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Focus NFe (BYOK) icon

Focus NFe (BYOK)

Read your Focus NFe Brazilian fiscal invoice status, received invoices, companies and tax reference tables (NCM, CFOP, CNAE, CEP, municipalities) with your own token

Unify Dynamics LLC

Tools11read-only
Sign-inBYOKbring your own key
Key keptNeverused for one call only
PriceFreeoptional Pro limits
ProviderFocus NFeunofficial, not affiliated
Works withMCP · RESTany agent

Try asking

Real questions, and the tools your agent calls to answer them.

Which companies and document types are set up on my Focus NFe account?
Tools called
list_companies
Was NF-e reference pedido-1042 authorized by SEFAZ?
Tools called
get_nfe
Was service invoice reference servico-77 issued?
Tools called
get_nfse
Which invoices were issued against my company and are still pending manifestation?
Tools called
list_received_nfes
Which Focus NFe webhook triggers do I have?
Tools called
list_webhooks
Is CNPJ 12345678000123 active, and is it a Simples Nacional taxpayer?
Tools called
lookup_cnpj

About

Focus NFe (BYOK) lets an AI assistant read your own Focus NFe data through the Focus NFe API with a key you supply (Focus NFe production token (company or main account token)). Read-only: 11 tools (list_companies, get_nfe, get_nfse, list_received_nfes, list_webhooks, lookup_cnpj, search_ncm_codes, search_cfop_codes, search_cnae_codes, search_postal_codes, list_municipalities). The BYOK key travels with each request, is used for that one call only and is never stored, logged or cached; it is only ever sent to api.focusnfe.com.br. Unofficial connector by Unify Dynamics LLC: not affiliated with, endorsed by or sponsored by Focus NFe. Focus NFe and its logos are trademarks of their owners and are used only to say which service the connector works with.

Sources: Live from the Focus NFe API (api.focusnfe.com.br) with a BYOK key; documentation: https://doc.focusnfe.com.br/reference/introducao. Endpoints checked against that documentation on 2026-10-16.

Privacy

The publisher, Unify Dynamics LLC, states that tool inputs are processed in memory and not retained.

Data not collectedNo account, no profile, no stored prompts or results.

What it can do

11 tools, grouped by job. Every one is read-only or compute-only.

OpenAPI
Read your data11 tools
  • List companiesList the companies registered on your Focus NFe account: id, legal and trade name, CNPJ, tax regime, location, enabled document types and…
  • Get nfeGet the processing status of an NF-e you issued, by your reference: status, SEFAZ status code and message, access key, number, series and paths to…
  • Get nfseGet the status of a service invoice (NFS-e) you issued, by your reference: status, number, verification code, issue date and links to the note and…
  • List received nfesList the NF-e invoices issued against a company (received invoices) with emitter, total value, issue date, status and the recipient manifestation.
  • List webhooksList the webhook triggers registered for your token: id, event type and company (the delivery URL and its authorization secret are left out).
  • Lookup cnpjLook up a Brazilian company registration by CNPJ: legal name, registration status, main CNAE, Simples Nacional and MEI flags and address.
  • Search ncm codesSearch NCM product classification codes by code prefix, description or chapter.
  • Search cfop codesSearch CFOP fiscal operation codes by code prefix or description.
  • Search cnae codesSearch CNAE economic activity codes by code or description, with their section, division, group and class.
  • Search postal codesSearch Brazilian CEP postal codes by IBGE city code, state, street name or locality.
  • List municipalitiesList Brazilian municipalities with their IBGE code, state and NFS-e support: provider, requirements and status.

Information

PublisherUnify Dynamics LLC
CategoryMoney & business
LanguagesEnglish
Built forWorldwide
CompatibilityAny MCP client · any agent · REST
Version0.1.0
MCP endpointhttps://byok-focusnfe.connectorbay.com/mcp
REST APIopenapi.json
SupportGet help · Status
CountryWorldwide
FunctionOther
LayerDeep connectors

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Get Focus NFe (BYOK)

Free · BYOK · Read-only

BYOK: bring your own keyThis connector uses your own Focus NFe Focus NFe production token (company or main account token). Create one at https://doc.focusnfe.com.br/reference/autenticacao, with the fewest permissions it needs (read-only if the provider offers it). Your assistant sends it in the X-Upstream-Key header with every request. It is used for that one call only: never stored, logged or cached, and only ever sent to Focus NFe. Revoke it at the provider whenever you like. Unofficial connector: not affiliated with Focus NFe.