diff --git a/Makefile b/Makefile
index d1255f8..1c29a28 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-.PHONY: help init setup build run test test-race lint lint-fix security clean
+.PHONY: help init setup build run test test-race lint lint-fix security docs clean
 
 include tools.versions
 
@@ -30,6 +30,7 @@ tools: ## Install tool binaries to GOPATH/bin (versions from tools.versions)
 	go install github.com/golangci/golangci-lint/cmd/golangci-lint@$(GOLANGCI_LINT_VERSION)
 	go install github.com/securego/gosec/v2/cmd/gosec@$(GOSEC_VERSION)
 	go install golang.org/x/vuln/cmd/govulncheck@$(GOVULNCHECK_VERSION)
+	go install golang.org/x/pkgsite/cmd/pkgsite@$(PKGSITE_VERSION)
 
 # ── Build ──────────────────────────────────────────────────────────────────────
 build: ## Compile the binary to ./bin/
@@ -64,6 +65,10 @@ security: ## Run gosec + govulncheck
 	@echo "--- govulncheck ---"
 	go run golang.org/x/vuln/cmd/govulncheck@$(GOVULNCHECK_VERSION) ./...
 
+# ── Docs ───────────────────────────────────────────────────────────────────────
+docs: ## Serve package documentation locally via pkgsite (http://localhost:8080)
+	go run golang.org/x/pkgsite/cmd/pkgsite@$(PKGSITE_VERSION) -open .
+
 # ── Release ────────────────────────────────────────────────────────────────────
 release: ## List releases, or tag+push a new one (usage: make release VERSION=v0.1.0)
 ifdef VERSION
diff --git a/tools.versions b/tools.versions
index 1cedb89..a40342f 100644
--- a/tools.versions
+++ b/tools.versions
@@ -2,3 +2,4 @@ DELVE_VERSION=v1.26.1
 GOLANGCI_LINT_VERSION=v1.64.8
 GOSEC_VERSION=v2.24.7
 GOVULNCHECK_VERSION=v1.1.4
+PKGSITE_VERSION=latest