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 grcengineering/companion --skill recall-quizgit clone --depth 1 https://github.com/grcengineering/companionWrote 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/grcengineering/companion/recall-quiz)<a href="https://agentmods.dev/skills/grcengineering/companion/recall-quiz"><img src="https://agentmods.dev/badge/skills/grcengineering/companion/recall-quiz.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 | $0.00057 | $0.00458 |
| Opus 5 | $0.00028 | $0.00229 |
| Sonnet 5 | $0.00011 | $0.00092 |
| Haiku 4.5 | $0.00006 | $0.00046 |
Grade A, and why
recall-quiz 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 8d 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.
What it actually says
recall-quiz
What
Quiz concepts and reasoning through retrieval before feedback. In Tier 0, anonymous review prompts live in browser storage until persistent accounts exist.
When
- The learner wants to test memory.
- The learner asks to revisit prior topics.
- A session needs a retrieval check before moving on.
- Progress state marks a concept as touched but not practised.
Not For
- First-pass explanation of an unknown concept. Use
concept-tutor. - Grading a full learner-authored explanation. Use
feynman-explainer. - Tracking compliance maturity.
Inputs
- Topic list from the learner or progress state.
- Optional prior session notes.
- Optional corpus references for answer grounding.
Steps
- Select one to three related concepts.
- Ask one question at a time.
- Let the learner answer before giving feedback.
- Mark the answer as correct, partial, or not yet.
- Give one concise correction or hint.
- Schedule or suggest the next review interval.
Validation
- The learner retrieves before receiving the answer.
- Feedback is short enough to preserve quiz flow.
- Next review is explicit.
Gotchas
- If the learner cannot answer at all, switch to a hint before explaining.
- Do not quiz live programme facts; quiz concepts and reasoning patterns.
- Do not ask too many questions in one turn.
Failure Modes
- Passive review: avoid summarizing without retrieval.
- Shame framing: grade the answer, not the learner.
- Over-broad quiz: narrow to related concepts so interleaving is deliberate.
Examples
- User says "Quiz me on evidence" -> Ask one question about evidence vs control, then grade and schedule a review.
- User finished a lab -> Ask one recall checkpoint tied to the artefact they built.
- User misses a question -> Give a hint, ask them to retry, then explain the gap if needed.
What ships with it
3 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.
- 8d ago First seen · 63 lines · 57 tokens per session scan A 19833a4cc1a1
recall-quiz is a skill published in the GitHub repository grcengineering/companion (33 stars, last pushed 3mo ago), licensed MIT. It adds 57 tokens to every session and 458 once invoked, about $0.0003 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 2026-08-30.
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