Add vendor assessment agent

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

pkg/agent/tools/browser/extract_links.go

@@ -0,0 +1,81 @@
+// 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 (
+	"context"
+	"net/url"
+
+	"github.com/chromedp/chromedp"
+	"go.probo.inc/probo/pkg/agent"
+)
+
+type (
+	extractLinksParams struct {
+		URL string `json:"url" jsonschema:"The URL to extract links from"`
+	}
+
+	link struct {
+		Href string `json:"href"`
+		Text string `json:"text"`
+	}
+)
+
+func ExtractLinksTool(b *Browser) agent.Tool {
+	return agent.FunctionTool(
+		"extract_links",
+		"Navigate to a URL and extract all links (<a> elements) with their href and text.",
+		func(ctx context.Context, p extractLinksParams) (agent.ToolResult, error) {
+			if r := b.checkAlive(); r != nil {
+				return *r, nil
+			}
+
+			u, err := url.Parse(p.URL)
+			if err != nil || (u.Scheme != "http" && u.Scheme != "https") {
+				return agent.ResultError("invalid URL scheme: only http and https are allowed"), nil
+			}
+
+			if r := b.checkURL(p.URL); r != nil {
+				return *r, nil
+			}
+
+			ctx, timeoutCancel := withToolTimeout(ctx)
+			defer timeoutCancel()
+
+			tabCtx, cancel := b.NewTab(ctx)
+			defer cancel()
+
+			var links []link
+
+			err = chromedp.Run(
+				tabCtx,
+				chromedp.Navigate(p.URL),
+				waitForPage(),
+				chromedp.Evaluate(
+					`Array.from(document.querySelectorAll("a[href]")).map(a => ({
+						href: a.href,
+						text: a.innerText.trim().substring(0, 200)
+					}))`,
+					&links,
+				),
+			)
+			if err != nil {
+				return agent.ResultError(b.classifyError(ctx, p.URL, err)), nil
+			}
+
+			return agent.ResultJSON(links), nil
+		},
+	)
+}