Skill profile

slack-messaging

Use when writing, drafting, scheduling, or improving a Slack message, announcement, or reply sent via...

What this skill does for you

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.

Quoted from the skill description in the pinned source

Who made it

Publisherslackapi

Repositoryslack-skills-plugin

Installs571as of Sep 27, 2026

Use it with Edge

Set up Edge for me: read getedge.cc/SKILL.md and follow it. Then use Edge to load the slack-messaging skill from slackapi/slack-skills-plugin.

Paste it into Claude, ChatGPT, Codex or Cursor.

Or read the skill source first.

Security evidence

Security state at 2026-09-30: reviewed. State definitions. This records static evidence for this revision; live load eligibility is checked again.

3 static scans, 0 counted findings. The listed scanners recorded the results shown for this package revision.

Scanner	Date	Result
Edge static checks	2026-09-27	Pass
Cisco skill-scanner	2026-09-27	Pass
Semgrep Edge rules	2026-09-27	Pass

Static scans check the code, not how well the skill works.

Scanner scope, raw findings and mirrored provider records

Edge static checks (Edge-run): edge-static/1.0.1. Scope: Static patterns for remote execution, credentials with network sends, obfuscation, prompt overrides, hidden Unicode, binaries and persistence. Revision: 4399a32bf7b044532420976d030331f3bcb1a2f9. Raw findings: . Counted findings: .

Cisco skill-scanner (Edge-run): cisco-skill-scanner/2.1.0. Scope: Local static, YARA, pipeline and behavioral analyzers; no LLM or AI Defense analysis. Revision: 4399a32bf7b044532420976d030331f3bcb1a2f9. Raw findings: 1. Counted findings: .

Semgrep Edge rules (Edge-run): semgrep/1.178.0+edge-rules.c15016a36fd3+offline-v1. Scope: Six Edge-authored static rules with Semgrep CE; offline execution and metrics disabled. Semgrep-maintained rules excluded. Revision: 4399a32bf7b044532420976d030331f3bcb1a2f9. Raw findings: . Counted findings: .

Source and licence

Repository: https://github.com/slackapi/slack-skills-plugin
Pinned skill file: View source at revision
Revision: 4399a32bf7b044532420976d030331f3bcb1a2f9
Package hash: sha256:87f934695f0cb313d4aa86c86302b2bf90f43f2f997b6656cbad6f214ab03ff6
Licence: MIT