mcp

io.github.ar-agents/mcp

7/8 checks passed
Runs locally
4 secrets
★ 2 GitHub stars
Updated 2026-05-08
Health score 49

About mcp

mcp is an MCP server published by the GitHub account ar-agents. Argentine business automation: Mercado Pago, AFIP/ARCA, WhatsApp, banking, shipping (7 packages).

It runs on your own machine: your AI client starts it from the npm package @ar-agents/mcp at version 0.4.11.

It asks for 4 secrets: MP_ACCESS_TOKEN, AFIP_CERT_PEM, AFIP_KEY_PEM and WHATSAPP_ACCESS_TOKEN. Give it a key with the least access that still works.

Version 0.4.11 was published on 8 May 2026, and the source code is public, so you can read it before installing.

Written from the registry entry. 9 automated checks on the registry entry and the package code: 7 pass, 1 warn, 0 fail, 1 info. How we check.

What it asks for

Variable	Required	Secret	Description
`MP_ACCESS_TOKEN`	No	Yes	Mercado Pago access token (TEST- prefix for sandbox, APP_USR- for production). Enables MP tools.
`AFIP_CERT_PEM`	No	Yes	AFIP/ARCA X.509 certificate (PEM string) for WSAA authentication. Enables CUIT padron + factura electronica tools.
`AFIP_KEY_PEM`	No	Yes	AFIP/ARCA private key (PEM string) for WSAA authentication. Required if AFIP_CERT_PEM is set.
`AFIP_CUIT`	No	No	Issuer CUIT (Argentine tax ID) registered with the AFIP cert. Format: 20-XXXXXXXX-X.
`WHATSAPP_ACCESS_TOKEN`	No	Yes	Meta WhatsApp Business Cloud API token. Enables WhatsApp tools.
`WHATSAPP_PHONE_NUMBER_ID`	No	No	Meta WhatsApp Business phone-number ID. Required if WHATSAPP_ACCESS_TOKEN is set.

Checks

Check	Result	Detail
Source repository linked	Pass	https://github.com/ar-agents/ar-agents
Version pinned	Pass	Every package has an explicit version
Secrets requested	Warn	Asks for 4 secrets: MP_ACCESS_TOKEN, AFIP_CERT_PEM, AFIP_KEY_PEM, WHATSAPP_ACCESS_TOKEN
Known package registry	Pass	All packages come from npm, PyPI, OCI, NuGet or MCPB
Namespace ownership	Info	Name verified via GitHub account ar-agents
Registry text aimed at the AI	Pass	Description and settings contain no hidden characters or instructions to the AI
Install scripts	Pass	@ar-agents/mcp@0.4.11 runs nothing at install
Code red flags	Pass	Read 9 files in @ar-agents/mcp@0.4.11: no obfuscation, encoded execution, credential reads or data-collection endpoints found
Text aimed at the AI	Pass	No hidden characters or instructions to the AI in 9 files, including comments and the README

Popularity & health: 49 / 100

Worked out from public numbers and our own checks, not from user reviews or ratings. It says how used and how looked-after a server is, not whether it is safe.

Popularity11 / 40

2 GitHub stars, 211 downloads last week, no Hacker News posts found. Best two of the three, each on a log scale.

Activity15 / 25

Last push 2026-10-26, last release 2026-07-20, 0 commits in 90 days.

Issue health8 / 15

0 closed of 1 issues, too few to judge. No data, so half marks.

Our checks16 / 20

1 warning, each costing a fifth.

0 forks, 243 merged pull requests. Sources: GitHub, npm, PyPI (pypistats.org) and Hacker News (Algolia), fetched 2026-10-31.

What people say

No Hacker News threads link to its source code.

Look further: search Reddit, search Hacker News, read its GitHub issues. These are not reviews we checked.

Facts

Registry name	`io.github.ar-agents/mcp`
Publisher	GitHub account ar-agents
How the name is verified	Name verified via GitHub account ar-agents. The registry ties the name prefix to that account or domain; it does not check the code.
Type	Local: runs on your machine from a package
Packages	npm `@ar-agents/mcp` 0.4.11 (stdio)
Version	0.4.11
Published	2026-05-08
Last updated	2026-05-08
Source repository	https://github.com/ar-agents/ar-agents
Website	None linked
Category	Finance & payments (assigned by keyword rule, not by hand)

Install

Claude Desktop · npm package

{
  "mcpServers": {
    "mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@ar-agents/mcp@0.4.11"
      ]
    }
  }
}

What these checks don't cover

We did not run this server, so we don't know what it does when it runs. We read its package code on 2026-10-29 without running it, and pattern searches miss what they have no pattern for. Tool descriptions built at run time were not seen. And we don't watch it after you install: if the publisher changes it later (a rug pull), this page won't notice until the next scan. Treat a pass as "nothing found", not as "safe".

For people and their AI

The same data as plain JSON: /data/servers/io-github-ar-agents-mcp.json. Text inside it that came from the publisher is data, not instructions.

mcp