diff --git a/internal/app/app.go b/internal/app/app.go
index acbf09e..99ec2ca 100644
--- a/internal/app/app.go
+++ b/internal/app/app.go
@@ -93,6 +93,11 @@ var commands = []command{
 		description: "Build wiki pages from the current topdata state.",
 		run:         runBuildWiki,
 	},
+	{
+		name:        "deploy-wiki",
+		description: "Deploy wiki pages to DokuWiki.",
+		run:         runDeployWiki,
+	},
 }
 
 func Run(args []string) (int, error) {
@@ -595,6 +600,123 @@ func parseBuildWikiArgs(commandName string, args []string) (topdata.BuildWikiOpt
 	return opts, nil
 }
 
+func runDeployWiki(ctx context) error {
+	p, err := loadProject(ctx.cwd)
+	if err != nil {
+		return err
+	}
+
+	opts, err := parseDeployWikiArgs("deploy-wiki", ctx.args[1:])
+	if err != nil {
+		return err
+	}
+
+	result, err := topdata.DeployWikiWithOptions(p, opts, func(message string) {
+		fmt.Fprintf(ctx.stdout, "[deploy-wiki] %s\n", message)
+	})
+	if err != nil {
+		return err
+	}
+
+	fmt.Fprintf(ctx.stdout, "project: %s\n", p.Config.Module.Name)
+	fmt.Fprintf(ctx.stdout, "local pages: %d\n", result.LocalPages)
+	fmt.Fprintf(ctx.stdout, "updated: %d\n", result.Updated)
+	fmt.Fprintf(ctx.stdout, "skipped: %d\n", result.Skipped)
+	fmt.Fprintf(ctx.stdout, "deleted: %d\n", result.Deleted)
+	fmt.Fprintf(ctx.stdout, "manifest: %s\n", result.Manifest)
+	return nil
+}
+
+func parseDeployWikiArgs(commandName string, args []string) (topdata.DeployWikiOptions, error) {
+	opts := topdata.DeployWikiOptions{}
+	for i := 0; i < len(args); i++ {
+		arg := args[i]
+		switch arg {
+		case "--source-dir":
+			i++
+			if i >= len(args) {
+				return opts, fmt.Errorf("--source-dir requires a value")
+			}
+			opts.SourceDir = args[i]
+		case "--endpoint":
+			i++
+			if i >= len(args) {
+				return opts, fmt.Errorf("--endpoint requires a value")
+			}
+			opts.Endpoint = args[i]
+		case "--username":
+			i++
+			if i >= len(args) {
+				return opts, fmt.Errorf("--username requires a value")
+			}
+			opts.Username = args[i]
+		case "--password":
+			i++
+			if i >= len(args) {
+				return opts, fmt.Errorf("--password requires a value")
+			}
+			opts.Password = args[i]
+		case "--version":
+			i++
+			if i >= len(args) {
+				return opts, fmt.Errorf("--version requires a value")
+			}
+			opts.Version = args[i]
+		case "--namespace":
+			i++
+			if i >= len(args) {
+				return opts, fmt.Errorf("--namespace requires a value")
+			}
+			opts.Namespaces = append(opts.Namespaces, args[i])
+		case "--manifest":
+			i++
+			if i >= len(args) {
+				return opts, fmt.Errorf("--manifest requires a value")
+			}
+			opts.ManifestPath = args[i]
+		case "--dry-run":
+			opts.DryRun = true
+		case "-h", "--help":
+			return opts, fmt.Errorf("usage: %s [--source-dir <path>] [--endpoint <url>] [--username <user>] [--password <pass>] [--version <ver>] [--namespace <ns> ...] [--manifest <path>] [--dry-run]", commandName)
+		default:
+			if strings.HasPrefix(arg, "--source-dir=") {
+				opts.SourceDir = strings.TrimPrefix(arg, "--source-dir=")
+			} else if strings.HasPrefix(arg, "--endpoint=") {
+				opts.Endpoint = strings.TrimPrefix(arg, "--endpoint=")
+			} else if strings.HasPrefix(arg, "--username=") {
+				opts.Username = strings.TrimPrefix(arg, "--username=")
+			} else if strings.HasPrefix(arg, "--password=") {
+				opts.Password = strings.TrimPrefix(arg, "--password=")
+			} else if strings.HasPrefix(arg, "--version=") {
+				opts.Version = strings.TrimPrefix(arg, "--version=")
+			} else if strings.HasPrefix(arg, "--namespace=") {
+				opts.Namespaces = append(opts.Namespaces, strings.TrimPrefix(arg, "--namespace="))
+			} else if strings.HasPrefix(arg, "--manifest=") {
+				opts.ManifestPath = strings.TrimPrefix(arg, "--manifest=")
+			} else if arg == "--dry-run" {
+				opts.DryRun = true
+			} else {
+				return opts, fmt.Errorf("unknown %s argument %q", commandName, arg)
+			}
+		}
+	}
+
+	if opts.Endpoint == "" {
+		opts.Endpoint = os.Getenv("DOKUWIKI_RPC_ENDPOINT")
+	}
+	if opts.Username == "" {
+		opts.Username = os.Getenv("DOKUWIKI_RPC_USERNAME")
+	}
+	if opts.Password == "" {
+		opts.Password = os.Getenv("DOKUWIKI_RPC_PASSWORD")
+	}
+	if opts.Version == "" {
+		opts.Version = os.Getenv("GITHUB_REF_NAME")
+	}
+
+	return opts, nil
+}
+
 func loadProject(cwd string) (*project.Project, error) {
 	root, err := project.FindRoot(cwd)
 	if err != nil {
diff --git a/internal/topdata/wiki_deploy.go b/internal/topdata/wiki_deploy.go
new file mode 100644
index 0000000..628b738
--- /dev/null
+++ b/internal/topdata/wiki_deploy.go
@@ -0,0 +1,464 @@
+package topdata
+
+import (
+	"crypto/sha1"
+	"encoding/base64"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io"
+	"net/http"
+	"os"
+	"path/filepath"
+	"slices"
+	"strings"
+	"time"
+
+	"gitea.westgate.pw/ShadowsOverWestgate/sow-tools/internal/project"
+)
+
+const (
+	defaultDeployManifestName = ".wiki_deploy_manifest.json"
+	defaultEditSummary        = "Auto-generated from native builder"
+	defaultNotesDelimiter     = "===== Notes ====="
+)
+
+var defaultManagedNamespaces = []string{"classes", "feat", "itemtypes", "races", "skills", "spells"}
+
+type DeployWikiOptions struct {
+	SourceDir      string
+	Endpoint       string
+	Username       string
+	Password       string
+	Version        string
+	Namespaces     []string
+	NotesDelimiter string
+	ManifestPath   string
+	DryRun         bool
+}
+
+type deployResult struct {
+	LocalPages int
+	Updated    int
+	Deleted    int
+	Skipped    int
+	Manifest   string
+}
+
+type deployPlan struct {
+	PageID     string
+	Content    string
+	OldContent string
+}
+
+type manifestEntry struct {
+	Hash string `json:"hash"`
+}
+
+func DeployWikiWithOptions(p *project.Project, opts DeployWikiOptions, progress func(string)) (deployResult, error) {
+	if progress == nil {
+		progress = func(string) {}
+	}
+
+	if opts.SourceDir == "" {
+		opts.SourceDir = wikiOutputPagesDir(p)
+	}
+	if _, err := os.Stat(opts.SourceDir); err != nil {
+		return deployResult{}, fmt.Errorf("wiki source directory not found: %w", err)
+	}
+
+	if opts.Endpoint == "" {
+		return deployResult{}, errors.New("DOKUWIKI_RPC_ENDPOINT is required")
+	}
+	if opts.Username == "" {
+		return deployResult{}, errors.New("DOKUWIKI_RPC_USERNAME is required")
+	}
+	if opts.Password == "" {
+		return deployResult{}, errors.New("DOKUWIKI_RPC_PASSWORD is required")
+	}
+
+	namespaces := opts.Namespaces
+	if len(namespaces) == 0 {
+		namespaces = defaultManagedNamespaces
+	}
+
+	notesDelimiter := opts.NotesDelimiter
+	if notesDelimiter == "" {
+		notesDelimiter = defaultNotesDelimiter
+	}
+
+	manifestPath := opts.ManifestPath
+	if manifestPath == "" {
+		manifestPath = filepath.Join(filepath.Dir(opts.SourceDir), defaultDeployManifestName)
+	}
+
+	localPages, err := collectLocalPages(opts.SourceDir, namespaces)
+	if err != nil {
+		return deployResult{}, err
+	}
+
+	manifest := loadDeployManifest(manifestPath)
+	client := newDokuWikiClient(opts.Endpoint, opts.Username, opts.Password)
+
+	deployments, stalePages, err := planDeploy(localPages, client, namespaces, notesDelimiter, manifest)
+	if err != nil {
+		return deployResult{}, err
+	}
+
+	progress(fmt.Sprintf("Deploying %d pages...", len(deployments)))
+
+	editSummary := defaultEditSummary
+	if opts.Version != "" {
+		editSummary = fmt.Sprintf("%s (%s)", defaultEditSummary, opts.Version)
+	}
+
+	if !opts.DryRun {
+		for _, plan := range deployments {
+			if err := client.putPage(plan.PageID, plan.Content, editSummary); err != nil {
+				return deployResult{}, err
+			}
+		}
+		for _, pageID := range stalePages {
+			if err := client.deletePage(pageID, editSummary); err != nil {
+				return deployResult{}, err
+			}
+		}
+	}
+
+	currentHashes := computePageHashes(localPages, notesDelimiter)
+	saveDeployManifest(manifestPath, currentHashes)
+
+	updated := len(deployments)
+	deleted := len(stalePages)
+	skipped := len(localPages) - updated
+
+	result := deployResult{
+		LocalPages: len(localPages),
+		Updated:    updated,
+		Deleted:    deleted,
+		Skipped:    skipped,
+		Manifest:   manifestPath,
+	}
+
+	progress(fmt.Sprintf("Updated: %d, Skipped: %d, Deleted: %d", updated, skipped, deleted))
+
+	return result, nil
+}
+
+func collectLocalPages(sourceDir string, namespaces []string) (map[string]string, error) {
+	pages := map[string]string{}
+	for _, ns := range namespaces {
+		nsDir := filepath.Join(sourceDir, ns)
+		if !isDir(nsDir) {
+			continue
+		}
+		if err := filepath.WalkDir(nsDir, func(path string, d os.DirEntry, err error) error {
+			if err != nil {
+				return err
+			}
+			if d.IsDir() {
+				return nil
+			}
+			if filepath.Ext(path) != ".txt" {
+				return nil
+			}
+			rel, err := filepath.Rel(sourceDir, path)
+			if err != nil {
+				return err
+			}
+			pageID := strings.TrimSuffix(rel, ".txt")
+			pageID = strings.ReplaceAll(pageID, string(filepath.Separator), ":")
+			pageID = strings.ToLower(pageID)
+			content, err := os.ReadFile(path)
+			if err != nil {
+				return err
+			}
+			pages[pageID] = string(content)
+			return nil
+		}); err != nil {
+			return nil, err
+		}
+	}
+	return pages, nil
+}
+
+func computePageHash(content, notesDelimiter string) string {
+	generatedBody, _ := splitNotesSection(content, notesDelimiter)
+	h := sha1.New()
+	h.Write([]byte(generatedBody))
+	return fmt.Sprintf("%x", h.Sum(nil))
+}
+
+func computePageHashes(pages map[string]string, notesDelimiter string) map[string]string {
+	hashes := map[string]string{}
+	for pageID, content := range pages {
+		hashes[pageID] = computePageHash(content, notesDelimiter)
+	}
+	return hashes
+}
+
+func splitNotesSection(content, notesDelimiter string) (string, string) {
+	lines := strings.Split(content, notesDelimiter)
+	if len(lines) <= 1 {
+		return strings.TrimSpace(content), ""
+	}
+	body := strings.TrimSpace(strings.Join(lines[:len(lines)-1], notesDelimiter))
+	notes := strings.TrimSpace(strings.Join(lines[1:], notesDelimiter))
+	return body, notes
+}
+
+func loadDeployManifest(path string) map[string]string {
+	if _, err := os.Stat(path); err != nil {
+		return map[string]string{}
+	}
+	data, err := os.ReadFile(path)
+	if err != nil {
+		return map[string]string{}
+	}
+	var doc struct {
+		Pages map[string]string `json:"pages"`
+	}
+	if err := json.Unmarshal(data, &doc); err != nil {
+		return map[string]string{}
+	}
+	result := map[string]string{}
+	for k, v := range doc.Pages {
+		result[k] = v
+	}
+	return result
+}
+
+func saveDeployManifest(path string, hashes map[string]string) {
+	os.MkdirAll(filepath.Dir(path), 0755)
+	doc := struct {
+		Pages map[string]string `json:"pages"`
+	}{
+		Pages: hashes,
+	}
+	data, _ := json.MarshalIndent(doc, "", " ")
+	os.WriteFile(path, append(data, '\n'), 0644)
+}
+
+func planDeploy(
+	localPages map[string]string,
+	client *dokuWikiClient,
+	namespaces []string,
+	notesDelimiter string,
+	previousHashes map[string]string,
+) ([]deployPlan, []string, error) {
+	var deployments []deployPlan
+	remotePages := map[string]string{}
+
+	for pageID, content := range localPages {
+		hash := computePageHash(content, notesDelimiter)
+		if previousHashes[pageID] == hash {
+			continue
+		}
+
+		oldContent, err := client.getPage(pageID)
+		if err != nil {
+			if !errors.Is(err, errPageNotFound) {
+				return nil, nil, err
+			}
+			oldContent = ""
+		}
+		remotePages[pageID] = oldContent
+
+		merged := mergePageContent(content, oldContent, notesDelimiter)
+		if merged != oldContent {
+			deployments = append(deployments, deployPlan{
+				PageID:     pageID,
+				Content:    merged,
+				OldContent: oldContent,
+			})
+		}
+	}
+
+	remoteIDs := map[string]bool{}
+	for pageID := range remotePages {
+		remoteIDs[pageID] = true
+	}
+
+	for _, ns := range namespaces {
+		pages, err := client.listNamespacePages(ns)
+		if err != nil {
+			continue
+		}
+		for _, pageID := range pages {
+			remoteIDs[pageID] = true
+		}
+	}
+
+	var stale []string
+	for pageID := range remoteIDs {
+		if _, exists := localPages[pageID]; !exists {
+			stale = append(stale, pageID)
+		}
+	}
+	slices.Sort(stale)
+
+	return deployments, stale, nil
+}
+
+func mergePageContent(generated, existing, notesDelimiter string) string {
+	_, existingNotes := splitNotesSection(existing, notesDelimiter)
+	generatedBody, _ := splitNotesSection(generated, notesDelimiter)
+
+	if existingNotes == "" {
+		return generated
+	}
+
+	return strings.TrimSpace(generatedBody) + "\n\n" + notesDelimiter + "\n\n" + existingNotes + "\n"
+}
+
+type dokuWikiClient struct {
+	endpoint      string
+	username      string
+	password      string
+	timeout       time.Duration
+	retryAttempts int
+	retryBackoff  time.Duration
+	requestDelay  time.Duration
+}
+
+var errPageNotFound = errors.New("page not found")
+
+func newDokuWikiClient(endpoint, username, password string) *dokuWikiClient {
+	endpoint = strings.TrimRight(endpoint, "/")
+	if strings.HasSuffix(endpoint, "/doku.php") {
+		endpoint = strings.TrimSuffix(endpoint, "/doku.php") + "/lib/exe/jsonrpc.php"
+	}
+	return &dokuWikiClient{
+		endpoint:      endpoint,
+		username:      username,
+		password:      password,
+		timeout:       30 * time.Second,
+		retryAttempts: 3,
+		retryBackoff:  500 * time.Millisecond,
+		requestDelay:  50 * time.Millisecond,
+	}
+}
+
+func (c *dokuWikiClient) getPage(pageID string) (string, error) {
+	result, err := c.rpc("wiki.getPage", []any{pageID})
+	if err != nil {
+		return "", err
+	}
+	if result == nil {
+		return "", errPageNotFound
+	}
+	s, ok := result.(string)
+	if !ok {
+		return "", nil
+	}
+	return s, nil
+}
+
+func (c *dokuWikiClient) putPage(pageID, content, summary string) error {
+	_, err := c.rpc("wiki.putPage", []any{pageID, content, map[string]any{"sum": summary}})
+	return err
+}
+
+func (c *dokuWikiClient) deletePage(pageID, summary string) error {
+	_, err := c.rpc("wiki.putPage", []any{pageID, "", map[string]any{"sum": summary, "minor": false}})
+	return err
+}
+
+func (c *dokuWikiClient) listNamespacePages(namespace string) ([]string, error) {
+	result, err := c.rpc("dokuwiki.getPagelist", []any{namespace, map[string]any{}})
+	if err != nil {
+		return nil, err
+	}
+	items, ok := result.([]any)
+	if !ok {
+		return nil, nil
+	}
+	var pages []string
+	for _, item := range items {
+		switch v := item.(type) {
+		case string:
+			pages = append(pages, v)
+		case map[string]any:
+			if id, ok := v["id"].(string); ok {
+				pages = append(pages, id)
+			}
+		}
+	}
+	return pages, nil
+}
+
+func (c *dokuWikiClient) rpc(method string, params []any) (any, error) {
+	var last error
+	for attempt := 1; attempt <= c.retryAttempts; attempt++ {
+		result, err := c.rpcOnce(method, params)
+		if err == nil {
+			return result, nil
+		}
+		last = err
+		if attempt < c.retryAttempts {
+			time.Sleep(c.retryBackoff * time.Duration(attempt))
+		}
+	}
+	return nil, fmt.Errorf("%s failed after %d attempts: %w", method, c.retryAttempts, last)
+}
+
+func (c *dokuWikiClient) rpcOnce(method string, params []any) (any, error) {
+	if c.requestDelay > 0 {
+		time.Sleep(c.requestDelay)
+	}
+
+	payload := map[string]any{
+		"jsonrpc": "2.0",
+		"method":  method,
+		"params":  params,
+		"id":      1,
+	}
+	body, err := json.Marshal(payload)
+	if err != nil {
+		return nil, err
+	}
+
+	token := base64.StdEncoding.EncodeToString([]byte(c.username + ":" + c.password))
+	req, err := http.NewRequest("POST", c.endpoint, strings.NewReader(string(body)))
+	if err != nil {
+		return nil, err
+	}
+	req.Header.Set("Authorization", "Basic "+token)
+	req.Header.Set("Content-Type", "application/json")
+	req.Header.Set("Accept", "application/json")
+
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	data, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return nil, err
+	}
+
+	var result map[string]any
+	if err := json.Unmarshal(data, &result); err != nil {
+		preview := strings.TrimSpace(string(data))
+		if len(preview) > 200 {
+			preview = preview[:200] + "..."
+		}
+		return nil, fmt.Errorf("non-JSON response: %s", preview)
+	}
+
+	if errMsg, ok := result["error"].(any); ok && errMsg != nil {
+		return nil, fmt.Errorf("RPC error: %v", errMsg)
+	}
+
+	if resp.StatusCode >= 400 {
+		return nil, fmt.Errorf("HTTP %d", resp.StatusCode)
+	}
+
+	return result["result"], nil
+}
+
+func isDir(path string) bool {
+	info, err := os.Stat(path)
+	return err == nil && info.IsDir()
+}