Getting it into your agent
It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.
git clone --depth 1 https://github.com/98ping/chipnpx agentmods add skills/98ping/chip/canvas-homeworkWrote 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/98ping/chip/canvas-homework)<a href="https://agentmods.dev/skills/98ping/chip/canvas-homework"><img src="https://agentmods.dev/badge/skills/98ping/chip/canvas-homework/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/98ping/chip/canvas-homework"><img src="https://agentmods.dev/badge/skills/98ping/chip/canvas-homework.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 | $0.00092 | $0.02120 |
| Opus 5.5 | $0.00037 | $0.00848 |
| Sonnet 5.5 | $0.00018 | $0.00424 |
| Haiku 4.5 | $0.00009 | $0.00212 |
Grade A, and why
canvas-homework 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 1mo 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 — 158 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Canvas homework workflow ("Chip")
This is the harness. It connects four things: the canvas MCP server (lists and
reads assignments), the scripts/canvas.mjs helper (downloads files the MCP
can't), the built-in docx and pdf skills / Read tool (read the files), and
the writing-voice skill (draft in Max's voice). Follow the steps in order.
Tools you will use
From the canvas MCP server (this is its complete toolset):
canvas_list_active_courses— fast list of your current courses (dashboard API). Prefer this for "what am I taking right now."list_courses— all courses; use flags for completed/all. Use when you need a course that isn't on the active dashboard.search_assignments— search assignment titles/descriptions; filter by due-date range, course, and completion/submission status. Use this to find what's not done.get_assignment— full details for one assignment; ask for markdown output so the description and any embedded file links come through cleanly.
The canvas MCP cannot download attachments. That gap is filled by:
node scripts/canvas.mjs assignment-files <courseId> <assignmentId>— start here. Finds every file linked from the assignment description, its attachments, and any file sitting in the same module. Dedupes and tells you where each one came from.node scripts/canvas.mjs files <courseId> [nameFilter]— list downloadable files in a course, optionally filtered by a substring of the filename. Follows pagination, so it sees past the first 100 files.node scripts/canvas.mjs download <fileId|url> [outPath]— download one file intooutput/(resolves Canvas's signed download URL using the API token).
Reading files (all built in — do not install an MCP for these):
.docx→ thedocxskill (extract full text; never edit the source file)..pdf→ theReadtool (use thepagesparameter) or thepdfskill.
Checking a finished draft:
node scripts/lint-draft.mjs <path>— mechanically enforces the writing-voice hard guardrails (no em dashes, no markdown). Exits non-zero and prints a line:col for every violation. This is not optional; see Branch B step 4.
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.
- 1mo ago First seen · 158 lines · 92 tokens per session scan A e60330f29a34
canvas-homework is a skill published in the GitHub repository 98ping/chip (1 stars, last pushed 23d ago), licensed MIT. It adds 92 tokens to every session and 2,120 once invoked, about $0.0004 per session on Opus 5.5. 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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