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Stackin

io.github.stackin-io/stackin

Install Source code

About Stackin

Stackin is an MCP server published by the GitHub account stackin-io. Issue and manage Brazilian fiscal documents: NF-e for goods, NFS-e for services.

It is hosted by the publisher at one address, so there is nothing to install: your AI client connects to it over the internet.

It asks for no keys or passwords.

Version 1.0.0 was published on 9 September 2026, and the source code is public, so you can read it before installing.

Written from the registry entry. 7 automated checks on the registry entry and the live tool descriptions: 4 pass, 0 warn, 0 fail, 3 info. How we check.

What it asks for

This server declares no environment variables, so it asks for no keys or settings.

Checks

CheckResultDetail
Source repository linkedPasshttps://github.com/stackin-io/stackin-mcp-plugin
Remote uses HTTPSPassAll remote endpoints use https://
Secrets requestedInfoAsks for no secrets
Namespace ownershipInfoName verified via GitHub account stackin-io
Registry text aimed at the AIPassDescription and settings contain no hidden characters or instructions to the AI
Tool descriptions readInfoLists 16 tools: issue_invoice, consult_invoice, cancel_invoice, get_invoice_pdf, reissue_invoice, correct_invoice, invalidate_numbering, list_invoices, get_invoice_submissions, validate_invoice_payload, list_received_invoices, manifest_received_invoice, …
Hidden instructions in toolsPassRead every tool description and the server instructions: no hidden characters or instructions to the AI

Popularity & health: 48 / 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.

Popularity0 / 40

0 GitHub stars, no download count, no Hacker News posts found. Best two of the three, each on a log scale.

Activity21 / 25

Last push 2026-09-12, no GitHub release, 37 commits in 90 days.

Issue health8 / 15

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

Our checks20 / 20

0 warnings, each costing a fifth.

0 forks, 0 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 nameio.github.stackin-io/stackin
PublisherGitHub account stackin-io
How the name is verifiedName verified via GitHub account stackin-io. The registry ties the name prefix to that account or domain; it does not check the code.
TypeRemote: hosted at a URL, nothing to install
Remote endpointsstreamable-http https://mcp.stackin.io/mcp
Version1.0.0
Published
Last updated
Source repositoryhttps://github.com/stackin-io/stackin-mcp-plugin
Websitehttps://docs.stackin.io/mcp
CategoryFiles & documents (assigned by keyword rule, not by hand)

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