Epigrade

Add page title, meta description, keywords and robots to all post types and taxonomies. 
Plugin will automatically change page titles for posts, pages, custom posts, categories, tags and custom taxonomies to 
whatever you have entered. Also will inject meta fields in template head section. If however you leave fields empty 
default WordPress or theme behaviour will occur. 
This plugin also removes taxonomy description column from listing table.
You can use it in your theme or other plugin. It creates the following taxonomy and post meta fields: 
 _page_title, <code>_meta_description</code>, <code>_meta_keywords</code>, <code>_meta_robots</code>.
Example usage:
<pre><code>// Get page title value for taxonomy with ID $term_id:
$taxonomy_title = get_term_meta( $term_id, '_page_title', true );

// Get page title value for post with ID $post->ID:
$post_title = get_post_meta( $post->ID, '_page_title', true );
</code></pre>

WP Simple SEO Meta

Add page title, meta description, keywords and robots to all post types and taxonomies.

lhughes33472

This WordPress plugin creates the meta keywords tag and the meta descriptions tag for single posts automatically, simply add the tags <MetaMagic>some text in your post</MetaMagic> while in the WordPress HTML Editor and that will be the meta description tag content. The meta keywords content is generated from the tags in your post. In the Settings Panel you can toggle meta keywords tag only, or meta description tags only, or both, or none. Using the method of tags (<MetaMagic>a phrase in your post or page </MetaMagic>) will allow you to preview your page source, so that you can view your new meta description and meta keywords, once you click publish, the tags are removed from your post, but your meta description & meta keywords are now in your new blog post.

MetaMagic SEO Plugin

This SEO Plugin creates meta descriptions for single posts and pages, meta keywords for single Posts.

WP Simple SEO Meta vs MetaMagic SEO Plugin