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/waynesutton/markdown-site/robel-authnpx skills add waynesutton/markdown-site --skill robel-authgit clone --depth 1 https://github.com/waynesutton/markdown-siteWrote 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/waynesutton/markdown-site/robel-auth)<a href="https://agentmods.dev/skills/waynesutton/markdown-site/robel-auth"><img src="https://agentmods.dev/badge/skills/waynesutton/markdown-site/robel-auth.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 | $0.00052 | $0.04519 |
| Opus 5 | $0.00026 | $0.02259 |
| Sonnet 5 | $0.00010 | $0.00904 |
| Haiku 4.5 | $0.00005 | $0.00452 |
Grade A, and why
robel-auth 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 4d 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 — 464 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Robel auth skill
Use this skill when a user asks to implement, update, or debug auth based on robelest/convex-auth.
This skill is designed to be copied into other repos.
Non negotiable upstream check before any auth change
Run this every time before proposing code or commands.
Preferred command:
bash .cursor/skills/robel-auth/scripts/check-upstream.sh
Manual checklist if script is unavailable:
- Read official docs:
https://auth.estifanos.com/getting-started/installation/ - Read latest
mainREADME:https://raw.githubusercontent.com/robelest/convex-auth/main/README.md - Read latest
releaseREADME:https://raw.githubusercontent.com/robelest/convex-auth/release/README.md - Check branch level differences:
https://github.com/robelest/convex-auth/compare/release...main - Read current self hosting docs if portal or static hosting is involved:
https://raw.githubusercontent.com/get-convex/self-hosting/main/INTEGRATION.mdhttps://github.com/get-convex/self-hosting
If main and release conflict, prefer the branch requested by the user. If unspecified, use release for stability and explain that choice.
Important assumptions for this skill
- Treat the official docs site (
auth.estifanos.com) and GitHub as sources of truth every time. - Do not assume npm package availability.
- Validate package availability at execution time.
- If npm is unavailable, use a GitHub source install pinned to a branch or commit.
- Keep all Convex code type safe and validator complete.
Published package reality check (critical)
The docs site (auth.estifanos.com) and main branch sometimes describe APIs ahead of the latest preview release on npm. Before writing imports, always inspect what the installed version actually exports:
ls node_modules/@robelest/convex-auth/dist/providers/
cat node_modules/@robelest/convex-auth/dist/providers/index.js
cat node_modules/@robelest/convex-auth/dist/component/index.d.ts
As of 0.0.4-preview.30
What ships with it
1 file 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.
- 4d ago First seen · 464 lines · 52 tokens per session scan A a35e3e4ed1b2
robel-auth is a skill published in the GitHub repository waynesutton/markdown-site (630 stars, last pushed 3mo ago), licensed MIT. It adds 52 tokens to every session and 4,519 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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