"NFC" matching MCP servers:

Model Context Protocol (MCP) server for Brazilian Electronic Invoicing (NF-e / NFC-e, modelo 55/65, schema 4.00). Provides CPF/CNPJ validation tools, with NF-e/NFC-e generation and SEFAZ integration planned.

MCP server exposing a Lightning wallet to LLM agents over Nostr Wallet Connect (NIP-47): balance, invoices, LN address/LNURL payments, batch pay, and keysend. All spend tools are wrapped in a defense-in-depth safety stack — budget caps, allowlist, two-step confirmation, audit log.

Enables read-only consultation of electronic service invoices (NFS-e) from São Paulo city hall via an official source, using a single tool and pay-per-use credits.

Enables querying issued electronic service invoices (NFS-e) from the Brazilian Federal Revenue via natural language, providing read-only access to official invoice data.

Enables querying official electronic service invoices (NFS-e) from the Cuiabá city government in Brazil, providing read-only access to official data.

Enables issuing, consulting, and listing Brazilian NFS-e invoices through Spedy's API over an authenticated HTTP endpoint.