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NotaMCP

io.github.CssEoCAO/notamcpCssEoCAOstreamable-httpv1.0.0Scanned

Issue Brazilian service invoices (NFS-e Nacional) from your AI, with preview and confirmation.

10 tools: 3 can delete or cancel things and 7 change things.

Tools: 3 delete, 0 irreversible, 7 write, 0 read.
  • Reads private data · 0
  • Reads text others write · 2
  • Can send data out · 0
  • No findings

Anlyon alternative

10 of these tools change something. Run those as governed actions.

Declare what an action changes, and Anlyon puts it under a shared limit, binds every approval to the exact request, and grades the outcome. It works on any HTTPS API you can describe as an action.

Anlyon does not run, proxy or govern this MCP server. A tool your own code calls directly is not routed through Anlyon and is not governed by it.

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Tools

Grouped by what each tool does, most consequential first. Open one for its reasons and full description; descriptions are the publisher's own words.

10 tools

Deletes or cancels 3Claude Code: deny
  • cancelar_notaCancela uma NFS-e autorizada na SEFIN.Reads text others writeNo findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    • The server marks it destructive (destructiveHint: true).

    What it can reach

    • untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.
    Description, as the server wrote it
    Cancela uma NFS-e autorizada na SEFIN. Exige confirmar=true — peça confirmação explícita ao usuário antes. O crédito da emissão NÃO volta (a nota existiu); o cancelamento é grátis.

    Annotations the server declares

    • title: Cancelar uma nota
    • readOnlyHint: false
    • destructiveHint: true
    • idempotentHint: false
    • openWorldHint: true
  • confirmar_emissaoEmite DE VERDADE a nota da prévia.Reads text others writeNo findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    • The server marks it destructive (destructiveHint: true).

    What it can reach

    • untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.
    Description, as the server wrote it
    Emite DE VERDADE a nota da prévia. Chame apenas depois que o usuário aprovou a prévia nesta conversa. Idempotente: o mesmo token nunca emite duas vezes. Autorizada, devolve danfse_url (PDF) e xml_url — links para o usuário abrir, que você não consegue baixar.

    Annotations the server declares

    • title: Confirmar e emitir a NFS-e
    • readOnlyHint: false
    • destructiveHint: true
    • idempotentHint: false
    • openWorldHint: true
  • salvar_tomadorSalva/atualiza um tomador frequente (ex.: "salva a Shopee como tomador").No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    • The server marks it destructive (destructiveHint: true).
    Description, as the server wrote it
    Salva/atualiza um tomador frequente (ex.: "salva a Shopee como tomador").

    Annotations the server declares

    • title: Salvar tomador
    • readOnlyHint: false
    • destructiveHint: true
    • idempotentHint: false
    • openWorldHint: false
Changes things 7Claude Code: ask
  • comprar_creditosGera um link de pagamento (Pix/cartão) para adicionar créditos de notas.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Gera um link de pagamento (Pix/cartão) para adicionar créditos de notas. Entregue o link ao usuário — o pagamento acontece no navegador dele e as notas entram após a confirmação.

    Annotations the server declares

    • title: Adicionar créditos de notas
    • readOnlyHint: false
    • destructiveHint: false
    • idempotentHint: false
    • openWorldHint: false
  • consultar_notaSituação de uma nota desta conta (status, número, chave de acesso, erro).No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    • The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
    Description, as the server wrote it
    Situação de uma nota desta conta (status, número, chave de acesso, erro).

    Annotations the server declares

    • title: Consultar uma nota
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
  • emitir_notaPrepara uma NFS-e e devolve a PRÉVIA + confirmacao_token.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Prepara uma NFS-e e devolve a PRÉVIA + confirmacao_token. NÃO emite nada. Mostre a prévia ao usuário e chame confirmar_emissao só depois do OK explícito dele. Tomador: informe tomador_id (salvo) OU tomador_doc + tomador_razao.

    Annotations the server declares

    • title: Preparar emissão de NFS-e (prévia)
    • readOnlyHint: false
    • destructiveHint: false
    • idempotentHint: false
    • openWorldHint: false
  • listar_configuracoesÚltimas combinações realmente usadas de serviço, CNAE, NBS e tributação.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    • The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
    Description, as the server wrote it
    Últimas combinações realmente usadas de serviço, CNAE, NBS e tributação. Use configuracao_id em emitir_nota. Se houver ambiguidade, pergunte ao usuário — não escolha nem invente código fiscal.

    Annotations the server declares

    • title: Listar configurações fiscais recentes
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
  • listar_notasHistórico de notas da conta, com filtros opcionais.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    • The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
    Description, as the server wrote it
    Histórico de notas da conta, com filtros opcionais.

    Annotations the server declares

    • title: Listar notas
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
  • listar_tomadoresTomadores salvos desta conta (use o id em emitir_nota).No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    • The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
    Description, as the server wrote it
    Tomadores salvos desta conta (use o id em emitir_nota). Passe `busca` com o NOME que o usuário falou para achar o tomador sem precisar do CNPJ — ignora acento, caixa e pontuação. Se voltar mais de um, pergunte qual antes de emitir.

    Annotations the server declares

    • title: Listar tomadores salvos
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
  • saldoQuantidade de notas disponíveis, preço por nota, ambiente e teto diário.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    • The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
    Description, as the server wrote it
    Quantidade de notas disponíveis, preço por nota, ambiente e teto diário. O nome técnico saldo é mantido por compatibilidade.

    Annotations the server declares

    • title: Créditos de notas e limites
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false

This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.

Exfil surface

Which tools read private data, which read text someone else can write, and which can send data out. One of each is a path a prompt injection can use.

No private-data, untrusted-input, outbound path in this server alone: no tool is tagged private-data or outbound.

Reads private data0
Reads files, mail, messages, databases, secrets, calendars or repositories.
Reads text others write2
Brings in text someone else can write: web pages, inbound email, messages, issues and comments.
Can send data out0
Can carry data to people or systems: it sends, posts or publishes, or takes a recipient, channel or URL.

Other servers in the same agent add their own tools to these paths. Audit your whole setup to see them together.

Findings

Matches of fixed checks, with the text they matched.

No check matched anything in these tool definitions. That is not a safety guarantee.

History

Changes to its tool definitions and to its remote endpoint, newest first.

No change seen yet. Its tools are rescanned every day, and a remote endpoint is looked at once a week.

All changes to this server

Install

Pinned to version 1.0.0. Values in angle brackets are yours to fill in.

claude mcp add --transport http notamcp https://notamcp.com.br/mcp
claude mcp add --transport http notamcp https://notamcp.com.br/mcp

Run in a terminal.

Claude Code permissions

Allow the reads, ask before a change or a way out, deny the deletes. Paste into .claude/settings.json.

.claude/settings.json
{
  "permissions": {
    "allow": [],
    "ask": [
      "mcp__notamcp__emitir_nota",
      "mcp__notamcp__listar_configuracoes",
      "mcp__notamcp__consultar_nota",
      "mcp__notamcp__listar_notas",
      "mcp__notamcp__listar_tomadores",
      "mcp__notamcp__saldo",
      "mcp__notamcp__comprar_creditos"
    ],
    "deny": [
      "mcp__notamcp__confirmar_emissao",
      "mcp__notamcp__cancelar_nota",
      "mcp__notamcp__salvar_tomador"
    ]
  }
}

Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. A read that can send data out (it takes a URL, say) asks first too. It assumes the server is installed as notamcp. Review it before you use it.

Capability tags behind 2 rules
  • mcp__notamcp__confirmar_emissao untrusted-input
  • mcp__notamcp__cancelar_nota untrusted-input

Pin

Keep the decision: fail CI when the tools change, follow every change, or show a badge.

Pin in CI

Fail a build when the tools you reviewed are not the tools the server serves today.

curl -s "https://anlyon.dev/api/v1/servers/io.github.CssEoCAO/notamcp/verify?hash=4687cdf924135dedfeb6e69ed73fcaffe747c3c343ca1b630ccbda8c1ad481cc" | jq -e '.changed == false'

Pinned hash 4687cdf92413, from Oct 28, 2026, 13:17 UTC.

Watch

Get told when its tools change: a new tool, a new description, a new class.

https://anlyon.dev/servers/io.github.CssEoCAO/notamcp/changes.xml

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Badge

anlyon.dev badge for io.github.CssEoCAO/notamcp
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Source: MCP Registry. Synced Oct 28, 2026, 13:17 UTC.