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 zscaler/zscaler-mcp-server --skill manage-time-intervalgit clone --depth 1 https://github.com/zscaler/zscaler-mcp-serverWrote 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/zscaler/zscaler-mcp-server/manage-time-interval)<a href="https://agentmods.dev/skills/zscaler/zscaler-mcp-server/manage-time-interval"><img src="https://agentmods.dev/badge/skills/zscaler/zscaler-mcp-server/manage-time-interval/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/zscaler/zscaler-mcp-server/manage-time-interval"><img src="https://agentmods.dev/badge/skills/zscaler/zscaler-mcp-server/manage-time-interval.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 | $0.00202 | $0.02581 |
| Opus 5 | $0.00101 | $0.01290 |
| Sonnet 5 | $0.00040 | $0.00516 |
| Haiku 4.5 | $0.00020 | $0.00258 |
Grade A, and why
zia-manage-time-interval 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.
How it starts
The opening of the file, as written. The whole thing — 167 lines — stays where its author put it; the contents beside it link to each section on GitHub.
ZIA: Manage Time Interval (find-or-create)
How to talk to the admin
- Don't narrate tool calls, search filters, or internal lookup logic. Just confirm what was found or created.
- Empty search results are authoritative — if
zia_list_time_intervals(search="<name>")returns nothing for the exact name, treat it as "does not exist" and offer to create it. Do not fan out into broader searches. - Don't invent the schedule. Time-of-day fields (
start_time,end_time) anddays_of_weekmust come from the admin. If they didn't give a complete schedule, ask once for the missing fields. Don't guess "business hours = 9-5". - Don't translate clock-time to minutes silently in the explanation. Show the schedule back to the admin in human form (e.g. "08:00-17:00 Mon-Fri") and let the API call carry the minute conversion internally.
- Time Intervals are independent of any specific rule. This skill returns the interval ID and stops. Attaching the ID to a rule is the calling skill's job, not this one's.
Naming constraint (ZIA-imposed)
ZIA rejects Time Interval names that contain digits or special characters. Allowed characters are ASCII letters and spaces only.
- ✅ Valid:
Business Hours,After Hours,Weekday Mornings,Weekend All Day,Maintenance Window,Lunch Break - ❌ Invalid (will be rejected):
Mon-Fri 08:00-17:00,Q1 Maintenance,9-5 Window,Business Hours — Mon-Fri
The zia_create_time_interval tool validates this client-side and raises ValueError before the API call, so the agent fails fast. If the admin proposes a name with digits or punctuation, silently rename it to a letters-only equivalent (e.g. "8am to 5pm window" → Business Hours) and confirm the renamed value back to the admin in the final reply. Never quietly drop the schedule details — those go on the start_time / end_time / days_of_week fields, not on the name.
Overview
ZIA's mechanism for recurring time-of-day / day-of-week scheduling on a policy rule is the Time Interval object. Once created, a Time Interval is referenced by ID through the time_windows field on any ZIA rule type that supports scheduling. This skill is the find-or-create helper that other ZIA rule-creation skills call when the admin's request includes a schedule.
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 · 167 lines · 202 tokens per session scan A e176dae98812
zia-manage-time-interval is a skill published in the GitHub repository zscaler/zscaler-mcp-server (50 stars, last pushed 3d ago), licensed MIT. It adds 202 tokens to every session and 2,581 once invoked, about $0.0010 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.
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