diff --git a/pubky/pkg/package.json b/pubky/pkg/package.json
index 6532b95..e633cc3 100644
--- a/pubky/pkg/package.json
+++ b/pubky/pkg/package.json
@@ -2,18 +2,18 @@
   "name": "@synonymdev/pubky",
   "type": "module",
   "description": "Pubky client",
-  "version": "0.1.0",
+  "version": "0.0.1",
   "license": "MIT",
   "repository": {
     "type": "git",
     "url": "https://github.com/pubky/pubky"
   },
   "scripts": {
-    "lint": "standard --fix",
     "test": "tape test/*.js -cov",
     "test-browser": "browserify test/*.js -p esmify | npx tape-run",
-    "preinstall": "cargo run --bin bundle_pubky_npm",
-    "prepublishOnly": "npm run lint && npm run test"
+    "build": "cargo run --bin bundle_pubky_npm",
+    "preinstall": "npm run build",
+    "prepublishOnly": "npm run build && npm run test && npm run test-browser"
   },
   "files": [
     "nodejs/*",
@@ -36,7 +36,6 @@
   "devDependencies": {
     "browser-resolve": "^2.0.0",
     "esmify": "^2.1.1",
-    "standard": "^17.1.0",
     "tape": "^5.8.1",
     "tape-run": "^11.0.0"
   }
diff --git a/pubky/src/lib.rs b/pubky/src/lib.rs
index 48bcb81..72f2df5 100644
--- a/pubky/src/lib.rs
+++ b/pubky/src/lib.rs
@@ -8,6 +8,12 @@ mod native;
 
 #[cfg(target_arch = "wasm32")]
 mod wasm;
+#[cfg(target_arch = "wasm32")]
+use std::{
+    collections::HashSet,
+    sync::{Arc, RwLock},
+};
+
 use wasm_bindgen::prelude::*;
 
 #[cfg(not(target_arch = "wasm32"))]
@@ -21,4 +27,7 @@ pub struct PubkyClient {
     http: reqwest::Client,
     #[cfg(not(target_arch = "wasm32"))]
     pub(crate) pkarr: PkarrClientAsync,
+    /// A cookie jar for nodejs fetch.
+    #[cfg(target_arch = "wasm32")]
+    pub(crate) session_cookies: Arc<RwLock<HashSet<String>>>,
 }
diff --git a/pubky/src/native.rs b/pubky/src/native.rs
index fa2ae3f..e6627cc 100644
--- a/pubky/src/native.rs
+++ b/pubky/src/native.rs
@@ -8,7 +8,7 @@ use ::pkarr::{
 };
 use pkarr::Keypair;
 use pubky_common::session::Session;
-use reqwest::{Method, RequestBuilder};
+use reqwest::{Method, RequestBuilder, Response};
 use url::Url;
 
 use crate::{error::Result, PubkyClient};
@@ -94,4 +94,7 @@ impl PubkyClient {
     pub(crate) fn request(&self, method: reqwest::Method, url: Url) -> RequestBuilder {
         self.http.request(method, url)
     }
+
+    pub(crate) fn store_session(&self, response: Response) {}
+    pub(crate) fn remove_session(&self, pubky: &PublicKey) {}
 }
diff --git a/pubky/src/shared/auth.rs b/pubky/src/shared/auth.rs
index e78f84a..276ab1d 100644
--- a/pubky/src/shared/auth.rs
+++ b/pubky/src/shared/auth.rs
@@ -20,15 +20,19 @@ impl PubkyClient {
     ) -> Result<()> {
         let homeserver = homeserver.to_string();
 
+        let public_key = &keypair.public_key();
+
         let (audience, mut url) = self.resolve_endpoint(&homeserver).await?;
 
-        url.set_path(&format!("/{}", keypair.public_key()));
+        url.set_path(&format!("/{}", public_key));
 
         let body = AuthnSignature::generate(keypair, &audience)
             .as_bytes()
             .to_owned();
 
-        self.request(Method::PUT, url).body(body).send().await?;
+        let response = self.request(Method::PUT, url).body(body).send().await?;
+
+        self.store_session(response);
 
         self.publish_pubky_homeserver(keypair, &homeserver).await?;
 
@@ -67,6 +71,8 @@ impl PubkyClient {
 
         self.request(Method::DELETE, url).send().await?;
 
+        self.remove_session(pubky);
+
         Ok(())
     }
 
@@ -82,7 +88,9 @@ impl PubkyClient {
             .as_bytes()
             .to_owned();
 
-        self.request(Method::POST, url).body(body).send().await?;
+        let response = self.request(Method::POST, url).body(body).send().await?;
+
+        self.store_session(response);
 
         Ok(())
     }
diff --git a/pubky/src/wasm.rs b/pubky/src/wasm.rs
index 01fcf73..e572670 100644
--- a/pubky/src/wasm.rs
+++ b/pubky/src/wasm.rs
@@ -1,6 +1,11 @@
+use std::{
+    collections::HashSet,
+    sync::{Arc, RwLock},
+};
+
 use wasm_bindgen::prelude::*;
 
-use reqwest::{Method, RequestBuilder};
+use reqwest::{Method, RequestBuilder, Response};
 use url::Url;
 
 use crate::PubkyClient;
@@ -18,6 +23,7 @@ impl PubkyClient {
     pub fn new() -> Self {
         Self {
             http: reqwest::Client::builder().build().unwrap(),
+            session_cookies: Arc::new(RwLock::new(HashSet::new())),
         }
     }
 
@@ -60,7 +66,37 @@ impl PubkyClient {
             .map_err(|e| e.into())
     }
 
-    pub(crate) fn request(&self, method: Method, url: Url) -> reqwest::RequestBuilder {
-        self.http.request(method, url).fetch_credentials_include()
+    pub(crate) fn request(&self, method: reqwest::Method, url: Url) -> RequestBuilder {
+        let request = self.http.request(method, url).fetch_credentials_include();
+
+        for cookie in self.session_cookies.read().unwrap().iter() {
+            return request.header("Cookie", cookie);
+        }
+
+        request
+    }
+
+    // Support cookies for nodejs
+
+    pub(crate) fn store_session(&self, response: Response) {
+        if let Some(cookie) = response
+            .headers()
+            .get("set-cookie")
+            .and_then(|h| h.to_str().ok())
+            .and_then(|s| s.split(';').next())
+        {
+            self.session_cookies
+                .write()
+                .unwrap()
+                .insert(cookie.to_string());
+        }
+    }
+    pub(crate) fn remove_session(&self, pubky: &pkarr::PublicKey) {
+        let key = pubky.to_string();
+
+        self.session_cookies
+            .write()
+            .unwrap()
+            .retain(|cookie| !cookie.starts_with(&key));
     }
 }