feat(hunter): new Hunter.io email-OSINT integration

Hunter.io API v2, 5 commands: domain search, email finder, email verifier,
account. API-key auth, stdlib-only.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

integrations/hunter/manifest.yaml

@@ -0,0 +1,65 @@
+id: hunter
+name: Hunter.io
+version: 1.0.0
+description: "Hunter.io (API v2) — email OSINT: find the email addresses tied to a domain, find a specific person's email, verify an email's deliverability, and read account usage. API-key authentication; stdlib-only, no extra Python dependencies."
+changelog: "1.0.0 — Initial release: domain search, email finder, email verifier, account."
+category: enrichment
+
+# Per-instance configuration. The API key is sent as the 'api_key' query parameter.
+config_schema:
+  properties:
+    api_key:
+      type: string
+      description: "Hunter.io API key"
+      x-soar-sensitive: true
+  required:
+    - api_key
+
+commands:
+  - id: domain_search
+    name: hunter-domain-search
+    description: "Find email addresses associated with a domain."
+    risk: read
+    inputs_schema:
+      properties:
+        domain: { type: string, description: "Domain name (e.g. example.com)" }
+        limit: { type: number, description: "Max results (default 10)" }
+      required: [domain]
+    outputs_schema: { properties: {} }
+  - id: email_finder
+    name: hunter-email-finder
+    description: "Find the most likely email address for a person at a domain."
+    risk: read
+    inputs_schema:
+      properties:
+        domain: { type: string, description: "Domain name" }
+        first_name: { type: string, description: "First name" }
+        last_name: { type: string, description: "Last name" }
+      required: [domain, first_name, last_name]
+    outputs_schema: { properties: {} }
+  - id: email_verifier
+    name: hunter-email-verifier
+    description: "Verify an email address's deliverability."
+    risk: read
+    inputs_schema:
+      properties:
+        email: { type: string, description: "Email address to verify" }
+      required: [email]
+    outputs_schema: { properties: {} }
+  - id: account
+    name: hunter-account
+    description: "Get account information and remaining request quota."
+    risk: read
+    inputs_schema:
+      properties: {}
+      required: []
+    outputs_schema: { properties: {} }
+
+  - id: test_connection
+    name: hunter-test-connection
+    description: "Verify the API key (used by the Test button)."
+    risk: read
+    inputs_schema:
+      properties: {}
+      required: []
+    outputs_schema: { properties: {} }

integrations/hunter/scripts/account.py

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+import json, os, sys, urllib.parse, urllib.request, urllib.error
+
+BASE = "https://api.hunter.io/v2"
+
+
+def _cfg():
+    return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
+
+
+def _inputs():
+    return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
+
+
+def request(path, cfg, params=None):
+    p = {k: v for k, v in (params or {}).items() if v not in (None, "")}
+    p["api_key"] = str(cfg.get("api_key", ""))
+    url = BASE + path + "?" + urllib.parse.urlencode(p)
+    req = urllib.request.Request(url, headers={"Accept": "application/json"}, method="GET")
+    with urllib.request.urlopen(req, timeout=60) 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):
+    return request("/account", cfg)
+
+
+_run(main)

integrations/hunter/scripts/domain_search.py

@@ -0,0 +1,44 @@
+import json, os, sys, urllib.parse, urllib.request, urllib.error
+
+BASE = "https://api.hunter.io/v2"
+
+
+def _cfg():
+    return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
+
+
+def _inputs():
+    return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
+
+
+def request(path, cfg, params=None):
+    p = {k: v for k, v in (params or {}).items() if v not in (None, "")}
+    p["api_key"] = str(cfg.get("api_key", ""))
+    url = BASE + path + "?" + urllib.parse.urlencode(p)
+    req = urllib.request.Request(url, headers={"Accept": "application/json"}, method="GET")
+    with urllib.request.urlopen(req, timeout=60) 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):
+    domain = inputs.get("domain")
+    if not domain:
+        raise Exception("domain is required")
+    limit = inputs.get("limit")
+    limit = int(limit) if limit not in (None, "") else 10
+    return request("/domain-search", cfg, params={"domain": domain, "limit": int(limit or 10)})
+
+
+_run(main)

integrations/hunter/scripts/email_finder.py

@@ -0,0 +1,48 @@
+import json, os, sys, urllib.parse, urllib.request, urllib.error
+
+BASE = "https://api.hunter.io/v2"
+
+
+def _cfg():
+    return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
+
+
+def _inputs():
+    return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
+
+
+def request(path, cfg, params=None):
+    p = {k: v for k, v in (params or {}).items() if v not in (None, "")}
+    p["api_key"] = str(cfg.get("api_key", ""))
+    url = BASE + path + "?" + urllib.parse.urlencode(p)
+    req = urllib.request.Request(url, headers={"Accept": "application/json"}, method="GET")
+    with urllib.request.urlopen(req, timeout=60) 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):
+    domain = inputs.get("domain")
+    if not domain:
+        raise Exception("domain is required")
+    first_name = inputs.get("first_name")
+    if not first_name:
+        raise Exception("first_name is required")
+    last_name = inputs.get("last_name")
+    if not last_name:
+        raise Exception("last_name is required")
+    return request("/email-finder", cfg, params={"domain": domain, "first_name": first_name, "last_name": last_name})
+
+
+_run(main)

integrations/hunter/scripts/email_verifier.py

@@ -0,0 +1,42 @@
+import json, os, sys, urllib.parse, urllib.request, urllib.error
+
+BASE = "https://api.hunter.io/v2"
+
+
+def _cfg():
+    return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
+
+
+def _inputs():
+    return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
+
+
+def request(path, cfg, params=None):
+    p = {k: v for k, v in (params or {}).items() if v not in (None, "")}
+    p["api_key"] = str(cfg.get("api_key", ""))
+    url = BASE + path + "?" + urllib.parse.urlencode(p)
+    req = urllib.request.Request(url, headers={"Accept": "application/json"}, method="GET")
+    with urllib.request.urlopen(req, timeout=60) 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):
+    email = inputs.get("email")
+    if not email:
+        raise Exception("email is required")
+    return request("/email-verifier", cfg, params={"email": email})
+
+
+_run(main)

integrations/hunter/scripts/test_connection.py

@@ -0,0 +1,40 @@
+import json, os, sys, urllib.parse, urllib.request, urllib.error
+
+BASE = "https://api.hunter.io/v2"
+
+
+def _cfg():
+    return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
+
+
+def _inputs():
+    return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
+
+
+def request(path, cfg, params=None):
+    p = {k: v for k, v in (params or {}).items() if v not in (None, "")}
+    p["api_key"] = str(cfg.get("api_key", ""))
+    url = BASE + path + "?" + urllib.parse.urlencode(p)
+    req = urllib.request.Request(url, headers={"Accept": "application/json"}, method="GET")
+    with urllib.request.urlopen(req, timeout=60) 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("/account", cfg)
+    return {"ok": True}
+
+
+_run(main)