php SEO Forum management Tool-Script

requirement /PHP/cURL/MySQL/AJaX/ SEO Forum management Tool / Script I need one PHP script which can manage my Forum users on vBulletin, phpBB, and MyBB. . First function. [login to view URL] login with the selected user 2. show me all available categories who i can post 3. choose one category (via check box). 4. type some text / post and send post. Second function. 1. show all posts from this specific "§user" (I must be able to enter the user). 2. choose one post (via check box). 3. type some text / post and send reply. third function. 1. type one keyword and search in the forum. 2. give me all the hits from 3. choose one hit (via check box). 4. type some text / post and send reply. it must be possible to set the time when is the post transmitted over simple cron JOB. this tool / script must have grafical interface over one webpage. the script is just for SEO needs. budget- 70-100$