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 agentmods add skills/skillmedev/course-creator-launch-system/lesson-plan-buildernpx skills add SkillMedev/course-creator-launch-system --skill lesson-plan-buildergit clone --depth 1 https://github.com/SkillMedev/course-creator-launch-systemWrote 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/skillmedev/course-creator-launch-system/lesson-plan-builder)<a href="https://agentmods.dev/skills/skillmedev/course-creator-launch-system/lesson-plan-builder"><img src="https://agentmods.dev/badge/skills/skillmedev/course-creator-launch-system/lesson-plan-builder.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 | $0.00141 | $0.01548 |
| Opus 5 | $0.00071 | $0.00774 |
| Sonnet 5 | $0.00028 | $0.00310 |
| Haiku 4.5 | $0.00014 | $0.00155 |
Grade A, and why
Lesson Plan 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 5d 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 — 104 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Lesson Plan Builder
A strong lesson plan is a contract between the teacher and the learners: here is where we start, here is what we will do, here is how we will know we arrived. The costly failure this skill prevents is the lecture-heavy plan - the teacher talks for 30 minutes, practice gets squeezed into the last 5, and the first evidence of confusion arrives on the graded test, when it is too late to act.
Operating procedure
Work the steps in order: the objective must exist before the exit task, and the exit task before the activities, because activities chosen first will smuggle in their own objectives.
Step 1: Gather inputs
Collect before drafting. Where the user cannot answer, use the default and label the assumption a guess.
- Subject and topic (required).
- Grade or level (required - it sets vocabulary and pacing).
- Class length in minutes (default: 50).
- What students already know - the prior lesson or prerequisite skill (default: ask; if unavailable, state the assumed prerequisite as a guess).
- Standards to align, if any (default: none, omit the alignment row).
- Constraints: available materials, tech, class size, known student needs.
Step 2: Write the objective first
Use the form: Students will be able to [observable verb] [specific content] [condition or standard]. Bloom's verbs sharpen the cognitive level: identify, compare, construct, evaluate. Reject vague verbs - "understand" and "appreciate" cannot be observed. One primary objective per lesson; secondary objectives are optional and labeled as secondary.
Step 3: Design the exit task before any activity
Backward design: write the summative check or exit task now, mirroring the objective wording. If the objective says "compare two characters using textual evidence," the exit task asks students to compare two characters using textual evidence - not to list character traits.
Step 4: Build the four-part arc with a time budget
For a 50-minute class (scale proportionally for other lengths):
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.
- 5d ago First seen · 104 lines · 141 tokens per session scan A 00570e8780fc
Lesson Plan Builder is a skill published in the GitHub repository SkillMedev/course-creator-launch-system (1 stars, last pushed 2mo ago), licensed MIT. It adds 141 tokens to every session and 1,548 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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