MCP Nfe Br runs on your own machine — the client starts it, so there is no endpoint to ping. 147 installs a week from pypi. Last commit 12 Sep 2026.
MCP server for Brazilian e-invoicing: NF-e and NFC-e (modelo 55/65), schema 4.00, SEFAZ.
Today is the operative word: we check MCP Nfe Br every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add mcp-nfe-br -- uvx mcp-nfe-br
{
"mcpServers": {
"mcp-nfe-br": {
"command": "uvx",
"args": [
"mcp-nfe-br"
]
}
}
}
[mcp_servers.mcp-nfe-br]
command = "uvx"
args = ["mcp-nfe-br"]
{
"mcpServers": {
"mcp-nfe-br": {
"command": "uvx",
"args": [
"mcp-nfe-br"
]
}
}
}
{
"servers": {
"mcp-nfe-br": {
"type": "stdio",
"command": "uvx",
"args": [
"mcp-nfe-br"
]
}
}
}
Optional settings from the registry entry, left out of the block above:
BR_READ_ONLY (Master switch. Set to '1' to disable all write-side tools across NF-e, NFC-e, NFS-e, AND CT-e (br__submit_nfe, br__distribute_dfe, br__submit_nfse, br__cancel_nfse, br__submit_cte, br__cancel_cte, br__correct_cte). Read-only mode for safe exploration. Setting only this variable is sufficient to disable all CT-e writes too — BR_CTE_READ_ONLY is an additional, independent gate, not a required second step), BR_CTE_READ_ONLY (Set to '1' to disable the three CT-e write-side tools (br__submit_cte, br__cancel_cte, br__correct_cte). Independent of BR_READ_ONLY — either variable being set to '1' is sufficient to block CT-e writes; use this one to gate CT-e alone while leaving NF-e/NFS-e writes enabled), LOG_LEVEL (Logging level: DEBUG, INFO (default), WARNING, or ERROR).
Brazilian fiscal MCP server - issue NF-e, NFC-e, NFS-e, CT-e, MDF-e and DC-e via SEFAZ.
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Answers built from our own checks of this server.