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 Babatunde-Fatai/ai-agent-skills-library --skill paystack-integrationgit clone --depth 1 https://github.com/Babatunde-Fatai/ai-agent-skills-libraryWrote 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/babatunde-fatai/ai-agent-skills-library/paystack-integration)<a href="https://agentmods.dev/skills/babatunde-fatai/ai-agent-skills-library/paystack-integration"><img src="https://agentmods.dev/badge/skills/babatunde-fatai/ai-agent-skills-library/paystack-integration/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/babatunde-fatai/ai-agent-skills-library/paystack-integration"><img src="https://agentmods.dev/badge/skills/babatunde-fatai/ai-agent-skills-library/paystack-integration.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 | $0.00090 | $0.04087 |
| Opus 5.5 | $0.00036 | $0.01635 |
| Sonnet 5.5 | $0.00018 | $0.00817 |
| Haiku 4.5 | $0.00009 | $0.00409 |
Grade A, and why
paystack-integration 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 2mo 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 — 548 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Paystack Integration
Paystack is Africa's leading payment gateway, primarily serving Nigeria, Ghana, Kenya, and South Africa. This skill covers complete payment integration patterns.
Table of Contents (all contained in .references/)
- Agent Execution Spec ⚠️ READ FIRST
- Quick Reference
- Payment Flow Overview
- Core Implementation
- Webhook Essentials
- Framework Guides
- Deployment Checklist
- Quick Troubleshooting
File Selection Decision Tree (quick)
- If implementing frontend popup/redirect → read references/one-time-payments.md
- If implementing backend verification → read references/express-implementation.md
- If implementing webhooks → read references/webhooks.md
- If implementing subscriptions or charge authorization → read references/subscriptions.md
- If unsure about responsibilities or safety → read references/AGENT_EXECUTION_SPEC.md first
- Need framework-specific examples → read references/nextjs-implementation.md or references/express-implementation.md
⚠️ For Coding Agents: Start Here
Before reading any examples or framework guides, you MUST read:
This file defines the payment safety contract and execution order that must be followed to prevent fraud and incorrect implementations.
Condensed Payment Safety Rules (summary — see execution spec for full invariants):
- Call Paystack
initializeTransactionFIRST, then store the returned reference in DB. - Always convert and store amounts in smallest currency unit (kobo/pesewa/cents) and compare those values.
- Never trust client-side success callbacks; always verify on backend using the reference.
- Webhook handlers must verify
x-paystack-signatureusing the raw request body before parsing. - Verify that the verified amount exactly matches the expected DB amount before fulfilling.
- Ensure idempotency: if order.status == 'paid', exit immediately.
What ships with it
10 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.
- .DS_Store 6.0 KB
- README.md 4.3 KB
- references/AGENT_EXECUTION_SPEC.md 6.0 KB
- references/express-implementation.md 19 KB
- references/implementation-patterns.md 2.8 KB
- references/nextjs-implementation.md 22 KB
- references/one-time-payments.md 19 KB
- references/subscriptions.md 21 KB
- references/troubleshooting.md 16 KB
- references/webhooks.md 17 KB
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.
- 2mo ago First seen · 548 lines · 90 tokens per session scan A 5c17bb0a046e
paystack-integration is a skill published in the GitHub repository Babatunde-Fatai/ai-agent-skills-library (10 stars, last pushed 7mo ago), licensed MIT. It adds 90 tokens to every session and 4,087 once invoked, about $0.0004 per session on Opus 5.5. 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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