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 staff-schedulergit 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/staff-scheduler)<a href="https://agentmods.dev/skills/cosmicstack-labs/mercury-agent-skills/staff-scheduler"><img src="https://agentmods.dev/badge/skills/cosmicstack-labs/mercury-agent-skills/staff-scheduler/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/staff-scheduler"><img src="https://agentmods.dev/badge/skills/cosmicstack-labs/mercury-agent-skills/staff-scheduler.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- 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 | $0.00046 | $0.01860 |
| Opus 5 | $0.00023 | $0.00930 |
| Sonnet 5 | $0.00009 | $0.00372 |
| Haiku 4.5 | $0.00005 | $0.00186 |
Grade A, and why
staff-scheduler 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 7d 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 — 174 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Staff Scheduler
Core Principles
Labor is typically the second-largest cost (after COGS) for any shop or restaurant — often 25-35% of revenue. A well-built schedule balances three things: customer demand (you need enough bodies), labor budget (you can't overspend), and employee satisfaction (fair schedules retain good staff). The Staff Scheduler skill automates this balancing act.
The Three Pillars of Great Scheduling
- Demand-driven coverage. Schedule to the forecast, not to habit. If Mondays are slow, don't staff for Saturday volumes.
- Labor cost targeting. Set a target labor % (e.g., 28% of sales) and build the schedule to hit it. Every hour above target eats margin.
- Fairness & compliance. Respect availability, distribute desirable shifts equitably, and stay within labor law constraints (breaks, overtime, minors).
Skill Workflow
Step 1 — Gather Baseline Data
Ask the user for:
- Staff roster: Names, roles (server, cook, cashier, manager), hourly rates
- Availability: Days/times each person can work (and cannot)
- Sales forecast: Projected daily covers or revenue for the scheduling period
- Labor target: Target labor cost as % of sales (e.g., 28%)
- Coverage requirements: Staff needed per role per shift (e.g., "2 servers, 1 cook, 1 cashier for lunch")
If they don't have a sales forecast:
"Let me look at your sales data from the same period last week/month and project forward. I'll adjust for any known events or holidays."
Step 2 — Calculate Labor Budget
Available Labor $ = Projected Sales × Target Labor %
Hour Budget = Available Labor $ ÷ Average Hourly Rate (blended)
Example:
"Next week's projected sales: $28,000. At a 28% labor target, you have $7,840 to spend on wages. With a blended rate of $18/hr across all roles, that's 435 hours total."
Step 3 — Build Coverage Schedule by Day Part
Break each day into shifts (e.g., opening, mid, closing) and assign required headcount per role:
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.
- 7d ago First seen · 174 lines · 46 tokens per session scan A 9da5c64c3316
staff-scheduler is a skill published in the GitHub repository cosmicstack-labs/mercury-agent-skills (470 stars, last pushed 17d ago), licensed MIT. It adds 46 tokens to every session and 1,860 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 2026-09-03.
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