--- /dev/null
+++ b/app/controllers/api_controller.rb
@@ -0,0 +1,9 @@
+class ApiController < ApplicationController
+
+  def user
+    @user = User.find_by_login!(params[:user])
+    @projects = @user.projects.find(:all, :include => [:tags, { :repositories => :project }])
+    @repositories = @user.repositories.find(:all, :conditions => ["mainline = ?", false])
+  end
+
+end

--- /dev/null
+++ b/app/helpers/api_helper.rb
@@ -0,0 +1,2 @@
+module ApiHelper
+end

--- /dev/null
+++ b/app/views/api/user.xml.builder
@@ -0,0 +1,17 @@
+xml.instruct! :xml, :version => "1.0"
+xml.user do
+  xml.name(@user.login)
+  xml.login(@user.login)
+  xml.email(@user.email)
+  xml.location('unknown')
+  xml.repositories do
+    @projects.each do |project|
+      xml.repository do
+        xml.name(project.slug)
+        xml.url(url_for(:controller => 'projects', :action => 'show', :id => project, :only_path => false))
+        xml.description(project.description)
+        xml.homepage(project.home_url)
+      end
+    end
+  end
+end
\ No newline at end of file

--- a/config/routes.rb
+++ b/config/routes.rb
@@ -58,6 +58,8 @@ ActionController::Routing::Routes.draw do |map|
   end
   
   map.resource :search
+
+  map.api '/api/:format/:action/:user', :controller => 'api', :requirements => { :id => /.+/ }
   
   map.with_options :controller => 'sessions' do |session|
     session.login    '/login',  :action => 'new'

--- /dev/null
+++ b/spec/controllers/api_controller_spec.rb
@@ -0,0 +1,15 @@
+require File.dirname(__FILE__) + '/../spec_helper'
+
+describe ApiController do
+
+  describe "users api" do
+    integrate_views
+
+    it "should render useful user information" do
+      get :user, :format => 'xml', :user => 'johan'
+      response.body.should include(%Q{<login>johan</login>})
+    end
+
+  end
+
+end