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 aashari/ai-agent-skills --skill calendar-eventgit clone --depth 1 https://github.com/aashari/ai-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/aashari/ai-agent-skills/calendar-event)<a href="https://agentmods.dev/skills/aashari/ai-agent-skills/calendar-event"><img src="https://agentmods.dev/badge/skills/aashari/ai-agent-skills/calendar-event/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/aashari/ai-agent-skills/calendar-event"><img src="https://agentmods.dev/badge/skills/aashari/ai-agent-skills/calendar-event.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 | $0.00035 | $0.01025 |
| Opus 5 | $0.00017 | $0.00513 |
| Sonnet 5 | $0.00007 | $0.00205 |
| Haiku 4.5 | $0.00003 | $0.00103 |
Grade A, and why
calendar-event 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 — 145 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Calendar Event — Full Event Details
Fetch complete details for a specific event: attendees, description, video link, location, recurrence.
Arguments
$ARGUMENTS:
- Event ROWID:
"1234" - Title search:
"weekly sync","standup","1:1 with Alex"
Steps
1. Find the event
DB="$HOME/Library/Group Containers/group.com.apple.calendar/Calendar.sqlitedb"
ARGS="$ARGUMENTS"
# Try as ROWID first, then fall back to title search
if echo "$ARGS" | grep -qE '^[0-9]+$'; then
WHERE="ci.ROWID = $ARGS"
else
WHERE="ci.summary LIKE '%${ARGS}%'"
fi
sqlite3 -separator '|' "$DB" "
SELECT
ci.ROWID,
ci.summary,
COALESCE(
datetime(oc.occurrence_start_date + 978307200, 'unixepoch', 'localtime'),
datetime(oc.occurrence_date + 978307200, 'unixepoch', 'localtime')
) as start_local,
datetime(oc.occurrence_end_date + 978307200, 'unixepoch', 'localtime') as end_local,
ci.all_day,
ci.start_tz,
COALESCE(l.title, '') as location,
COALESCE(l.address, '') as address,
COALESCE(ci.conference_url, '') as conf_url,
COALESCE(ci.url, '') as url,
ci.has_attendees,
ci.has_recurrences,
ci.status,
ci.invitation_status,
c.title as calendar,
s.name as account,
ci.description
FROM CalendarItem ci
LEFT JOIN OccurrenceCache oc ON oc.event_id = ci.ROWID
LEFT JOIN Calendar c ON ci.calendar_id = c.ROWID
LEFT JOIN Store s ON c.store_id = s.ROWID
LEFT JOIN Location l ON ci.location_id = l.ROWID
WHERE $WHERE
AND ci.hidden = 0
AND ci.status != 2
AND s.type != 5
GROUP BY ci.ROWID
ORDER BY COALESCE(oc.occurrence_date, ci.start_date) DESC
LIMIT 1;
"
2. Fetch attendees (if has_attendees = 1)
DB="$HOME/Library/Group Containers/group.com.apple.calendar/Calendar.sqlitedb"
EVENT_ID="$EVENT_ROWID"
sqlite3 -separator '|' "$DB" "
SELECT
CASE entity_type WHEN 8 THEN 'organizer' ELSE 'attendee' END as role,
email,
CASE status
WHEN 0 THEN 'needs-action'
WHEN 1 THEN 'accepted'
WHEN 2 THEN 'declined'
WHEN 3 THEN 'tentative'
END as status,
CASE role WHEN 2 THEN 'optional' ELSE 'required' END as attendance
FROM Participant
WHERE owner_id = $EVENT_ID
ORDER BY entity_type DESC, status;
"
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 · 145 lines · 35 tokens per session scan A 569bd9401166
calendar-event is a skill published in the GitHub repository aashari/ai-agent-skills (5 stars, last pushed 6mo ago), licensed MIT. It adds 35 tokens to every session and 1,025 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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