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 carofi-auto/agent-skills --skill paymobgit clone --depth 1 https://github.com/carofi-auto/agent-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/carofi-auto/agent-skills/paymob)<a href="https://agentmods.dev/skills/carofi-auto/agent-skills/paymob"><img src="https://agentmods.dev/badge/skills/carofi-auto/agent-skills/paymob/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/carofi-auto/agent-skills/paymob"><img src="https://agentmods.dev/badge/skills/carofi-auto/agent-skills/paymob.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 | $0.00112 | $0.00728 |
| Opus 5 | $0.00056 | $0.00364 |
| Sonnet 5 | $0.00022 | $0.00146 |
| Haiku 4.5 | $0.00011 | $0.00073 |
Grade A, and why
paymob 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 9d 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 — 50 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Paymob Integration
Attribution: This skill is built on top of the official Paymob LLM knowledge base published at paymob.com/llms.txt. All API knowledge, integration patterns, and flow documentation originate from Paymob's own documentation. Credit and thanks to the Paymob team for making their docs AI-agent-friendly.
Paymob is the dominant payment processor in the MENA region, operating in Egypt, Saudi Arabia, UAE, Kuwait, Oman, Bahrain, Jordan, and Pakistan.
When this skill activates
- User mentions "Paymob" or references Paymob credentials (
PAYMOB_SECRET_KEY,PAYMOB_PUBLIC_KEY,PAYMOB_INTEGRATION_ID) - User is building payment flows targeting Egypt, Saudi Arabia, UAE, Kuwait, Oman, Bahrain, Jordan, or Pakistan
- User asks about payment intentions, hosted checkout, embedded checkout, HMAC callbacks, or QuickLinks
- User's codebase contains Paymob API calls or SDK initialization
Non-negotiable rules
These rules apply to every Paymob integration regardless of what the user asks:
- HMAC validation is mandatory — never process a payment callback without first verifying the HMAC signature. A callback without valid HMAC must be rejected.
- Backend webhook = source of truth — the server-to-server webhook callback (after HMAC verification) is the only authoritative signal for payment status. Frontend redirects and SDK callbacks are UX signals only — never use them to confirm order fulfillment.
- Amount is always integer cents —
10000= 100.00 EGP. Never use floats or strings. - Integration IDs are environment-specific — test integration IDs only work with test credentials; live IDs only work with live credentials. Mixing them causes silent 404s.
- Secret key is server-side only — never include it in client-side code, browser bundles, or mobile app source. Exposure allows unauthorized charges on the merchant account.
Before writing any integration code
Read the relevant reference file for the task at hand:
What ships with it
5 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.
- 9d ago First seen · 50 lines · 112 tokens per session scan A ad0a904ef51e
paymob is a skill published in the GitHub repository carofi-auto/agent-skills (5 stars, last pushed 2mo ago), licensed MIT. It adds 112 tokens to every session and 728 once invoked, about $0.0006 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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