diff --git a/server/handlers/wireguard/indexes/indexes.go b/server/handlers/wireguard/indexes/indexes.go
index fce2081..3c58f77 100644
--- a/server/handlers/wireguard/indexes/indexes.go
+++ b/server/handlers/wireguard/indexes/indexes.go
@@ -1 +1,8 @@
 package indexes
+
+import "config-lsp/handlers/wireguard/ast"
+
+type WGIndexes struct {
+	// map of: section name -> WGSection
+	SectionsByName map[string][]*ast.WGSection
+}
diff --git a/server/handlers/wireguard/indexes/indexes_handlers.go b/server/handlers/wireguard/indexes/indexes_handlers.go
new file mode 100644
index 0000000..c332e70
--- /dev/null
+++ b/server/handlers/wireguard/indexes/indexes_handlers.go
@@ -0,0 +1,22 @@
+package indexes
+
+import (
+	"config-lsp/common"
+	"config-lsp/handlers/wireguard/ast"
+)
+
+func CreateIndexes(config *ast.WGConfig) (*WGIndexes, []common.LSPError) {
+	errs := make([]common.LSPError, 0)
+	indexes := &WGIndexes{
+		SectionsByName: make(map[string][]*ast.WGSection),
+	}
+
+	for _, section := range config.Sections {
+		indexes.SectionsByName[section.Header.Name] = append(
+			indexes.SectionsByName[section.Header.Name],
+			section,
+		)
+	}
+
+	return indexes, errs
+}