diff --git a/categories/communication.md b/categories/communication.md
index 5c33ca7..71528e0 100644
--- a/categories/communication.md
+++ b/categories/communication.md
@@ -147,3 +147,4 @@
 - [zepto](https://clawskills.sh/skills/bewithgaurav-zepto) - Order groceries from Zepto in seconds.
 - [lobstermail-agent-email](https://clawskills.sh/skills/samuelchenardlovesboards-lobstermail-agent-email) - Email for AI agents. No API keys, no signup.
 - [sol-email](https://clawhub.ai/amrree/sol-email) - Read and send emails via himalaya (Maildir) and SMTP. Real inbox, real replies.
+- [atomicmail](https://clawhub.ai/atomicmail/atomicmail) - Agent-owned @atomicmail.ai inbox over JMAP. PoW signup, no API keys.