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 chrischall/schoolpass-mcp --skill schoolpassgit clone --depth 1 https://github.com/chrischall/schoolpass-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/chrischall/schoolpass-mcp/schoolpass)<a href="https://agentmods.dev/skills/chrischall/schoolpass-mcp/schoolpass"><img src="https://agentmods.dev/badge/skills/chrischall/schoolpass-mcp/schoolpass.svg" alt="Measured on agentmods" 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 | $0.00088 | $0.01679 |
| Opus 5 | $0.00044 | $0.00839 |
| Sonnet 5 | $0.00018 | $0.00336 |
| Haiku 4.5 | $0.00009 | $0.00168 |
Grade A, and why
schoolpass 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 2d 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 — 126 lines — stays where its author put it; the contents beside it link to each section on GitHub.
schoolpass-mcp
MCP server for the SchoolPass REST API used by the SchoolPass web and mobile apps — a parent's students, arrival/dismissal calendar, pending pickup changes, authorized drivers, dismissal locations, and school info, using the user's own parent account.
Parent-scoped: read tools plus a confirm-gated dismissal-change write.
Setup
Add to .mcp.json in your project or ~/.claude/mcp.json:
{
"mcpServers": {
"schoolpass": {
"command": "npx",
"args": ["-y", "schoolpass-mcp"],
"env": {
"SCHOOLPASS_EMAIL": "[email protected]",
"SCHOOLPASS_PASSWORD": "your-password",
"SCHOOLPASS_SCHOOL_CODE": "1183"
}
}
}
}
SCHOOLPASS_SCHOOL_CODE is the numeric school id (the AppCode / appCode
value the app uses; e.g. 1183 for Scholars Academy). Set SCHOOLPASS_API_HOST
too if your school is on a different regional shard than the default
busapi-east16-ss.school-pass.net.
First call
Start with schoolpass_healthcheck — it reports whether the API host is
reachable and, separately, whether the credentials log in, so a network problem
reads differently from a wrong password or school code. Then schoolpass_whoami
confirms the parent identity, and schoolpass_list_students gives you the
student ids the calendar and pickup-change tools need.
If a login is rejected, STOP. SchoolPass fronts its login with reCAPTCHA; repeated failures can get the account challenged. Tell the user to check the email/password/school-code — never retry with a guess.
Tools
| Tool | Notes |
|---|---|
schoolpass_healthcheck |
Reachability + auth, separated. No secrets in the output. Start here when a tool says it is not configured. |
schoolpass_whoami |
The parent identity the server signed in as (member id, user type, name). |
schoolpass_list_students(view?) |
The parent's linked students — name, grade, home dismissal location, aftercare. Gives the student_id other tools need. |
schoolpass_get_profile(view?) |
The parent account profile. |
schoolpass_list_drivers(view?) |
Authorized pickup drivers, with their carpools. |
schoolpass_get_calendar(student_id, start_date?, end_date?, view?) |
A student's arrival/dismissal calendar over a range (defaults today → 14 days out). |
schoolpass_list_pickup_changes(student_id, date?, view?) |
Pickup/dismissal changes for a student on a date (defaults today). |
schoolpass_list_dismissal_locations(view?) |
The school's dismissal locations (car line, bus, aftercare, walkers…) with ids. |
schoolpass_get_school_info(view?) |
Basic school info and per-school config. |
schoolpass_submit_dismissal_change(student_id, date, change_type, …, confirm) |
Submit a dismissal/arrival change (absent, early dismissal, late arrival, move to carpool/bus/location). CONFIRM-GATED: without confirm:true returns a dry-run preview and makes no change; with confirm:true submits and re-reads the calendar to prove it landed. |
schoolpass_cancel_dismissal_change(student_id, date, confirm) |
Cancel a change for a date, returning it to default. CONFIRM-GATED with a preview. |
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.
- 2d ago Changed · +45 lines 24c66564374d
- 7d ago First seen · 81 lines · 88 tokens per session scan A d9179196ebf9
schoolpass is a skill published in the GitHub repository chrischall/schoolpass-mcp (0 stars, last pushed today), licensed MIT. It adds 88 tokens to every session and 1,679 once invoked, about $0.0004 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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