diff --git a/integrations/vectra/manifest.yaml b/integrations/vectra/manifest.yaml
new file mode 100644
index 0000000..8cfc12f
--- /dev/null
+++ b/integrations/vectra/manifest.yaml
@@ -0,0 +1,100 @@
+id: vectra
+name: Vectra AI
+version: 1.0.0
+description: "Vectra AI (Detect API v2.3) — network threat detection: list and read detections, mark a detection fixed, add a note, and list/read hosts and accounts. Token authentication; stdlib-only, no extra Python dependencies."
+changelog: "1.0.0 — Initial release: list/get detections, mark detection fixed, add note, list/get hosts, list accounts."
+category: ndr
+
+# Per-instance configuration. Auth header 'Authorization: Token <api_token>'.
+config_schema:
+  properties:
+    base_url:
+      type: string
+      description: "Vectra brain URL (e.g. https://vectra.example.com)"
+    api_token:
+      type: string
+      description: "Vectra API token"
+      x-soar-sensitive: true
+    insecure:
+      type: boolean
+      description: "Trust any TLS certificate (not secure)"
+      default: false
+  required:
+    - base_url
+    - api_token
+
+commands:
+  - id: list_detections
+    name: vectra-list-detections
+    description: "List detections (optionally filtered)."
+    risk: read
+    inputs_schema:
+      properties:
+        state: { type: string, description: "Filter by state (active, inactive, fixed)" }
+        min_threat: { type: number, description: "Minimum threat score (optional)" }
+        page_size: { type: number, description: "Max detections (default 50)" }
+      required: []
+    outputs_schema: { properties: {} }
+  - id: get_detection
+    name: vectra-get-detection
+    description: "Get a single detection by ID."
+    risk: read
+    inputs_schema:
+      properties:
+        detection_id: { type: string, description: "Detection ID" }
+      required: [detection_id]
+    outputs_schema: { properties: {} }
+  - id: mark_detection_fixed
+    name: vectra-mark-detection-fixed
+    description: "Mark one or more detections as fixed."
+    inputs_schema:
+      properties:
+        detection_ids: { type: string, description: "Comma-separated detection IDs" }
+      required: [detection_ids]
+    outputs_schema: { properties: {} }
+  - id: add_detection_note
+    name: vectra-add-detection-note
+    description: "Add a note to a detection."
+    inputs_schema:
+      properties:
+        detection_id: { type: string, description: "Detection ID" }
+        note: { type: string, description: "Note text" }
+      required: [detection_id, note]
+    outputs_schema: { properties: {} }
+  - id: list_hosts
+    name: vectra-list-hosts
+    description: "List hosts (optionally filtered)."
+    risk: read
+    inputs_schema:
+      properties:
+        min_threat: { type: number, description: "Minimum threat score (optional)" }
+        page_size: { type: number, description: "Max hosts (default 50)" }
+      required: []
+    outputs_schema: { properties: {} }
+  - id: get_host
+    name: vectra-get-host
+    description: "Get a single host by ID."
+    risk: read
+    inputs_schema:
+      properties:
+        host_id: { type: string, description: "Host ID" }
+      required: [host_id]
+    outputs_schema: { properties: {} }
+  - id: list_accounts
+    name: vectra-list-accounts
+    description: "List accounts (optionally filtered)."
+    risk: read
+    inputs_schema:
+      properties:
+        page_size: { type: number, description: "Max accounts (default 50)" }
+      required: []
+    outputs_schema: { properties: {} }
+
+  - id: test_connection
+    name: vectra-test-connection
+    description: "Verify connectivity and the API token (used by the Test button)."
+    risk: read
+    inputs_schema:
+      properties: {}
+      required: []
+    outputs_schema: { properties: {} }
diff --git a/integrations/vectra/scripts/add_detection_note.py b/integrations/vectra/scripts/add_detection_note.py
new file mode 100644
index 0000000..bae2b37
--- /dev/null
+++ b/integrations/vectra/scripts/add_detection_note.py
@@ -0,0 +1,60 @@
+import json, os, sys, ssl, urllib.parse, urllib.request, urllib.error
+
+
+def _cfg():
+    return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
+
+
+def _inputs():
+    return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
+
+
+def _ctx(cfg):
+    if cfg.get("insecure"):
+        c = ssl.create_default_context()
+        c.check_hostname = False
+        c.verify_mode = ssl.CERT_NONE
+        return c
+    return None
+
+
+def request(method, path, cfg, body=None, params=None):
+    url = str(cfg.get("base_url", "")).rstrip("/") + "/api/v2.3" + path
+    if params:
+        clean = {k: v for k, v in params.items() if v not in (None, "")}
+        if clean:
+            url += "?" + urllib.parse.urlencode(clean)
+    data = json.dumps(body).encode("utf-8") if body is not None else None
+    headers = {"Authorization": "Token " + str(cfg.get("api_token", "")), "Accept": "application/json"}
+    if data is not None:
+        headers["Content-Type"] = "application/json"
+    req = urllib.request.Request(url, data=data, headers=headers, method=method)
+    with urllib.request.urlopen(req, timeout=60, context=_ctx(cfg)) as r:
+        raw = r.read()
+        return json.loads(raw) if raw else {}
+
+
+def _run(fn):
+    try:
+        print(json.dumps(fn(_cfg(), _inputs())))
+    except urllib.error.HTTPError as e:
+        print(json.dumps({"error": "HTTP " + str(e.code), "detail": e.read().decode("utf-8", "replace")}))
+        sys.exit(1)
+    except Exception as e:
+        print(json.dumps({"error": str(e)}))
+        sys.exit(1)
+
+
+def main(cfg, inputs):
+    detection_id = inputs.get("detection_id")
+    note = inputs.get("note")
+    if not detection_id:
+        raise Exception("detection_id is required")
+    if not note:
+        raise Exception("note is required")
+
+    q = lambda v: urllib.parse.quote(str(v), safe="")
+    return request("POST", "/detections/" + q(detection_id) + "/notes", cfg, body={"note": note})
+
+
+_run(main)
diff --git a/integrations/vectra/scripts/get_detection.py b/integrations/vectra/scripts/get_detection.py
new file mode 100644
index 0000000..dded624
--- /dev/null
+++ b/integrations/vectra/scripts/get_detection.py
@@ -0,0 +1,57 @@
+import json, os, sys, ssl, urllib.parse, urllib.request, urllib.error
+
+
+def _cfg():
+    return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
+
+
+def _inputs():
+    return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
+
+
+def _ctx(cfg):
+    if cfg.get("insecure"):
+        c = ssl.create_default_context()
+        c.check_hostname = False
+        c.verify_mode = ssl.CERT_NONE
+        return c
+    return None
+
+
+def request(method, path, cfg, body=None, params=None):
+    url = str(cfg.get("base_url", "")).rstrip("/") + "/api/v2.3" + path
+    if params:
+        clean = {k: v for k, v in params.items() if v not in (None, "")}
+        if clean:
+            url += "?" + urllib.parse.urlencode(clean)
+    data = json.dumps(body).encode("utf-8") if body is not None else None
+    headers = {"Authorization": "Token " + str(cfg.get("api_token", "")), "Accept": "application/json"}
+    if data is not None:
+        headers["Content-Type"] = "application/json"
+    req = urllib.request.Request(url, data=data, headers=headers, method=method)
+    with urllib.request.urlopen(req, timeout=60, context=_ctx(cfg)) as r:
+        raw = r.read()
+        return json.loads(raw) if raw else {}
+
+
+def _run(fn):
+    try:
+        print(json.dumps(fn(_cfg(), _inputs())))
+    except urllib.error.HTTPError as e:
+        print(json.dumps({"error": "HTTP " + str(e.code), "detail": e.read().decode("utf-8", "replace")}))
+        sys.exit(1)
+    except Exception as e:
+        print(json.dumps({"error": str(e)}))
+        sys.exit(1)
+
+
+def main(cfg, inputs):
+    detection_id = inputs.get("detection_id")
+    if not detection_id:
+        raise Exception("detection_id is required")
+
+    q = lambda v: urllib.parse.quote(str(v), safe="")
+    return request("GET", "/detections/" + q(detection_id), cfg)
+
+
+_run(main)
diff --git a/integrations/vectra/scripts/get_host.py b/integrations/vectra/scripts/get_host.py
new file mode 100644
index 0000000..b99c6b8
--- /dev/null
+++ b/integrations/vectra/scripts/get_host.py
@@ -0,0 +1,57 @@
+import json, os, sys, ssl, urllib.parse, urllib.request, urllib.error
+
+
+def _cfg():
+    return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
+
+
+def _inputs():
+    return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
+
+
+def _ctx(cfg):
+    if cfg.get("insecure"):
+        c = ssl.create_default_context()
+        c.check_hostname = False
+        c.verify_mode = ssl.CERT_NONE
+        return c
+    return None
+
+
+def request(method, path, cfg, body=None, params=None):
+    url = str(cfg.get("base_url", "")).rstrip("/") + "/api/v2.3" + path
+    if params:
+        clean = {k: v for k, v in params.items() if v not in (None, "")}
+        if clean:
+            url += "?" + urllib.parse.urlencode(clean)
+    data = json.dumps(body).encode("utf-8") if body is not None else None
+    headers = {"Authorization": "Token " + str(cfg.get("api_token", "")), "Accept": "application/json"}
+    if data is not None:
+        headers["Content-Type"] = "application/json"
+    req = urllib.request.Request(url, data=data, headers=headers, method=method)
+    with urllib.request.urlopen(req, timeout=60, context=_ctx(cfg)) as r:
+        raw = r.read()
+        return json.loads(raw) if raw else {}
+
+
+def _run(fn):
+    try:
+        print(json.dumps(fn(_cfg(), _inputs())))
+    except urllib.error.HTTPError as e:
+        print(json.dumps({"error": "HTTP " + str(e.code), "detail": e.read().decode("utf-8", "replace")}))
+        sys.exit(1)
+    except Exception as e:
+        print(json.dumps({"error": str(e)}))
+        sys.exit(1)
+
+
+def main(cfg, inputs):
+    host_id = inputs.get("host_id")
+    if not host_id:
+        raise Exception("host_id is required")
+
+    q = lambda v: urllib.parse.quote(str(v), safe="")
+    return request("GET", "/hosts/" + q(host_id), cfg)
+
+
+_run(main)
diff --git a/integrations/vectra/scripts/list_accounts.py b/integrations/vectra/scripts/list_accounts.py
new file mode 100644
index 0000000..907c18e
--- /dev/null
+++ b/integrations/vectra/scripts/list_accounts.py
@@ -0,0 +1,53 @@
+import json, os, sys, ssl, urllib.parse, urllib.request, urllib.error
+
+
+def _cfg():
+    return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
+
+
+def _inputs():
+    return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
+
+
+def _ctx(cfg):
+    if cfg.get("insecure"):
+        c = ssl.create_default_context()
+        c.check_hostname = False
+        c.verify_mode = ssl.CERT_NONE
+        return c
+    return None
+
+
+def request(method, path, cfg, body=None, params=None):
+    url = str(cfg.get("base_url", "")).rstrip("/") + "/api/v2.3" + path
+    if params:
+        clean = {k: v for k, v in params.items() if v not in (None, "")}
+        if clean:
+            url += "?" + urllib.parse.urlencode(clean)
+    data = json.dumps(body).encode("utf-8") if body is not None else None
+    headers = {"Authorization": "Token " + str(cfg.get("api_token", "")), "Accept": "application/json"}
+    if data is not None:
+        headers["Content-Type"] = "application/json"
+    req = urllib.request.Request(url, data=data, headers=headers, method=method)
+    with urllib.request.urlopen(req, timeout=60, context=_ctx(cfg)) as r:
+        raw = r.read()
+        return json.loads(raw) if raw else {}
+
+
+def _run(fn):
+    try:
+        print(json.dumps(fn(_cfg(), _inputs())))
+    except urllib.error.HTTPError as e:
+        print(json.dumps({"error": "HTTP " + str(e.code), "detail": e.read().decode("utf-8", "replace")}))
+        sys.exit(1)
+    except Exception as e:
+        print(json.dumps({"error": str(e)}))
+        sys.exit(1)
+
+
+def main(cfg, inputs):
+    page_size = inputs.get("page_size")
+    return request("GET", "/accounts", cfg, params={"page_size": int(page_size or 50)})
+
+
+_run(main)
diff --git a/integrations/vectra/scripts/list_detections.py b/integrations/vectra/scripts/list_detections.py
new file mode 100644
index 0000000..9ce16ff
--- /dev/null
+++ b/integrations/vectra/scripts/list_detections.py
@@ -0,0 +1,62 @@
+import json, os, sys, ssl, urllib.parse, urllib.request, urllib.error
+
+
+def _cfg():
+    return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
+
+
+def _inputs():
+    return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
+
+
+def _ctx(cfg):
+    if cfg.get("insecure"):
+        c = ssl.create_default_context()
+        c.check_hostname = False
+        c.verify_mode = ssl.CERT_NONE
+        return c
+    return None
+
+
+def request(method, path, cfg, body=None, params=None):
+    url = str(cfg.get("base_url", "")).rstrip("/") + "/api/v2.3" + path
+    if params:
+        clean = {k: v for k, v in params.items() if v not in (None, "")}
+        if clean:
+            url += "?" + urllib.parse.urlencode(clean)
+    data = json.dumps(body).encode("utf-8") if body is not None else None
+    headers = {"Authorization": "Token " + str(cfg.get("api_token", "")), "Accept": "application/json"}
+    if data is not None:
+        headers["Content-Type"] = "application/json"
+    req = urllib.request.Request(url, data=data, headers=headers, method=method)
+    with urllib.request.urlopen(req, timeout=60, context=_ctx(cfg)) as r:
+        raw = r.read()
+        return json.loads(raw) if raw else {}
+
+
+def _run(fn):
+    try:
+        print(json.dumps(fn(_cfg(), _inputs())))
+    except urllib.error.HTTPError as e:
+        print(json.dumps({"error": "HTTP " + str(e.code), "detail": e.read().decode("utf-8", "replace")}))
+        sys.exit(1)
+    except Exception as e:
+        print(json.dumps({"error": str(e)}))
+        sys.exit(1)
+
+
+def main(cfg, inputs):
+    state = inputs.get("state")
+    min_threat = inputs.get("min_threat")
+    page_size = inputs.get("page_size")
+
+    params = {"page_size": int(page_size or 50)}
+    if state:
+        params["state"] = state
+    if min_threat not in (None, ""):
+        params["threat_gte"] = int(min_threat)
+
+    return request("GET", "/detections", cfg, params=params)
+
+
+_run(main)
diff --git a/integrations/vectra/scripts/list_hosts.py b/integrations/vectra/scripts/list_hosts.py
new file mode 100644
index 0000000..83dfe91
--- /dev/null
+++ b/integrations/vectra/scripts/list_hosts.py
@@ -0,0 +1,59 @@
+import json, os, sys, ssl, urllib.parse, urllib.request, urllib.error
+
+
+def _cfg():
+    return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
+
+
+def _inputs():
+    return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
+
+
+def _ctx(cfg):
+    if cfg.get("insecure"):
+        c = ssl.create_default_context()
+        c.check_hostname = False
+        c.verify_mode = ssl.CERT_NONE
+        return c
+    return None
+
+
+def request(method, path, cfg, body=None, params=None):
+    url = str(cfg.get("base_url", "")).rstrip("/") + "/api/v2.3" + path
+    if params:
+        clean = {k: v for k, v in params.items() if v not in (None, "")}
+        if clean:
+            url += "?" + urllib.parse.urlencode(clean)
+    data = json.dumps(body).encode("utf-8") if body is not None else None
+    headers = {"Authorization": "Token " + str(cfg.get("api_token", "")), "Accept": "application/json"}
+    if data is not None:
+        headers["Content-Type"] = "application/json"
+    req = urllib.request.Request(url, data=data, headers=headers, method=method)
+    with urllib.request.urlopen(req, timeout=60, context=_ctx(cfg)) as r:
+        raw = r.read()
+        return json.loads(raw) if raw else {}
+
+
+def _run(fn):
+    try:
+        print(json.dumps(fn(_cfg(), _inputs())))
+    except urllib.error.HTTPError as e:
+        print(json.dumps({"error": "HTTP " + str(e.code), "detail": e.read().decode("utf-8", "replace")}))
+        sys.exit(1)
+    except Exception as e:
+        print(json.dumps({"error": str(e)}))
+        sys.exit(1)
+
+
+def main(cfg, inputs):
+    min_threat = inputs.get("min_threat")
+    page_size = inputs.get("page_size")
+
+    params = {"page_size": int(page_size or 50)}
+    if min_threat not in (None, ""):
+        params["threat_gte"] = int(min_threat)
+
+    return request("GET", "/hosts", cfg, params=params)
+
+
+_run(main)
diff --git a/integrations/vectra/scripts/mark_detection_fixed.py b/integrations/vectra/scripts/mark_detection_fixed.py
new file mode 100644
index 0000000..d50aa89
--- /dev/null
+++ b/integrations/vectra/scripts/mark_detection_fixed.py
@@ -0,0 +1,64 @@
+import json, os, sys, ssl, urllib.parse, urllib.request, urllib.error
+
+
+def _cfg():
+    return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
+
+
+def _inputs():
+    return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
+
+
+def _ctx(cfg):
+    if cfg.get("insecure"):
+        c = ssl.create_default_context()
+        c.check_hostname = False
+        c.verify_mode = ssl.CERT_NONE
+        return c
+    return None
+
+
+def request(method, path, cfg, body=None, params=None):
+    url = str(cfg.get("base_url", "")).rstrip("/") + "/api/v2.3" + path
+    if params:
+        clean = {k: v for k, v in params.items() if v not in (None, "")}
+        if clean:
+            url += "?" + urllib.parse.urlencode(clean)
+    data = json.dumps(body).encode("utf-8") if body is not None else None
+    headers = {"Authorization": "Token " + str(cfg.get("api_token", "")), "Accept": "application/json"}
+    if data is not None:
+        headers["Content-Type"] = "application/json"
+    req = urllib.request.Request(url, data=data, headers=headers, method=method)
+    with urllib.request.urlopen(req, timeout=60, context=_ctx(cfg)) as r:
+        raw = r.read()
+        return json.loads(raw) if raw else {}
+
+
+def _run(fn):
+    try:
+        print(json.dumps(fn(_cfg(), _inputs())))
+    except urllib.error.HTTPError as e:
+        print(json.dumps({"error": "HTTP " + str(e.code), "detail": e.read().decode("utf-8", "replace")}))
+        sys.exit(1)
+    except Exception as e:
+        print(json.dumps({"error": str(e)}))
+        sys.exit(1)
+
+
+def main(cfg, inputs):
+    detection_ids = inputs.get("detection_ids")
+    if not detection_ids:
+        raise Exception("detection_ids is required")
+
+    detection_ids_list = [s.strip() for s in str(detection_ids).split(",") if s.strip()]
+    if not detection_ids_list:
+        raise Exception("detection_ids is required")
+
+    body = {
+        "detectionIdList": [int(x) for x in detection_ids_list],
+        "mark_as_fixed": "True",
+    }
+    return request("PATCH", "/detections", cfg, body=body)
+
+
+_run(main)
diff --git a/integrations/vectra/scripts/test_connection.py b/integrations/vectra/scripts/test_connection.py
new file mode 100644
index 0000000..3eeba78
--- /dev/null
+++ b/integrations/vectra/scripts/test_connection.py
@@ -0,0 +1,53 @@
+import json, os, sys, ssl, urllib.parse, urllib.request, urllib.error
+
+
+def _cfg():
+    return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
+
+
+def _inputs():
+    return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
+
+
+def _ctx(cfg):
+    if cfg.get("insecure"):
+        c = ssl.create_default_context()
+        c.check_hostname = False
+        c.verify_mode = ssl.CERT_NONE
+        return c
+    return None
+
+
+def request(method, path, cfg, body=None, params=None):
+    url = str(cfg.get("base_url", "")).rstrip("/") + "/api/v2.3" + path
+    if params:
+        clean = {k: v for k, v in params.items() if v not in (None, "")}
+        if clean:
+            url += "?" + urllib.parse.urlencode(clean)
+    data = json.dumps(body).encode("utf-8") if body is not None else None
+    headers = {"Authorization": "Token " + str(cfg.get("api_token", "")), "Accept": "application/json"}
+    if data is not None:
+        headers["Content-Type"] = "application/json"
+    req = urllib.request.Request(url, data=data, headers=headers, method=method)
+    with urllib.request.urlopen(req, timeout=60, context=_ctx(cfg)) as r:
+        raw = r.read()
+        return json.loads(raw) if raw else {}
+
+
+def _run(fn):
+    try:
+        print(json.dumps(fn(_cfg(), _inputs())))
+    except urllib.error.HTTPError as e:
+        print(json.dumps({"error": "HTTP " + str(e.code), "detail": e.read().decode("utf-8", "replace")}))
+        sys.exit(1)
+    except Exception as e:
+        print(json.dumps({"error": str(e)}))
+        sys.exit(1)
+
+
+def main(cfg, inputs):
+    request("GET", "/detections", cfg, params={"page_size": 1})
+    return {"ok": True}
+
+
+_run(main)