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 Canvas-LMS-MCP/canvas-teacher-mcp --skill assignment-page-buildergit clone --depth 1 https://github.com/Canvas-LMS-MCP/canvas-teacher-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/canvas-lms-mcp/canvas-teacher-mcp/assignment-page-builder)<a href="https://agentmods.dev/skills/canvas-lms-mcp/canvas-teacher-mcp/assignment-page-builder"><img src="https://agentmods.dev/badge/skills/canvas-lms-mcp/canvas-teacher-mcp/assignment-page-builder/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/canvas-lms-mcp/canvas-teacher-mcp/assignment-page-builder"><img src="https://agentmods.dev/badge/skills/canvas-lms-mcp/canvas-teacher-mcp/assignment-page-builder.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 | $0.00123 | $0.04152 |
| Opus 5 | $0.00062 | $0.02076 |
| Sonnet 5 | $0.00025 | $0.00830 |
| Haiku 4.5 | $0.00012 | $0.00415 |
Grade A, and why
assignment-page-builder 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 12d 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 — 198 lines — stays where its author put it; the contents beside it link to each section on GitHub.
assignment-page-builder — GLOBAL page-building methodology
System map (START HERE):
CourseGlobalWorkflow/README.md— the 3 layers (local conductor / global builder / policy+config), per-type conductors, and the assignment-creation workflow. This skill is the AUTHORING METHOD (how to write page content + finalize order); it does not re-describe the architecture.
The pairing of:
- CODE (machinery):
$CANVAS_LMS_ROOT/.claude/code/canvas_core/assignment_page_builder.py— the SKELETON. Universal: make the instruction gdoc in place, clean-view embeds, rich-format HTML helpers, slide embed (single or list), Canvas push (canvas_rest),make_page()orchestrator (returnsout["html"]). No type-specifics. - BUILDERS (content): turn an
asmtdict intodoc_blocks+canvas_summary_htmland callskel.make_page(...). git / program →git_page.py· NB / notebook →nb_page.py(both GLOBAL + config-driven — readcourse_config.load(<course>), NO per-course code). Per-course plugins remain only for not-yet-migrated types: CSCI-19Ajshell_lab.py(JShell lab — no global equivalent exists). The git/Java plugingh_assignment.pywas absorbed intogit_page.pyand deleted 2026-07-31; its seven course-locked features (signature,what_to_complete,io_block/io_lines/io_table,input_spec,concept,guide_steps, 3-levelRUBRIC_LEVELS) are global now.- flowchart lab (draw.io PNG submission) needs NO dedicated builder. It has no special page items
(no autograder test-table / restrictions / commit rubric / repo link), so a plugin would add nothing.
Author
doc_blocks+canvas_summary_htmlwith the skeleton helpers (section/rich_ul/rich_ol/callout/slide_embed) and callskel.make_pagedirectly — the generic page path. Only add a builder if flowchart pages later grow a genuinely shared special section.
- flowchart lab (draw.io PNG submission) needs NO dedicated builder. It has no special page items
(no autograder test-table / restrictions / commit rubric / repo link), so a plugin would add nothing.
Author
- THIS SKILL (how): the authoring method + finalize order every builder follows.
- POLICY (separate): grading split,
published:false, dates →CourseGlobalWorkflow/only (referenced, never copied here).
What ships with it
2 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.
- 12d ago First seen · 198 lines · 123 tokens per session scan A fe7b5d7b30f4
assignment-page-builder is a skill published in the GitHub repository Canvas-LMS-MCP/canvas-teacher-mcp (1 stars, last pushed 27d ago), licensed MIT. It adds 123 tokens to every session and 4,152 once invoked, about $0.0006 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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