Version 1.0.1 of package Notmuch-Indicator has just been released in GNU ELPA.
You can now find it in M-x list-packages RET.

Notmuch-Indicator describes itself as:

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  Display mode line indicator with notmuch-count(1) output
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More at https://elpa.gnu.org/packages/notmuch-indicator.html

## Summary:

  # notmuch-indicator for Emacs

  + Package name (GNU ELPA): `notmuch-indicator`
  + Git repo on SourceHut: <https://git.sr.ht/~protesilaos/notmuch-indicator>
    - Mirrors:
      + GitHub: <https://github.com/protesilaos/notmuch-indicator>
      + GitLab: <https://gitlab.com/protesilaos/notmuch-indicator>
  + Mailing list: <https://lists.sr.ht/~protesilaos/notmuch-indicator>
  + Backronym: notmuch-... Increasingly in Need of Displaying
    Inconsequential Counters Alongside Trivia that Obscure Reality.

  * * *

  This is a simple package that renders an indicator with an email count
  of the `notmuch` index on the Emacs mode line.  The underlying mechanism
  is that of `notmuch-count(1)`, which is used to find the number of items
  that match the given search terms.

## Recent NEWS:

[Not available 🙁]