Add vendor assessment agent

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

pkg/agent/tools/search/web_search.go

@@ -0,0 +1,74 @@
+// 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 search
+
+import (
+	"context"
+	"net/http"
+	"time"
+
+	"go.probo.inc/probo/pkg/agent"
+)
+
+type (
+	searchParams struct {
+		Query      string `json:"query" jsonschema:"The search query to execute"`
+		MaxResults int    `json:"max_results" jsonschema:"Maximum number of results to return (default 5, max 10)"`
+	}
+
+	searchResult struct {
+		Title   string `json:"title"`
+		URL     string `json:"url"`
+		Snippet string `json:"snippet"`
+	}
+
+	searxngResponse struct {
+		Results []searxngResult `json:"results"`
+	}
+
+	searxngResult struct {
+		Title   string `json:"title"`
+		URL     string `json:"url"`
+		Content string `json:"content"`
+	}
+)
+
+// WebSearchTool creates a tool that searches the web using a SearXNG instance.
+// The endpoint should be the base URL of the SearXNG instance (e.g.
+// "http://localhost:8888").
+func WebSearchTool(endpoint string) agent.Tool {
+	client := &http.Client{Timeout: 15 * time.Second}
+
+	return agent.FunctionTool(
+		"web_search",
+		"Search the web for information about a topic. Returns a list of results with title, URL, and snippet. Use this to find news, reviews, breach reports, regulatory actions, and other external information about a vendor.",
+		func(ctx context.Context, p searchParams) (agent.ToolResult, error) {
+			maxResults := p.MaxResults
+			if maxResults <= 0 {
+				maxResults = 5
+			}
+			if maxResults > 10 {
+				maxResults = 10
+			}
+
+			results, err := searxngSearch(ctx, client, endpoint, p.Query, maxResults)
+			if err != nil {
+				return agent.ResultErrorf("search request failed: %s", err), nil
+			}
+
+			return agent.ResultJSON(results), nil
+		},
+	)
+}