If you have any questions, comments, suggestions, bug reports, or issues you would like to discuss regarding Mercury, feel free to contact us on one of the following mailing lists.

Bug reports may also be added to the bug tracker. If sending a bug report, please enclose as much information as possible, including, if possible source code (such as a small test case that exhibits the bug), any error messages encountered, operating system version, and configuration information, compiler flags used and Mercury compiler version. Also, you might want to check the current release to see if a newer release is available, or see the bug tracker to see if the bug has already been reported.

If you wish to contact the core team about something not suitable for the mailing lists then e-mail User support questions are best handled on the mercury-users mailing list.

Mailing Lists

There are four Mercury mailing lists:

To subscribe or unsubscribe to any of these mailing lists, please use the forms on the respective pages.

To post to one of these lists, send an e-mail to one of the following addresses:

Search the Archives

Please use the search bar below to search the archives:

Other communities and social networks


The @MercuryLang twitter account will make announcements of news, releases and other related things.


There is a Mercury IRC channel on the IRC network. Connect to port 6697 with TLS enabled and join the #mercury channel.


There is a Mercury subreddit on the popular link-sharing site reddit. is a website for developers to ask and answer questions. All Mercury-related questions are tagged with [mercury].

Rosetta Code

A Mercury category has been established on Rosetta Code, a website for sharing implementations of common problems in different languages.

Adventures in Mercury

The Adventures in Mercury blog by Chris King tackles various problems and explains how his elegant Mercury solutions are constructed.


Find all projects using Mercury on GitHub.