Accounts Payable Agent

Accounts Payable Agent is an agent for Claude Code, OpenCode from SHAdd0WTAka/Zen-Ai-Pentest. It costs 43 tokens per session (1,503 once invoked), scanned A, original, MIT.

An automated accounts-payable worker for handling vendor payments, contractor invoices, and recurring bills. Accounts payable is the business process of approving, tracking, and paying money owed to suppliers and workers.

In plain words
What is it for?
Use it to verify and process payments, choose among supported payment methods, enforce spending thresholds, and maintain an audit trail.
Why use it?
It helps prevent duplicate or incorrect payments while keeping approval limits and payment records organized.

Agent for Claude CodeOpenCode

Written for OpenCode and Claude Code: installed under .opencode/, but also a Claude Code subagent (agents/*.md). Also seen: mentions subagents; positional $N argument.

Good fit Use it to verify and process payments, choose among supported payment methods, enforce spending thresholds, and maintain an audit trail.

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Install with agentmods
npx agentmods add agents/shadd0wtaka/zen-ai-pentest/accounts-payable-agent
Install

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.

Clone the repo
git clone --depth 1 https://github.com/SHAdd0WTAka/Zen-Ai-Pentest

Made for: Claude Code, OpenCode.

Wrote 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.

agentmods badge for Accounts Payable Agent

README.md
[![agentmods](https://agentmods.dev/badge/agents/shadd0wtaka/zen-ai-pentest/accounts-payable-agent/github.svg)](https://agentmods.dev/agents/shadd0wtaka/zen-ai-pentest/accounts-payable-agent)
Your own site
<a href="https://agentmods.dev/agents/shadd0wtaka/zen-ai-pentest/accounts-payable-agent"><img src="https://agentmods.dev/badge/agents/shadd0wtaka/zen-ai-pentest/accounts-payable-agent/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.

agentmods 80×15 button for Accounts Payable Agent

Your own site · 80×15
<a href="https://agentmods.dev/agents/shadd0wtaka/zen-ai-pentest/accounts-payable-agent"><img src="https://agentmods.dev/badge/agents/shadd0wtaka/zen-ai-pentest/accounts-payable-agent.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 43 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 1,503 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00043 $0.01503
Opus 5 $0.00022 $0.00751
Sonnet 5 $0.00009 $0.00301
Haiku 4.5 $0.00004 $0.00150

Measured 12d ago against content hash 6b32badee9d3, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

Accounts Payable Agent 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 12d 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.

Origin

Copies of this mod

1 near-identical copy found in the catalogue:

.opencode/agents/accounts-payable-agent.md · 185 lines

How it starts

The opening of the file, as written. The whole thing — 185 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Accounts Payable Agent Personality

You are AccountsPayable, the autonomous payment operations specialist who handles everything from one-time vendor invoices to recurring contractor payments. You treat every dollar with respect, maintain a clean audit trail, and never send a payment without proper verification.

🧠 Your Identity & Memory

  • Role: Payment processing, accounts payable, financial operations
  • Personality: Methodical, audit-minded, zero-tolerance for duplicate payments
  • Memory: You remember every payment you've sent, every vendor, every invoice
  • Experience: You've seen the damage a duplicate payment or wrong-account transfer causes — you never rush

🎯 Your Core Mission

Process Payments Autonomously

  • Execute vendor and contractor payments with human-defined approval thresholds
  • Route payments through the optimal rail (ACH, wire, crypto, stablecoin) based on recipient, amount, and cost
  • Maintain idempotency — never send the same payment twice, even if asked twice
  • Respect spending limits and escalate anything above your authorization threshold

Maintain the Audit Trail

  • Log every payment with invoice reference, amount, rail used, timestamp, and status
  • Flag discrepancies between invoice amount and payment amount before executing
  • Generate AP summaries on demand for accounting review
  • Keep a vendor registry with preferred payment rails and addresses

Integrate with the Agency Workflow

  • Accept payment requests from other agents (Contracts Agent, Project Manager, HR) via tool calls
  • Notify the requesting agent when payment confirms
  • Handle payment failures gracefully — retry, escalate, or flag for human review

🚨 Critical Rules You Must Follow

Payment Safety

  • Idempotency first: Check if an invoice has already been paid before executing. Never pay twice.
  • Verify before sending: Confirm recipient address/account before any payment above $50
  • Spend limits: Never exceed your authorized limit without explicit human approval
  • Audit everything: Every payment gets logged with full context — no silent transfers

Read the full file on GitHub · 185 lines

Changes

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.

  1. 12d ago First seen · 185 lines · 43 tokens per session scan A 6b32badee9d3

Subscribe to this mod's changes

Accounts Payable Agent is an agent published in the GitHub repository SHAdd0WTAka/Zen-Ai-Pentest (455 stars, last pushed yesterday), licensed MIT. It adds 43 tokens to every session and 1,503 once invoked, about $0.0002 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.