messaging plugins

15 tagged messaging, measured the same way as everything else here.

zulipchat

04

akougkas/zulipchat-mcp

Plugin Claude Code

Connect Claude Code sessions to Zulip topics with lifecycle hooks, owner approvals, and bidirectional control.

26 23d ago A tokens not measured original MIT

adam-lagerhausen/b2b-marketing-skills

Plugin Claude Code

B2B product marketing skills for AI agents — customer research, positioning, messaging, launches, sales narratives, demos, customer proof, category POVs, and AI PMM review.

5 2mo ago A tokens not measured original MIT

postcard

09

Open-Agent-Tools/Postcard

Plugin Claude Code

Asynchronous 1-to-1 postcard messaging between AI agent sessions via a Git-backed ledger.

2 21d ago A tokens not measured original MIT

slack-mcp

10

2389-research/slack-mcp

Plugin Claude Code

Slack workspace integration - create channels, invite users, post messages, and manage threads.

1 1mo ago A tokens not measured original MIT

texting

11

bowlofarugula/texting

Plugin Claude Code

Text and read iMessages with Claude, Gmail-style: human-in-the-loop, no auto-replies. Ships an iMessage MCP server over the imsg engine (sendmessage with iMessage/SMS auto-routing, listchats, readmessages, searchmessages, react, watch) plus skills for sending, reading, listening, and one-time setup. macOS only.

1 2mo ago A tokens not measured original Apache-2.0

artemis-mcp-server

13

k-krawczyk/artemis-mcp-server

Plugin Claude Code

Work with an ActiveMQ Artemis broker: send/browse/consume messages, manage queues and addresses, read broker stats, and run admin operations.

1 1mo ago A tokens not measured original MIT

hato

14

severzemlya/hato

Plugin Claude Code

Marketplace for the hato plugin (this repo is both the marketplace and the plugin).

0 1mo ago A tokens not measured original MIT

hato

15

severzemlya/hato

Plugin Claude Code

Carrier-pigeon messaging between Claude Code sessions — send messages and files, and get woken up by other sessions across your machines.

0 1mo ago A tokens not measured original MIT