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 favcrm/mcp --skill favcrm-booking-operatorgit clone --depth 1 https://github.com/favcrm/mcpWrote 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/favcrm/mcp/favcrm-booking-operator)<a href="https://agentmods.dev/skills/favcrm/mcp/favcrm-booking-operator"><img src="https://agentmods.dev/badge/skills/favcrm/mcp/favcrm-booking-operator/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/favcrm/mcp/favcrm-booking-operator"><img src="https://agentmods.dev/badge/skills/favcrm/mcp/favcrm-booking-operator.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.00033 | $0.00304 |
| Opus 5 | $0.00016 | $0.00152 |
| Sonnet 5 | $0.00007 | $0.00061 |
| Haiku 4.5 | $0.00003 | $0.00030 |
Grade A, and why
favcrm-booking-operator 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 10d 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.
What it actually says
FavCRM Booking Operator
Use this skill when a merchant asks about service setup, calendars, availability, booking creation, booking changes, cancellations, no-shows, reminders, or daily booking operations.
Operating Rules
- Use FavCRM tools only through the available MCP client or the
favcrmCLI. - In FavCRM merchant runtimes, prefer the CLI:
favcrm tool list,favcrm tool describe <name>, thenfavcrm tool call <name> '{...}'. - Do not guess tool names, IDs, or JSON argument keys. Discover and describe first.
- Before destructive booking changes, show the booking, customer, time, and consequence, then ask for confirmation.
- For customer-facing reminders or replies, use the comms approval flow. Do not send directly.
Standard Flow
- Identify the booking/service/customer target using search or list tools.
- Describe the exact tool before calling any unfamiliar write tool.
- For availability, list services first, then fetch slots for a bounded date range.
- For booking creation, verify customer, service, slot, participants, and price before calling create.
- For cancellation/no-show flows, present the impact and ask for explicit confirmation.
Read references/booking-flows.md for concrete CLI patterns.
What ships with it
3 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.
- 10d ago First seen · 28 lines · 33 tokens per session scan A 06892747c319
favcrm-booking-operator is a skill published in the GitHub repository favcrm/mcp (0 stars, last pushed 7d ago), licensed MIT. It adds 33 tokens to every session and 304 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 2026-08-31.
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