mppx

mppx is a skill for Claude Code from internet-court/internet-court-skill. It costs 45 tokens per session (1,085 once invoked), scanned A, original, no licence file.

A TypeScript software kit for handling the Payment HTTP Authentication Scheme, where a server can request payment before providing a response.

In plain words
What is it for?
Use it to add payment flows to client or server applications, including integrations with Tempo, Stripe, and other payment methods.
Why use it?
It removes the need to build payment-required flows and payment-method handling from scratch when connecting clients and servers.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the internet-court plugin — 94 skills shipped together

Good fit Use it to add payment flows to client or server applications, including integrations with Tempo, Stripe, and other payment methods.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/internet-court/internet-court-skill/mppx
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.

Any agent
npx skills add internet-court/internet-court-skill --skill mppx
Clone the repo
git clone --depth 1 https://github.com/internet-court/internet-court-skill

Made for: Claude Code.

Or install internet-court, the plugin that ships this one along with the rest of its 94 skills.

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 mppx

README.md
[![agentmods](https://agentmods.dev/badge/skills/internet-court/internet-court-skill/mppx/github.svg)](https://agentmods.dev/skills/internet-court/internet-court-skill/mppx)
Your own site
<a href="https://agentmods.dev/skills/internet-court/internet-court-skill/mppx"><img src="https://agentmods.dev/badge/skills/internet-court/internet-court-skill/mppx/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 mppx

Your own site · 80×15
<a href="https://agentmods.dev/skills/internet-court/internet-court-skill/mppx"><img src="https://agentmods.dev/badge/skills/internet-court/internet-court-skill/mppx.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 45 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,085 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. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 5 findings, up to medium

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • medium Data Exfiltration · line 46
    Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.
    Fix: Verify the destination URL is trusted and necessary. Remove or replace with documented APIs. Ensure no secrets, tokens, or PII are transmitted.
  • medium Data Exfiltration · line 57
    Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.
    Fix: Verify the destination URL is trusted and necessary. Remove or replace with documented APIs. Ensure no secrets, tokens, or PII are transmitted.
  • medium MCP Rug Pull · line 115
    npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.
    Fix: Pin the version: npx @scope/[email protected]
  • medium MCP Rug Pull · line 116
    npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.
    Fix: Pin the version: npx @scope/[email protected]
  • medium MCP Rug Pull · line 117
    npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.
    Fix: Pin the version: npx @scope/[email protected]
How audits are shown
Origin unknown 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 $0.00045 $0.01085
Opus 5 $0.00023 $0.00543
Sonnet 5 $0.00009 $0.00217
Haiku 4.5 $0.00005 $0.00109

Measured 8d ago against content hash 566502e60fd0, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

mppx 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 8d 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.

vendored/tempo/mppx/SKILL.md · 128 lines

The source is not reproduced here

A licence we could not identify

The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.

Read it on GitHub

Files

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.

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. 8d ago First seen · 128 lines · 45 tokens per session scan A 566502e60fd0

Subscribe to this mod's changes

mppx is a skill published in the GitHub repository internet-court/internet-court-skill (5,588 stars, last pushed 23d ago), with no licence file. It adds 45 tokens to every session and 1,085 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 2026-09-03.

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