FiscalHub MCP by usefulapi MCP Server

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answering

FiscalHub MCP by usefulapi is answering right now. Last checked 6 min ago. It exposes 9 tools. Last commit 12 Nov 2026.

Read NF-e XML and NCM tax data, simulate totals, issue and cancel NF-e and NFC-e in FiscalHub.

Uptime history 29 hours of history

29 hours agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

264 ms

Response time

average over 24h

Stars

last commit 12 Nov 2026

What changed 1

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 11 November 2026. No other catalogue keeps this.

11 Nov a tool changed version

Nothing serious here today

Today is the operative word: we check FiscalHub MCP by usefulapi every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 6 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add fiscalhub --transport http https://fiscalhub.usefulapi.io/mcp

Settings → Connectors → Add custom connector, then paste this address

https://fiscalhub.usefulapi.io/mcp

~/.codex/config.toml

[mcp_servers.fiscalhub]
url = "https://fiscalhub.usefulapi.io/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "fiscalhub": {
      "url": "https://fiscalhub.usefulapi.io/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "fiscalhub": {
      "type": "http",
      "url": "https://fiscalhub.usefulapi.io/mcp"
    }
  }
}

Available tools 9

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

fiscalhub

fiscalhub_cancel_nfce

DESTRUCTIVE: cancels an authorized NFC-e by its access key, with a required justification. The tax authority records the cancellation and it cannot be undone. FiscalHub: POST /api/v1/nfce/{chave}/cancelar.

fiscalhub_cancel_nfe

DESTRUCTIVE: cancels an authorized NF-e by its access key, with a required justification. The tax authority records the cancellation and it cannot be undone. FiscalHub: POST /api/v1/nfe/{chave}/cancelar.

fiscalhub_emit_nfce

DESTRUCTIVE: issues a consumer NFC-e (model 65) and sends it to the SEFAZ for authorization. It has the same fields as an NF-e; the API applies model 65. The company's environment (homologation or production) is set in FiscalHub. FiscalHub: POST /api/v1/nfce/emitir.

fiscalhub_emit_nfe

DESTRUCTIVE: issues an NF-e (model 55) and sends it to the SEFAZ for authorization. A production company issues a legal document that the customer must cancel if it is wrong. Whether it is homologation or production depends on the company's setting in FiscalHub. FiscalHub: POST /api/v1/nfe/emitir.

fiscalhub_get_ncm

Get the tax data of one exact NCM product code: description, IPI rate, CEST and unit of measure. FiscalHub: GET /api/v1/ncm/{codigo}.

fiscalhub_get_nfe_xml

Get the authorized NF-e XML (nfe-proc: NF-e plus protocol) for an access key, fetched from the SEFAZ. Use it to recover an XML that was not stored locally. FiscalHub: GET /api/v1/nfe/{chave}/xml.

fiscalhub_list_received_nfe

List NF-es and events issued against a company's CNPJ, fetched from the SEFAZ (Distribuicao DFe), in NSU order. Pass the returned ultNsu next time to get only new documents. Each document has its schema (resNFe, nfeProc or procEventoNFe). FiscalHub: GET /api/v1/nfe/distribuicao.

fiscalhub_search_ncm

Search NCM product codes by a partial code or a description term. Use it to find the NCM for a product before issuing a document. FiscalHub: GET /api/v1/ncm/buscar?q=.

fiscalhub_simulate_nfe_totals

Simulate the tax totals of an NF-e (ICMS, IPI, PIS, COFINS, DIFAL, IBS, CBS and the invoice total) before issuing it. Nothing is issued or stored. FiscalHub: POST /api/v1/tributario/simular-nfe.

Endpoints

URL	Transport	State	Latency	Checked
https://fiscalhub.usefulapi.io/mcp	streamable-http	answering	209 ms	6 min ago

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FiscalHub MCP by usefulapi — questions

Answers built from our own checks of this server.

What can FiscalHub MCP by usefulapi do?

It exposes 9 tools, read directly from the server on our last check. Among them: fiscalhub_cancel_nfce, fiscalhub_cancel_nfe, fiscalhub_emit_nfce, fiscalhub_emit_nfe, fiscalhub_get_ncm, fiscalhub_get_nfe_xml and 3 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is FiscalHub MCP by usefulapi working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 264 ms. The bar chart above shows every period we have measured.

How do I connect FiscalHub MCP by usefulapi?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does FiscalHub MCP by usefulapi need an API key?

No. FiscalHub MCP by usefulapi completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 9 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is FiscalHub MCP by usefulapi?

It answers our handshake in 264 ms on average, which is faster than 53% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is FiscalHub MCP by usefulapi open source?

The code is open source: it is published under the MIT licence, written in JavaScript, 1 stars on GitHub and 1 open issue. The licence covers the code in the repository, not the hosted service at fiscalhub.usefulapi.io, which runs on its operator's own terms.