diff --git a/.changes/unreleased/Added-20251112-201311.yaml b/.changes/unreleased/Added-20251112-201311.yaml
new file mode 100644
index 0000000..372c687
--- /dev/null
+++ b/.changes/unreleased/Added-20251112-201311.yaml
@@ -0,0 +1,3 @@
+kind: Added
+body: Add a web extension
+time: 2025-11-12T20:13:11.961655215+01:00
diff --git a/Cargo.lock b/Cargo.lock
index 98947b0..df7c9aa 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -174,7 +174,7 @@ dependencies = [
 
 [[package]]
 name = "cl-cli"
-version = "0.5.0-alpha15"
+version = "0.5.0-alpha16"
 dependencies = [
  "clap",
  "gitlab",
diff --git a/Cargo.toml b/Cargo.toml
index a9d5676..f23e1a1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,8 +1,8 @@
 [package]
 name = "cl-cli"
-version = "0.5.0-alpha15"
+version = "0.5.0-alpha16"
 edition = "2021"
-license = "GPLv3"
+license = "GPL-3.0-or-later"
 description = "Some helpers scripts for Champs-Libres"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
@@ -30,12 +30,12 @@ serde_json = "1.0.145"
 
 [package.metadata.deb]
 maintainer = "Julien Fastré <julien.fastre@champs-libres.coop>"
-copyright = "AGPLv3"
 extended-description = """Helpers for Champs-Libres"""
 depends = "$auto"
 section = "utility"
 priority = "optional"
 assets = [
     ["target/release/cl-cli", "usr/bin/cl", "755"],
-    ["target/release/webext", "usr/bin/", "755"],
+    ["target/release/webext", "usr/bin/cl-webext", "755"],
+    ["web-extension/_native-messaging/cl_cli.json", "/usr/lib/mozilla/native-messaging-hosts/", "644"]
 ]
diff --git a/README.md b/README.md
index 6003ae8..786a952 100644
--- a/README.md
+++ b/README.md
@@ -6,23 +6,49 @@ Currently:
 
 - convert a gitlab issue to a work package
 
-## Install & configure
+## Install
 
-### Install
+There are two components to install:
 
-Download the most recent binaries at https://gitea.champs-libres.be/julienfastre/cl-cli/releases
+- a firefox add-ons;
+- some binaries on the host machine
 
-Once downloaded, install it:
+### Install firefox add-on
 
-```
-# this will install the command globally with the name "cl-cli"
-sudo install cl-cli /usr/local/bin/cl-cli
+Using firefox, download the `.xpi` file from the [release page](https://gitea.champs-libres.be/julienfastre/cl-cli/releases) of the `julienfastre/cl-cli` repository.
 
-# this will install the command globally with the name "cl"
-sudo install cl-cli /usr/local/bin/cl
+### Install cl-cli binaries
+
+#### Using package manager
+
+A debian package is published and stored on gitea.
+
+
+
+```bash
+# download the gpg key
+sudo curl https://gitea.champs-libres.be/api/packages/julienfastre/debian/repository.key -o /etc/apt/keyrings/gitea-julienfastre.asc
+
+# add the package repository. You must adapt the $distribution (see below)
+echo "deb [signed-by=/etc/apt/keyrings/gitea-julienfastre.asc] https://gitea.champs-libres.be/api/packages/julienfastre/debian $distribution main" | sudo tee -a /etc/apt/sources.list.d/gitea.list
+
+# update
+sudo apt update
+
+# install
+sudo apt install cl-cli
 ```
 
-### Configure
+Available distributions:
+
+- Ubuntu 24..04: noble
+- Ubuntu 25.04: plucky
+- Ubuntu: 25.10: questing
+
+**Note:** The package is very simple, there are very few dependencies, and there isn't any difference between them for now.
+
+
+## Configure
 
 Copy the file [config.toml.dist](./config.toml.dist) as a template, and
 save it at the path `$HOME/.config/cl-cli/config.toml`:
@@ -33,14 +59,19 @@ cp config.toml $HOME/.config/cl-cli/config.toml
 editor $HOME/.config/cl-cli/config.toml
 ```
 
-Then, fill it with the required configuration options (gitlab and openproject token).
+Then, fill it with the required configuration options:
+
+- gitea personal access token: 
+
+    ![configuration screenshort](./docs/configuration/gitea_screenshot_configure_pat.png)
+- Gitlab: [Create an access token](https://gitlab.com/-/user_settings/personal_access_tokens?name=cl-cli&scopes=api,read_user) With the "api" and "read_user" scopes
+- [Openproject](https://champs-libres.openproject.com/my/access_tokens)
 
 
-## Usage
+## Usage as CLI
 
 ### Convert a gitlab issue into a work package
 
-
 ```bash
 cl-cli planning i2work https://gitlab.com/Chill-Projet/chill-bundles/-/issues/240 chill
 ```
diff --git a/docs/configuration/gitea_screenshot_configure_pat.png b/docs/configuration/gitea_screenshot_configure_pat.png
new file mode 100644
index 0000000..28fa6d4
Binary files /dev/null and b/docs/configuration/gitea_screenshot_configure_pat.png differ
diff --git a/web-extension/_native-messaging/cl_cli.json b/web-extension/_native-messaging/cl_cli.json
new file mode 100644
index 0000000..6ff0047
--- /dev/null
+++ b/web-extension/_native-messaging/cl_cli.json
@@ -0,0 +1,7 @@
+{
+  "name": "cl_cli",
+  "description": "Call cl-cli from browser",
+  "path": "/usr/bin/cl-webext",
+  "type": "stdio",
+  "allowed_extensions": ["helper@champs-libres-coop"]
+}
diff --git a/web-extension/cl/package.json b/web-extension/cl/package.json
index 2c64e3e..5b8f8ce 100644
--- a/web-extension/cl/package.json
+++ b/web-extension/cl/package.json
@@ -12,7 +12,7 @@
   },
   "keywords": [],
   "author": "",
-  "license": "ISC",
+  "license": "GPL-3.0-or-later",
   "type": "commonjs",
   "devDependencies": {
     "@types/firefox-webext-browser": "^143.0.0",