Userscripts.org

Shows deleted posts on MetaFilter. This script is known to work in Firefox/Greasemonkey and Google Chrome.

Navigate users' comments in Metafilter threads. Highlights comments by you and the original poster, and Metatalk comments by the admins.

Tracks your last-read comment in threads, and allows you to jump back to it easily. This script is known to work with Firefox/Greasemonkey, Opera, Chrome, and Safari.

Adds "quote" links to Metafilter comments.

Highlights multifavorited comments with bars whose width indicates the number of favorites; cannibalized from flatluigi's script

Mark contact contributions on Metafilter

Numbers comments - handy in longboat threads.

Highlights posts with lots of comments

Helps you keep track of questions and posts you want to make later. NOTE: AskMe Question Pad changed names. You may need to manually uninstall the script with the old name.

Makes the submit button be a unicorn

Marks contributions from all librarians on MetaFilter.

Unicorn and narwhal buttons plus laser kitty on deleted posts

Hover over favorites count in MetaFilter comments to see which users favorited the comment.

changes background color of links to warn if video, pdf, ...

Tells you how long until you can post next on Metafilter

Turns the submit button into a unicorn and the preview button into a narwhal (100 px version)

changes the new 'welcome back' message to the string of your choice (defaults to 'GYOFB')

Highlights multifavorited comments on Metafilter.

Mondo Caboodle v2.0 is a mashup of the Mondo Image and Mondo Meta script tools for MetaFilter. It was written by request for readers who don't want to have to use two separate scripts to get the full tool functionality.

Adds a "Playlists" tab to the Mefi Music tab bar, and adds the tab bar to most music.metafilter pages

Adds "why?" links to old stuff in Recent Favorites that were newly favorited. Links to a search for the URL, which will hopefully show you a link from another comment.

When you click on the tick/check next to a question, jump to the first 'best answer'.

Removes any indication of 'best' answers from AskMefi.

Removes non-'best' answers when you click on the best-answered tick/check.

Adds an e-mail icon next to each user so that it is easier to contact them via MeMail (MetaFilter Mail Messages).

change the name of favorites

Shows the contact activity sidebar on every subsite

This is a very simple script that hides all anonymous questions on Ask MetaFilter — http://ask.metafilter.com/. No offence is intended towards those who appreciate anonymous questions. I simply prefer a MetaFilter that does not include them.

Maps MeFi tags to social bookmarking tags.

Replaces the linked comment triangle pointer with a hedgehog.