Matrix Announcement

Q: What is a Claude Code skill and how does the Matrix Announcement skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Matrix Announcement is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Advertising category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: Advertising · Sub-category: ads-misc · Last updated: 2026-05-21

ai:agent

Use when composing a Matrix announcement — skill release, version bump, weekly digest, breaking-change heads-up, postmortem, RFC, multi-skill pipeline summary, or any agent-authored room post longer than a single line. Defines the HTML subset clients render, the type-tag system, glyph rules (no rockets, no party emoji), the m.text vs m.notice choice, and when to render an HTML card to PNG instead of cramming layout into formatted_body. Trigger before any matrix-send call that produces structured content. Companion to matrix-communication.

About this skill (catalog notes)

Matrix Announcement is published as a SKILL.md file in this catalog. The SKILL.md is on the shorter side at about 543 words.

Original author: netresearch
Indexed lastmod: 2026-05-21
Catalog position: Advertising · ads-misc
Indexed related skills: 10

How Matrix Announcement fits the catalog

Matrix Announcement sits in the Advertising category under the ads-misc sub-topic in the ClaudSkills catalog. There are 10 related skills indexed alongside it; comparing a few before installing usually reveals which fits your workflow best.

These notes are auto-generated from features detected in the SKILL.md file and from this catalog's structure — they aren't part of the source repository.

From the source SKILL.md

Content guidance for Matrix announcements; matrix-communication does the sending.

What this skill does

Matrix Announcement is a community-contributed Claude Code skill in the ads-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/matrix-announcement/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when composing a Matrix announcement — skill release, version bump, weekly digest, breaking-change heads-up, postmortem, RFC, multi-skill pipeline summary, or any agent-authored room post longer than a single line. Defines the HTML subset clients render, the type-tag system, glyph rules (no rockets, no party emoji), the m.

Who uses this skill

The Matrix Announcement Claude Code skill is built for paid media specialists, performance marketers, and advertising teams running paid campaigns. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 116,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/matrix-announcement
curl -L https://claudskills.com/skills/matrix-announcement/SKILL.md \
  -o ~/.claude/skills/matrix-announcement/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/matrix-announcement/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/matrix-announcement/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\matrix-announcement\SKILL.md on Windows. See the full install guide for step-by-step instructions.

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Matrix Announcement Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/matrix-announcement/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the Matrix Announcement skill do?

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

When should I use the Matrix Announcement skill?

Use Matrix Announcement when your Claude Code task falls under the Advertising category — specifically in the ads misc area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Matrix Announcement" or describe the task and let Claude pick). Browse related skills at /category/ads/.

What is a Claude Code skill and how does the Matrix Announcement skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Matrix Announcement is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Advertising category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/netresearch/matrix-skill/blob/HEAD/skills/matrix-announcement/SKILL.md
Author: netresearch

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

netresearch. (2026). Matrix Announcement [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/matrix-announcement/

BibTeX

@misc{matrix-announcement-2026,
  author    = {netresearch},
  title     = {Matrix Announcement [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/matrix-announcement/}
}

Embed this skill

Promote, attribute, or link this skill from your own README, blog post, or documentation. All three snippets are free to use — no sign-up, no API key. More distribution surfaces →

Badge

[![ClaudSkills](https://claudskills.com/badge/matrix-announcement.svg)](https://claudskills.com/skills/matrix-announcement/?utm_source=badge&utm_medium=readme&utm_campaign=skill_badge)

More Advertising skills

Browse all Advertising skills in the ClaudSkills registry, or explore these other picks from the same category:

Browse all Advertising skills → Top 100 skills

Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills. · What's New · Install guide · About · llms.txt

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