{}'.format(temp_dir.name)
             
             p = n.popen(cmd, stdout=f, stderr=f, shell=True, env=env_vars)
             if 'process' in node and node['process'] == 'short':
@@ -126,15 +149,15 @@ def run(nodes, prefix, args, debug=False, full_debug=False, visualize=False):
                     found = 0
                     node_name = '%s_%d' % (node['name'], zz)
                     n = net.get(node_name)
-                    f = open('logs/%s__%s.txt' % (prefix, node_name), 'r')
-                    lines = f.readlines()
+                    fx = open('logs/%s__%s.txt' % (prefix, node_name), 'r')
+                    lines = fx.readlines()
                     for line in lines:
                         if node['param_parser'] == 'iroh_ticket':
                             if line.startswith('All-in-one ticket'):
                                 node_params[node_name] = line[len('All-in-one ticket: '):].strip()
                                 found+=1
                                 break
-                    f.close()
+                    fx.close()
                     if found == int(node['count']):
                         done_wait = True
                         break
@@ -163,6 +186,9 @@ def run(nodes, prefix, args, debug=False, full_debug=False, visualize=False):
             p.terminate()
     for p in p_box:
         p.terminate()
+    for f in ftc:
+        f.flush()
+        f.close()
     net.stop()
     sniffer.close()
 
diff --git a/netsim/playbooks/get.py b/netsim/playbooks/get.py
new file mode 100644
index 0000000..212119f
--- /dev/null
+++ b/netsim/playbooks/get.py
@@ -0,0 +1,61 @@
+import os
+import playbook_client as pbc
+import iroh
+import time
+import argparse
+import logging
+import sys
+
+iroh.set_log_level(iroh.LogLevel.DEBUG)
+
+# Configure the logging system
+logging.basicConfig(
+    level=logging.INFO,
+    format="%(asctime)s [%(levelname)s] %(message)s",
+    stream=sys.stderr
+)
+
+parser = argparse.ArgumentParser(description="Test param handler")
+parser.add_argument("--syncer", help="Syncer address")
+args = parser.parse_args()
+
+# syncer = pbc.Syncer(addr="http://127.0.0.1:8000")
+syncer = pbc.Syncer(addr=f"http://{args.syncer}:8000")
+
+IROH_DATA_DIR = os.environ.get("IROH_DATA_DIR")
+
+if IROH_DATA_DIR is None:
+    logging.info("IROH_DATA_DIR is not set")
+    exit(1)
+
+node = iroh.IrohNode(IROH_DATA_DIR)
+logging.info("Started Iroh node: {}".format(node.node_id()))
+
+syncer.set("srv_node_id", node.node_id())
+
+author = node.author_new()
+logging.info("Created author: {}".format(author.to_string()))
+
+ticket = syncer.wait_for("ticket")
+
+doc_ticket = iroh.DocTicket.from_string(ticket)
+doc = node.doc_join(doc_ticket)
+logging.info("Joined doc: {}".format(doc.id()))
+
+syncer.set("get_ready", 1)
+
+time.sleep(15)
+
+keys = doc.keys()
+logging.info("Keys:")
+for key in keys:
+    content = doc.get_content_bytes(key)
+    logging.info("{} : {} (hash: {})".format(key.key(), content.decode("utf8"), key.hash().to_string()))
+
+logging.info("Done logging.infoing keys...")
+
+syncer.inc("test_done")
+time.sleep(5)
+syncer.inc("test_done")
+
+logging.info("Done")
\ No newline at end of file
diff --git a/netsim/playbooks/playbook_client.py b/netsim/playbooks/playbook_client.py
new file mode 100644
index 0000000..233aa15
--- /dev/null
+++ b/netsim/playbooks/playbook_client.py
@@ -0,0 +1,54 @@
+import requests
+import json
+import time
+import logging
+
+# The playbook_engine should always be the first node to spawn
+default_url = "http://10.0.0.1:8000"
+
+class Syncer:
+    def __init__(self, addr=default_url, run_id="", tick_interval = 0.5, timeout=60):
+        self.addr = addr
+        self.run_id = run_id
+        self.tick_interval = tick_interval
+        self.timeout = timeout
+
+    def set(self, key, value):
+        key = f"{self.run_id}_{key}"
+        data = {"key": key, "value": value}
+        response = requests.post(self.addr, data=json.dumps(data), headers={"Content-Type": "application/json"})
+        if response.status_code != 200:
+            logging.info("Error setting value:", response.text)
+    
+    def inc(self, key):
+        key = f"{self.run_id}_{key}"
+        response = requests.put(f"{self.addr}/{key}")
+        if response.status_code != 200:
+            logging.info("Error incrementing value:", response.text)
+    
+    def wait_for(self, key):
+        key = f"{self.run_id}_{key}"
+        start = time.time()
+        while True:
+            logging.info("wating 1...")
+            if time.time() - start > self.timeout:
+                raise Exception(f"Timeout waiting for {key}")
+            response = requests.get(f"{self.addr}/{key}")
+            if response.status_code == 200:
+                value = json.loads(response.text)
+                return value
+            time.sleep(self.tick_interval)
+        
+    def wait_for_val(self, key, val):
+        key = f"{self.run_id}_{key}"
+        start = time.time()
+        while True:
+            logging.info("wating 2...")
+            if time.time() - start > self.timeout:
+                raise Exception(f"Timeout waiting for {key} to be {val}")
+            response = requests.get(f"{self.addr}/{key}")
+            if response.status_code == 200:
+                value = json.loads(response.text)
+                if value == val:
+                    return value
+            time.sleep(self.tick_interval)
\ No newline at end of file
diff --git a/netsim/playbooks/playbook_engine.py b/netsim/playbooks/playbook_engine.py
new file mode 100644
index 0000000..d42e45d
--- /dev/null
+++ b/netsim/playbooks/playbook_engine.py
@@ -0,0 +1,105 @@
+from http.server import BaseHTTPRequestHandler, HTTPServer
+import json
+from threading import Lock
+import logging
+import sys
+
+# Configure the logging system
+logging.basicConfig(
+    level=logging.DEBUG,
+    format="%(asctime)s [%(levelname)s] %(message)s",
+    stream=sys.stderr
+)
+
+# Define the key-value store
+store = {}
+lock = Lock()
+
+# Define the HTTP request handler
+class KeyValueStoreHandler(BaseHTTPRequestHandler):
+    def do_GET(self):
+        with lock:
+            try:
+                # Get the key from the URL path
+                key = self.path[1:]
+
+                # Get the value from the store
+                value = store.get(key)
+
+                if value is None:
+                    # Send a 404 response
+                    self.send_response(404)
+                    self.end_headers()
+                    return
+
+                # Send the value as JSON
+                self.send_response(200)
+                self.send_header("Content-type", "application/json")
+                self.end_headers()
+                self.wfile.write(json.dumps(value).encode())
+            except Exception as e:
+                logging.error(f"unexpected error: {e}")
+
+    def do_POST(self):
+        with lock:
+            try:
+                # Get the key and value from the request body
+                content_length = int(self.headers["Content-Length"])
+                body = self.rfile.read(content_length)
+                data = json.loads(body.decode())
+                key = data["key"]
+                value = data["value"]
+
+                # Set the value in the store
+                store[key] = value
+
+                # Send a success response
+                self.send_response(200)
+                self.end_headers()
+            except:
+                try:
+                    # Send a 500 response
+                    self.send_response(500)
+                    self.end_headers()
+                except Exception as e:
+                    logging.error(f"unexpected error: {e}")
+
+    def do_PUT(self):
+        with lock:
+            try:
+                # Get the key from the URL path
+                key = self.path[1:]
+
+                # Get the value from the store
+                value = store.get(key)
+
+                if value is None:
+                    value = 0
+
+                # Increment the value
+                value += 1
+
+                # Set the new value in the store
+                store[key] = value
+
+                # Send the new value as JSON
+                self.send_response(200)
+                self.send_header("Content-type", "application/json")
+                self.end_headers()
+                self.wfile.write(json.dumps(value).encode())
+            except:
+                try:
+                    # Send a 500 response
+                    self.send_response(500)
+                    self.end_headers()
+                except Exception as e:
+                    logging.error(f"unexpected error: {e}")
+
+if __name__ == '__main__':
+    # Define the HTTP server
+    server_address = ("", 8000)
+    httpd = HTTPServer(server_address, KeyValueStoreHandler)
+
+    # Start the HTTP server
+    logging.info("Starting HTTP server...")
+    httpd.serve_forever()
\ No newline at end of file
diff --git a/netsim/playbooks/requirements.txt b/netsim/playbooks/requirements.txt
new file mode 100644
index 0000000..1301721
--- /dev/null
+++ b/netsim/playbooks/requirements.txt
@@ -0,0 +1,2 @@
+# iroh==0.2.0
+requests==2.31.0
\ No newline at end of file
diff --git a/netsim/playbooks/serve.py b/netsim/playbooks/serve.py
new file mode 100644
index 0000000..d91d3c7
--- /dev/null
+++ b/netsim/playbooks/serve.py
@@ -0,0 +1,57 @@
+import os
+import playbook_client as pbc
+import iroh
+import argparse
+import logging
+import sys
+
+iroh.set_log_level(iroh.LogLevel.DEBUG)
+
+# Configure the logging system
+logging.basicConfig(
+    level=logging.INFO,
+    format="%(asctime)s [%(levelname)s] %(message)s",
+    stream=sys.stderr
+)
+
+parser = argparse.ArgumentParser(description="Test param handler")
+parser.add_argument("--syncer", help="Syncer address")
+args = parser.parse_args()
+
+# syncer = pbc.Syncer(addr="http://127.0.0.1:8000")
+syncer = pbc.Syncer(addr=f"http://{args.syncer}:8000")
+
+IROH_DATA_DIR = os.environ.get("IROH_DATA_DIR")
+logging.info("IROH_DATA_DIR: {}".format(IROH_DATA_DIR))
+
+if IROH_DATA_DIR is None:
+    logging.info("IROH_DATA_DIR is not set")
+    exit(1)
+
+logging.info("Starting Iroh node...")
+
+node = iroh.IrohNode(IROH_DATA_DIR)
+logging.info("Started Iroh node: {}".format(node.node_id()))
+
+syncer.set("srv_node_id", node.node_id())
+
+author = node.author_new()
+logging.info("Created author: {}".format(author.to_string()))
+
+doc = node.doc_new()
+logging.info("Created doc: {}".format(doc.id()))
+
+ticket = doc.share_write()
+logging.info("Write-Access Ticket: {}".format(ticket.to_string()))
+
+syncer.set("ticket", ticket.to_string())
+
+syncer.wait_for("get_ready")
+logging.info("Ready!")
+
+hash = doc.set_bytes(author, bytes("foo", "utf8"), bytes("bar", "utf8"))
+logging.info("Inserted: {}".format(hash.to_string()))
+
+syncer.wait_for_val("test_done", "2")
+
+logging.info("Done")
\ No newline at end of file
diff --git a/netsim/sims/example/playbook.json b/netsim/sims/example/playbook.json
new file mode 100644
index 0000000..439df69
--- /dev/null
+++ b/netsim/sims/example/playbook.json
@@ -0,0 +1,55 @@
+{
+    "name": "iroh_playbook",
+    "cases": [
+        {
+            "name": "1_to_1",
+            "description": "",
+            "nodes": [
+                {
+                    "position": 0,
+                    "name": "syncer",
+                    "count": 1,
+                    "playbook": {
+                        "requirements": "requirements.txt",
+                        "path": "playbook_engine.py"
+                    },
+                    "type": "public",
+                    "wait": 5,
+                    "connect": {
+                        "strategy": "none"
+                    },
+                    "param": "id"
+                },
+                {
+                    "position": 1,
+                    "name": "iroh_srv",
+                    "count": 1,
+                    "playbook": {
+                        "requirements": "requirements.txt",
+                        "path": "serve.py --syncer"
+                    },
+                    "type": "public",
+                    "wait": 5,
+                    "connect": {
+                        "strategy": "plain",
+                        "node": "syncer"
+                    }
+                },
+                {
+                    "name": "iroh_get",
+                    "count": 1,
+                    "playbook": {
+                        "requirements": "requirements.txt",
+                        "path": "get.py --syncer"
+                    },
+                    "type": "public",
+                    "connect": {
+                        "strategy": "plain",
+                        "node": "syncer"
+                    },
+                    "process": "short"
+                }
+            ]
+        }
+    ]
+}
\ No newline at end of file
diff --git a/netsim/venv/.gitkeep b/netsim/venv/.gitkeep
new file mode 100644
index 0000000..e69de29