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agentcore-payments-mcp

agentcore-payments-mcp is an MCP server for Claude Code, Codex, Cursor, Gemini CLI, OpenCode from nirholas/three.ws. Its token cost is not measured, scanned A, original, Apache-2.0.

A local service for governed x402 payments, where online endpoints can request payment. It applies budgets, approved-service lists, and per-transaction limits without requiring a private key.

In plain words
What is it for?
Use it to create payment sessions, allow only approved endpoints, set an overall budget, and cap each transaction.
Why use it?
It helps an agent pay for services while keeping spending within explicit rules and limits.

MCP server for Claude CodeCodexCursorGemini CLIOpenCode

One of 45 entries in server.json — they are configured in one file and arrive together.

not rated 110 today A scan tokens not measured original Apache-2.0
View the source file nirholas/three.ws
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.

agentmods
npx agentmods add mcp/nirholas/three.ws/agentcore-payments-mcp
Clone the repo
git clone --depth 1 https://github.com/nirholas/three.ws

Made for: Claude Code, Codex, Cursor, Gemini CLI, 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 agentcore-payments-mcp

README.md
[![agentmods](https://agentmods.dev/badge/mcp/nirholas/three.ws/agentcore-payments-mcp.svg)](https://agentmods.dev/mcp/nirholas/three.ws/agentcore-payments-mcp)
Your own site
<a href="https://agentmods.dev/mcp/nirholas/three.ws/agentcore-payments-mcp"><img src="https://agentmods.dev/badge/mcp/nirholas/three.ws/agentcore-payments-mcp.svg" alt="Measured on agentmods" height="20"></a>
Per session not measured What this adds to a session before it is invoked.
When invoked not measured Not applicable: nothing here is loaded into a session.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Security

Grade A, and why

agentcore-payments-mcp 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.

mcp-bridge/server.json · 15 lines

What it actually says

{
  "agentcore-payments-mcp": {
    "command": "npx",
    "args": [
      "-y",
      "@three-ws/agentcore-payments-mcp"
    ],
    "env": {
      "THREE_WS_SESSION": "",
      "PAYMENT_SESSION_TOKEN": "",
      "THREE_WS_BASE": "https://three.ws",
      "THREE_WS_TIMEOUT_MS": "30000"
    }
  }
}
Same file

What else server.json configures

This page is one entry in a file that holds 45. Installing the file brings all of them; each is measured and scanned on its own page.

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. 4d ago First seen · 15 lines scan A f13ab4a48007

Subscribe to this mod's changes

agentcore-payments-mcp is an MCP server published in the GitHub repository nirholas/three.ws (110 stars, last pushed today), licensed Apache-2.0. Its token cost is not measured: an MCP server costs its tool schemas, not its config file. 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.

3dFinance and fintechai-agentanimationavatarblockchaincharacter-studio
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