diff --git a/appview/state/signer.go b/appview/state/signer.go
index 6ce2aefe..70158720 100644
--- a/appview/state/signer.go
+++ b/appview/state/signer.go
@@ -301,3 +301,17 @@ func (us *UnsignedClient) DefaultBranch(ownerDid, repoName string) (*http.Respon
 
 	return us.client.Do(req)
 }
+
+func (us *UnsignedClient) Capabilities(ownerDid, repoName string) (*http.Response, error) {
+	const (
+		Method   = "GET"
+		Endpoint = "/capabilities"
+	)
+
+	req, err := us.newRequest(Method, Endpoint, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	return us.client.Do(req)
+}
diff --git a/knotserver/handler.go b/knotserver/handler.go
index 5be0725d..8df4eafd 100644
--- a/knotserver/handler.go
+++ b/knotserver/handler.go
@@ -70,6 +70,7 @@ func Setup(ctx context.Context, c *config.Config, db *db.DB, e *rbac.Enforcer, j
 	}
 
 	r.Get("/", h.Index)
+	r.Get("/capabilities", h.Capabilities)
 	r.Get("/version", h.Version)
 	r.Route("/{did}", func(r chi.Router) {
 		// Repo routes
diff --git a/knotserver/routes.go b/knotserver/routes.go
index 147a06b5..055a4923 100644
--- a/knotserver/routes.go
+++ b/knotserver/routes.go
@@ -31,6 +31,24 @@ func (h *Handle) Index(w http.ResponseWriter, r *http.Request) {
 	w.Write([]byte("This is a knot server. More info at https://tangled.sh"))
 }
 
+func (h *Handle) Capabilities(w http.ResponseWriter, r *http.Request) {
+	w.Header().Set("Content-Type", "application/json")
+
+	capabilities := map[string]any{
+		"pull_requests": map[string]any{
+			"patch_submissions": true,
+		},
+	}
+
+	jsonData, err := json.Marshal(capabilities)
+	if err != nil {
+		http.Error(w, "Failed to serialize JSON", http.StatusInternalServerError)
+		return
+	}
+
+	w.Write(jsonData)
+}
+
 func (h *Handle) RepoIndex(w http.ResponseWriter, r *http.Request) {
 	path, _ := securejoin.SecureJoin(h.c.Repo.ScanPath, didPath(r))
 	l := h.l.With("path", path, "handler", "RepoIndex")