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slack-messaging

slackapi/slack-skills-pluginSkill

Use when writing, drafting, scheduling, or improving a Slack message, announcement, or reply sent via the Slack MCP tools (slack_send_message, slack_send_message_draft, slack_schedule_message). Covers Slack markdown formatting, message structure, thread etiquette, reactions, and scheduling, and points to the right dialect for canvases and Block Kit.

ScannedSkillSource: GitHub
150 stars +4 this week Updated 16d ago License MIT Context ≈92 tokens always loaded
62popular

Why this score

Stars9/35
Usage (forks)3/15
Upkeep25/25
License15/15
Owner history10/10

This repo hosts 9 skills, so its 150 stars are split between them (about 17 each) for scoring.

Popularity score: 62/100 from public GitHub signals only. It shows how widely used and maintained this is, not how well it works. Not included yet: the fake-star check. The security scan is shown separately and doesn't change the score. How we rank

Security

Scanned Oct 20, 2026 at commit 9aa77f187c35, with Cisco's open-source skill-scanner.

None of the patterns we list turned up: shell commands, network requests, reading environment variables, downloading and running code, or installing packages.

A scan lists patterns in the code. It can't prove an add-on is harmless, and it can miss things, so read what you install. How we scan

Alternatives

Other makers' add-ons that do the same job, next to this one.

NameScoreStarsContextUpdated
This oneslack-messaging slackapi/slack-skills-plugin · Skill 62★ 150≈92 always16d ago
slack paperclipai/paperclip · Skill Same job: email, chat & calendar, also for Slack 88★ 105k≈33 always16d ago
slack-gif-creator anthropics/skills · Skill Same job: email, chat & calendar, also for Slack 91★ 182k≈61 always26d ago
hcom-agent-messaging aannoo/hcom · Skill Both about messaging and message 77★ 581≈23 always20d ago
cyrus-setup-slack cyrusagents/cyrus · Skill Same job: email, chat & calendar, also for Slack 69★ 858≈33 always20d ago
messaging matteotitta/repo-structure-in-house · Skill Both about messaging 58★ 63≈26 always21d ago