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 instructions/jamditis/mooc-starter-kit/claude-mdgit clone --depth 1 https://github.com/jamditis/mooc-starter-kitWrote 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/instructions/jamditis/mooc-starter-kit/claude-md)<a href="https://agentmods.dev/instructions/jamditis/mooc-starter-kit/claude-md"><img src="https://agentmods.dev/badge/instructions/jamditis/mooc-starter-kit/claude-md.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 | $0.00787 | $0.00787 |
| Opus 5 | $0.00394 | $0.00394 |
| Sonnet 5 | $0.00157 | $0.00157 |
| Haiku 4.5 | $0.00079 | $0.00079 |
Grade C, and why
mooc-starter-kit CLAUDE.md scanned grade C with 1 finding 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 3d 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.
Hidden instructionshighPrompt injection
Directives inside HTML comments, invisible characters or bidirectional overrides are read by the model and not by the person reviewing the file.
<!-- This is your CLAUDE.md — the project-level context file Claude Code reads every time you start a session in this folder. Think of it as the standing brief you'd hand a freelancer who's filling in on your beat for th The source is not reproduced here
No licence file
A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.
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.
- 3d ago First seen · 99 lines · 787 tokens per session scan C 16779dcef06c
mooc-starter-kit CLAUDE.md is an instructions file published in the GitHub repository jamditis/mooc-starter-kit (10 stars, last pushed 2mo ago), with no licence file. It adds 787 tokens to every session, about $0.0039 per session on Opus 5. A static security scan graded it C with 1 finding (hidden instructions). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
Other instructions, from other repositories
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Gemini CLI instructions for mikezio/agent-drop: When this repo is configured as an MCP server in a CLI agent.
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gemini-cli-hud GEMINI.md
Instructions for yideng-xl/gemini-cli-hud, covering gemini cli hud, what it shows, how it works and notes.