Userscripts.org

Adds "quote" links to Metafilter comments.

Allows styling of comments and posts by who wrote them

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.

Annotate MetaFilter user-links everywhere with an indication of user-number.

Adds your personal notes to a metafilter user profile

Replaces the linked comment triangle pointer with a hedgehog.

Unicorn and narwhal buttons plus laser kitty on deleted posts

Highlights posts with lots of comments

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

Marks contributions from all librarians on MetaFilter.

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

Hides all comments on www.metafilter.com containing twee Metafilter: tagline jokes

Maps MeFi tags to social bookmarking tags.

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

Makes spoiler-heavy Metafilter discussion threads that little bit easier by letting you post "freindly" spoilers which can be read with a mouse over, and expand similar spoiler messages with a mouse click.

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

Fixes Your Colour!

Only show highly favorited posts in a discussion thread. Helps you see just the good content in a long thread.

Quickly removes all favorites from a comments- or posts-favorites page in your Metafilter profile.

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.

Adds a brief summary showing thread titles and latest comment time to the Recent Activity page.

A stripped-down, kill-file filter for MetaFilter site, including Recent Activity, without extra bells and whistles

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.

Hides comments and lines in Metafilter comments that consist of nothing but dots, periods, .s

Shows the contact activity sidebar on every subsite

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

Makes the submit button be a unicorn

Rename from "faved" or "... favorites" to a phrase of your liking.

Hide "favorite" counts on metafilter sites. Also hides "has favorites" during the November 2009 experiment.

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