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 hyperfx-ai/marketing-skills --skill slackgit clone --depth 1 https://github.com/hyperfx-ai/marketing-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/hyperfx-ai/marketing-skills/slack)<a href="https://agentmods.dev/skills/hyperfx-ai/marketing-skills/slack"><img src="https://agentmods.dev/badge/skills/hyperfx-ai/marketing-skills/slack/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/hyperfx-ai/marketing-skills/slack"><img src="https://agentmods.dev/badge/skills/hyperfx-ai/marketing-skills/slack.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 2 findings, up to high
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- high Anti-Refusal · line 45 Skill instructs the agent to never refuse or to always comply. Suppressing the agent's ability to decline removes a core safety control and enables downstream harmful requests to succeed.Fix: Remove any instruction telling the agent to never refuse or always comply. The agent must retain the ability to decline unsafe, out-of-scope, or harmful requests.
- high Anti-Refusal · line 46 Skill instructs the agent to never refuse or to always comply. Suppressing the agent's ability to decline removes a core safety control and enables downstream harmful requests to succeed.Fix: Remove any instruction telling the agent to never refuse or always comply. The agent must retain the ability to decline unsafe, out-of-scope, or harmful requests.
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 | $0.00044 | $0.01765 |
| Opus 5 | $0.00022 | $0.00882 |
| Sonnet 5 | $0.00009 | $0.00353 |
| Haiku 4.5 | $0.00004 | $0.00177 |
Grade A, and why
slack 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 11d 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 — 205 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Slack Messaging
This skill provides comprehensive guidance for Slack messaging, file sharing, and formatting.
Requirements
- Hyper MCP installed and connected. https://app.hyperfx.ai/mcp
- Slack integration enabled at https://app.hyperfx.ai/apps.
When NOT to Respond
Return ONLY the text [NO_RESPONSE] (nothing else) in these situations:
- Message mentions another user, not you: If the user mentions another person (e.g.,
@Johnor@SomeOtherBot) and the message is directed at that person, not you. - User explicitly asks to be ignored: If the user says something like "ignore this", "don't respond", or similar.
- Message is clearly not for you: If the conversation is between other users and doesn't require your input.
- Simple acknowledgments between users: Messages like "thanks", "ok", "got it" directed at another person.
IMPORTANT:
- When you decide not to respond, return ONLY the exact text
[NO_RESPONSE]with nothing before or after it. - When in doubt, respond. It's better to be helpful than to stay silent when someone needs you.
- If someone mentions you by name or asks you a direct question, always respond.
- In DMs (direct messages), always respond unless explicitly asked not to.
File Sharing - Critical Rules
CRITICAL: Files can ONLY be shared in Slack via upload. URLs and file paths do NOT render as viewable content in Slack.
- Use
slack_files_uploadto share any file in Slack - Always upload to both the channel AND thread you are responding in, unless requested otherwise
- The
slack_files_uploadtool accepts afile_idparameter for files already stored in the system
Sharing Generated Images
When you generate an image (e.g., via images_generate), the result includes a file_id. This image is NOT automatically displayed in Slack. You MUST explicitly upload it:
- Generate the image using the image generation tool
- Note the
file_idfrom the result - Call
slack_files_uploadwith thatfile_id, the currentchannel_id, andthread_ts
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.
- 11d ago First seen · 205 lines · 44 tokens per session scan A 9d08122b7046
slack is a skill published in the GitHub repository hyperfx-ai/marketing-skills (85 stars, last pushed 15d ago), licensed MIT. It adds 44 tokens to every session and 1,765 once invoked, about $0.0002 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 2026-08-30.
Other skills, from other repositories
engagement-inbox-manager
Use when the user asks to "triage our comments, DMs, and mentions", "draft replies to this thread", "can we repost this fan post", or "set up inbox SLAs and an escalation path"; produces a ranked triage queue with register detection (sincere / ironic / performative / parasocial, sentiment-inversion table included …
peon-ping-toggle
Toggle peon-ping sound notifications on/off. Use when user wants to mute, unmute, pause, or resume peon sounds during a Claude Code session. Also handles config changes like volume, pack rotation, categories — any peon-ping setting.
crisis-holding
Draft crisis holding statements, journalist Q&A posture, and what-not-to-say guidance from confirmed incident facts, with a hard legal-counsel gate. Builds each statement through proven crisis-comms frameworks (holding-statement anatomy, SCCT, CAP order, the legitimate non-answer, bridge/flag/block).
find-journalists
Build, refine, dedupe, and enrich small fit-checked journalist lists for newsjack campaigns. Uses the newsjack CLI (preferred) or the medialyst MCP for news search and journalist enrichment, and falls back to a best-effort local mode with no verified contacts; the agent owns how returned data is organized.
story-origin-check
Recover the first public timestamp and canonical major coverage for a newsjacking signal, then decide whether newer coverage is the same story, a different story, or a materially new development.
prompt-proximity-architecture
Turn an approved measurement charter, ICPs, and buyer jobs into a budget-aware prompt coverage blueprint across proximity bands, aided status, information acts, journey states, roles, locales, evidence grades, partitions, and measurement lanes. Use before prompt wording to define required, optional, and prohibited…