Add vendor assessment agent

Signed-off-by: Aurélien Sibiril <81782+aureliensibiril@users.noreply.github.com>

pkg/agent/tools/browser/url_check.go

@@ -0,0 +1,33 @@
+// Copyright (c) 2026 Probo Inc <hello@getprobo.com>.
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+package browser
+
+import (
+	"go.probo.inc/probo/pkg/agent/tools/internal/netcheck"
+)
+
+// validatePublicURL checks that a URL uses an http(s) scheme and that its
+// host does not resolve to a private, loopback, or link-local IP address.
+// This prevents SSRF attacks where the LLM could be tricked into requesting
+// internal network endpoints.
+func validatePublicURL(rawURL string) error {
+	return netcheck.ValidatePublicURL(rawURL)
+}
+
+// validatePublicDomain checks that a domain does not resolve to a private,
+// loopback, or link-local IP address.
+func validatePublicDomain(domain string) error {
+	return netcheck.ValidatePublicDomain(domain)
+}