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 cosmicstack-labs/mercury-agent-skills --skill github-repo-promogit clone --depth 1 https://github.com/cosmicstack-labs/mercury-agent-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/cosmicstack-labs/mercury-agent-skills/github-repo-promo)<a href="https://agentmods.dev/skills/cosmicstack-labs/mercury-agent-skills/github-repo-promo"><img src="https://agentmods.dev/badge/skills/cosmicstack-labs/mercury-agent-skills/github-repo-promo/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/cosmicstack-labs/mercury-agent-skills/github-repo-promo"><img src="https://agentmods.dev/badge/skills/cosmicstack-labs/mercury-agent-skills/github-repo-promo.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 12 findings, up to medium
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 →
- medium Agent Snooping · line 22 Skill enumerates or reads other installed skills. Access to other skills' SKILL.md files or the skills directory reveals prompt instructions, capabilities, and secrets that should be invisible to peer skills.Fix: Remove all code or instructions that list or read other skills' files or directories. Skills should operate independently; cross-skill access is a privilege escalation.
- medium Agent Snooping · line 466 Skill enumerates or reads other installed skills. Access to other skills' SKILL.md files or the skills directory reveals prompt instructions, capabilities, and secrets that should be invisible to peer skills.Fix: Remove all code or instructions that list or read other skills' files or directories. Skills should operate independently; cross-skill access is a privilege escalation.
- medium Data Exfiltration · line 165 Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.Fix: Verify the destination URL is trusted and necessary. Remove or replace with documented APIs. Ensure no secrets, tokens, or PII are transmitted.
- medium Data Exfiltration · line 172 Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.Fix: Verify the destination URL is trusted and necessary. Remove or replace with documented APIs. Ensure no secrets, tokens, or PII are transmitted.
- medium Data Exfiltration · line 172 Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.Fix: Verify the destination URL is trusted and necessary. Remove or replace with documented APIs. Ensure no secrets, tokens, or PII are transmitted.
- medium MCP Rug Pull · line 314 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
- medium MCP Rug Pull · line 315 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
- medium MCP Rug Pull · line 316 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
- medium MCP Rug Pull · line 322 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
- medium MCP Rug Pull · line 328 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
- medium MCP Rug Pull · line 455 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
- medium MCP Rug Pull · line 456 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
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 | $0.00079 | $0.04825 |
| Opus 5 | $0.00039 | $0.02413 |
| Sonnet 5 | $0.00016 | $0.00965 |
| Haiku 4.5 | $0.00008 | $0.00483 |
Grade A, and why
github-repo-promo scanned grade A with 1 finding 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 8d 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.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
curl -s -X POST "https://api.elevenlabs.io/v1/text-to-speech/AZnzlk1XvdvUeBnXmlld" \ How it starts
The opening of the file, as written. The whole thing — 468 lines — stays where its author put it; the contents beside it link to each section on GitHub.
GitHub Repo Promo Video
Depends on: website-to-hyperframes — load it before starting. Its 6-step workflow (capture → brand → brief → storyboard → build → validate) and all reference files apply here. This skill specializes that workflow for GitHub repository promos.
Core Decisions
| Decision | Value | Why |
|---|---|---|
| Dimensions | 1080x1920 (Instagram Reels) | Instagram Reels is the primary distribution format. Landscape is secondary. |
| Phone mockup viewport | Full-screen of available viewport | The phone mockup fills the entire 1080x1920 canvas — no letterboxing, no sidebars. The scrolling screenshot occupies every pixel. |
| Narration priority | Narration drives timing | Beat durations are computed FROM the narration audio, not the other way around. The narrator always knows the scroll state. |
| Output folder | github-promos/<repo-name>/ |
All promo projects live under a parent github-promos/ directory for organization. |
| Follow CTA | @githubprojects (or user-specified) |
Final beat shows "Follow @githubprojects for more trending repos" — not just "star on GitHub". |
Directory Structure
Every promo project lives under a single parent folder:
github-promos/
<repo-name>/
index.html ← main composition (mandatory)
package.json ← Node project config (from hyperframes init)
hyperframes.config.json ← HyperFrames config
DESIGN.md ← brand cheat sheet (Step 1 output)
STORYBOARD.md ← beat plan (Step 3 output)
SCRIPT.md ← narration script (Step 3 output)
assets/
repo-page.png ← Full-page GitHub screenshot (dark mode)
narration.mp3 ← ElevenLabs voiceover
renders/ ← generated videos
Sibling repos coexist under github-promos/:
github-promos/
mercury-agent-skills/
nextjs/
three.js/
react/
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.
- 8d ago First seen · 468 lines · 79 tokens per session scan A 56f3932c1e7c
github-repo-promo is a skill published in the GitHub repository cosmicstack-labs/mercury-agent-skills (471 stars, last pushed 17d ago), licensed MIT. It adds 79 tokens to every session and 4,825 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.
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