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 awesome-town/canvas-mcp-skills --skill post-lesson-pagegit clone --depth 1 https://github.com/awesome-town/canvas-mcp-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/awesome-town/canvas-mcp-skills/post-lesson-page)<a href="https://agentmods.dev/skills/awesome-town/canvas-mcp-skills/post-lesson-page"><img src="https://agentmods.dev/badge/skills/awesome-town/canvas-mcp-skills/post-lesson-page/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/awesome-town/canvas-mcp-skills/post-lesson-page"><img src="https://agentmods.dev/badge/skills/awesome-town/canvas-mcp-skills/post-lesson-page.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 | $0.00135 | $0.03486 |
| Opus 5 | $0.00068 | $0.01743 |
| Sonnet 5 | $0.00027 | $0.00697 |
| Haiku 4.5 | $0.00014 | $0.00349 |
Grade A, and why
post-lesson-page 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 — 218 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Post Lesson Page
Materialize a lesson on Canvas as a draft page using the school's lesson template. The teacher either brings lesson content already worked out (often via plan-lesson first) or just describes the lesson in chat — this skill renders it through the template, previews each slot, and creates the draft.
This skill never publishes pages. Every page lands in Canvas as a draft (
published: false). The teacher reviews the draft in Canvas and clicks Publish themselves when ready. This is a hard policy — don't try to flip the published flag, and don't describe what the skill does as "publishing."
When to use
A teacher has a lesson ready to put on Canvas as a draft page. Common phrasings:
-
"Post a lesson on the water cycle for DSGN 9"
-
"Create a Canvas page for tomorrow's class about prototyping"
-
"Draft a lesson page — Week 3 of FSV 117, intro to user testing"
-
"I need a lesson page on parallel circuits"
-
"Take the UbD plan we just worked out and post it" (handoff from
plan-lesson)
When NOT to use
-
The teacher wants to think through the lesson pedagogically before deciding what to teach (Stage 1 objectives, evidence, learning activities) — that's
plan-lesson(UbD framework). They can hand off here when ready to post. -
Multi-class units / modules. That's
plan-module. -
Assessments / quizzes / projects. That's
plan-assessment. -
Just editing existing content. Use
edit_page_contentdirectly via the canvas-mcp tools, or see "Updating an existing lesson" below.
Prerequisites
-
canvas-mcp v0.3.16 or later installed and configured (needs
title_formatonlist_page_templates). -
A school config with a
lessonpage template (Franklin: bundled by default; other schools: setSCHOOL_CONFIGto point at your own).
Workflow
1. Confirm the basics
Handoff case: If the teacher arrived here from plan-lesson, the UbD brief already has the title, course, objectives, essential question, and intended activities. Confirm the course briefly and skip the rest of step 1 — proceed to step 2.
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 · 218 lines · 135 tokens per session scan A d3c568ed377d
post-lesson-page is a skill published in the GitHub repository awesome-town/canvas-mcp-skills (1 stars, last pushed 9d ago), licensed MIT. It adds 135 tokens to every session and 3,486 once invoked, about $0.0007 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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