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channel-messaging SKILL.md skillA

channel-messaging from postplusai/postplus-skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned

mdr add postplusai/postplus-skills/channel-messaging@git:20260929.979ffc7

Pins git:20260929.979ffc7 in mdr.lock. Pin the fingerprint instead.

Audit grade: A, 17 of 17 checks passed
Kind: SKILL.md skill
Repository: postplusai/postplus-skills
Path: skills/50-publishing/channel-messaging/SKILL.md
Versions recorded: 1
Latest version: git:20260929.979ffc7, committed Sep 29, 2026
Size: 4,631 bytes
Repository stars: 27
License: a license file GitHub does not identify

Draft or act in a specified Discord, Slack, or WhatsApp Business conversation, including supported sends, Slack file shares or edits, and follow-up verification.

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# Channel Messaging

Use this skill when the user wants a message in a specific conversation, not
when they want social content planning, public-content research, or an ad
report. A request for a draft stops at the draft: it does not require a
connection. Never send an internal report to Slack, Discord, or WhatsApp merely
because a destination is available.

## Choose the task and destination

| User's task | Read |
| --- | --- |
| Find a bot-accessible Discord server/channel, notify, or create and use a thread | [Discord](references/discord.md) |
| Send, reply in a thread, schedule, share a file, edit, or check a Slack message | [Slack](references/slack.md) |
| Reply in an eligible customer conversation or send an approved template | [WhatsApp Business](references/whatsapp-business.md) |

Resolve five facts before any send: **who** receives it, **what** will be
sent, **when**, **why this account may contact them**, and **what evidence will
prove the requested outcome**. Preserve the user's exact channel, parent
message, phone number, language, and local time. Names, screenshots, and
previous examples are clues, not confirmed external IDs. If the user asks to
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint

mdr add postplusai/postplus-skills/channel-messaging@sha256:55d469af7e91b71c

The line at the top of this page pins the label git:20260929.979ffc7, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

[![mdr](https://markdownregistry.com/badge/art_up63dordkjegvvde.svg)](https://markdownregistry.com/a/art_up63dordkjegvvde)

0 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 1 version of this file, committed on Sep 29, 2026.

version	committed	commit	size	audit
git:20260929.979ffc7 latest	2026-09-29	979ffc7	4,631 B	A	view

Audit of the latest version

A 17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.

pass: Frontmatter block present
pass: Frontmatter declares a name
pass: Frontmatter declares a description
pass: Size between 200 bytes and 200 KB (4631 bytes)
pass: No zero-width or bidi control characters
pass: No instruction hidden inside an HTML comment
pass: No link to an exfiltration or paste host
pass: No credential-shaped string
pass: No instruction to send local credentials anywhere
pass: No text hidden with inline styles
pass: No prompt-injection phrasing
pass: No curl or wget piped into a shell
pass: No recursive delete of root, home or parent
pass: No instruction to read or print local credentials
pass: No base64 blob over 200 characters
pass: No link to a raw IP address
pass: No script tag

Source

GitHub

postplusai/postplus-skills · 27 stars · license a license file GitHub does not identify · pushed 2026-10-22 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_up63dordkjegvvde
GET https://markdownregistry.com/api/v1/resolve?ref=postplusai/postplus-skills/channel-messaging
GET https://markdownregistry.com/api/v1/blob/55d469af7e91b71c0b1925811e7b852e918d3bc6acb660aec1f44d8da6ea6c8e

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.