"Ayuda para mejorar el diseño de aplicaciones en Flutter" matching MCP servers:

Model Context Protocol (MCP) server for German Electronic Invoicing (ZUGFeRD 2.x / XRechnung 3.x). Provides tools to validate, generate, parse, and convert invoices compliant with EN 16931 and KoSIT.

Enables querying DETRAN MG vehicle licensing fees and issuing DAE payment slips from the official source, using natural language through any MCP-compatible client.

An MCP server that provides read-only access to Brazilian Federal Revenue (Receita Federal) data to issue installment payment guides for MEI (Microempreendedor Individual) from official sources.

Read-only MCP server to query ANTT SIFAMA second-issue boletos from the official source. Hosted service with prepaid pay-per-use credits, works with any MCP client.

MCP server that enables users to query and download SABESP (São Paulo state water utility) bills and account data from official sources, with read-only access and pay-per-use pricing.

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 consulting and issuing IPVA guides for Bahia state (Brazil) directly from the official SEFAZ BA source, with a read-only tool.

Reads and validates any European e-invoice a business receives — XRechnung, UBL, CII, ZUGFeRD/Factur-X PDF, Peppol BIS 3, FatturaPA, KSeF FA(3) — into canonical EN 16931 JSON with plain-language fix hints in EN/DE/PL/IT/FR, plus PDF, CSV and DATEV export. Nothing is stored; works without a key on a small daily quota.

Model Context Protocol (MCP) server for Mexican Electronic Invoicing (CFDI 4.0, Complemento de Pagos 2.0). Provide tools to validate, generate, and explore API specifications for SAT/PAC interoperability.

MCP server that gives AI agents paid tools to de-risk costly actions: dependency vetting, x402 endpoint verification, JSON repair, and URL reading. Fronts the Guard HTTP API at guard.fabtally.com.

Enables AI agents to manage compliant e-invoicing (Factur-X, EN 16931) by creating, issuing, sending, and tracking invoices, quotes, and retainers through natural language via the Model Context Protocol.

Generates compiled Flutter apps from JSON Product Requirements Documents. Exposes endpoints for PRD validation, schema, payment terms, and build status.

Enables AI agents to perform medical-billing tasks like prior authorization checks, claim denial decoding, unpaid claim triage, appeal assessments, and PHI de-identification using deterministic rules engines with per-call payments via the x402 protocol.

Enables agents to create, validate, and convert legally valid e-invoices in formats like EN 16931, Factur-X/ZUGFeRD, XRechnung, UBL 2.1, and Peppol BIS.

Lets any AI agent send Sweden B2B/B2G electronic invoices (e-faktura) over the Peppol network in Peppol BIS 3.0 / EN 16931 format via Storecove, a certified Peppol Access Point.

Exposes French electronic invoicing as a local stdio MCP server, letting an AI client create EN 16931-compliant Factur-X invoices with guaranteed legal numbering, client and organization management, and invoice history. It can also submit a generated invoice to a French e-invoicing platform (PDP) after explicit confirmation.

Conecta sua conta BTGPactual a assistentes de IA via Open Finance Brasil, permitindo consultas de saldos, extratos, faturas de cartão e investimentos em linguagem natural (somente leitura).

Conecta sua conta do Sicoob ao Claude, ChatGPT e agentes de IA via Open Finance Brasil, permitindo consultar saldos, extratos, faturas de cartão e investimentos em linguagem natural.

Emita e gerencie notas fiscais de serviço (NFS-e) conversando com o agente, hospedado pela plataforma, sem precisar de conta na nfe.io.