Claude Code Skills Marketplace is a collection and marketplace of skills, plugins, agents, and instructions that extend Claude Code with specialized development workflows. It is for developers who want to install existing workflows or create, validate, and package their own Claude Code skills.
Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add daymade/claude-code-skills --skill teams-channel-post-writergit clone --depth 1 https://github.com/daymade/claude-code-skillsWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/daymade/claude-code-skills/teams-channel-post-writer)<a href="https://agentmods.dev/skills/daymade/claude-code-skills/teams-channel-post-writer"><img src="https://agentmods.dev/badge/skills/daymade/claude-code-skills/teams-channel-post-writer/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/daymade/claude-code-skills/teams-channel-post-writer"><img src="https://agentmods.dev/badge/skills/daymade/claude-code-skills/teams-channel-post-writer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- Socket pass
- Snyk pass
- NVIDIA SkillSpector pass
What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00099 | $0.00927 |
| Opus 5 | $0.00049 | $0.00464 |
| Sonnet 5 | $0.00020 | $0.00185 |
| Haiku 4.5 | $0.00010 | $0.00093 |
Grade A, and why
teams-channel-post-writer scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 6d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 108 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Teams Channel Post Writer
Overview
Create well-structured, educational Teams channel posts for internal knowledge sharing about Claude Code features and best practices. This skill provides templates, writing guidelines, and a structured workflow to produce consistent, actionable content that helps colleagues learn effective Claude Code usage.
When to Use This Skill
This skill activates when creating Teams channel posts to:
- Announce and explain new Claude Code features
- Share Claude Code tips and best practices
- Teach effective prompting patterns and workflows
- Connect features to broader engineering principles (e.g., context engineering)
- Document lessons learned from using Claude Code
Workflow
1. Understand the Topic
Gather information about what to write about:
- Research the feature/topic thoroughly using official documentation
- Verify release dates and version numbers from changelogs
- Identify the core benefit or principle the post should teach
- Collect concrete examples from real usage
Research checklist:
- Found official release date/version number
- Verified feature behavior through testing or documentation
- Identified authoritative sources to link to
- Understood the underlying principle or best practice
2. Plan the Content
Based on the writing guidelines in references/writing-guidelines.md, plan:
- Hook: What's new or important about this topic?
- Core principle: What best practice does this illustrate?
- Examples: What concrete prompts or workflows demonstrate this?
- Call-to-action: What should readers try next?
3. Draft Using the Template
Start with the template in assets/post-template.md and fill in:
- Title: Use an emoji and clear description
- Introduction: Include release date and brief context
- What it is: 1-2 sentence explanation
- How to use it: Show "Normal vs Better" pattern with explicit instructions
- Why use it: Explain the underlying principle with 4 key benefits
- Examples: Provide 3+ realistic, concrete prompts
- Options/Settings: List key configurations or parameters
- Call-to-action: End with actionable next step
- Learn more: Link to authoritative resources
What ships with it
2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 6d ago First seen · 108 lines · 99 tokens per session scan A 5fc9ebe47e42
teams-channel-post-writer is a skill published in the GitHub repository daymade/claude-code-skills (1,385 stars, last pushed today), licensed MIT. It adds 99 tokens to every session and 927 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.
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