"DOI" matching MCP servers:

Provides LLMs with access to the DoiT API for managing cloud resources, analyzing costs, and handling support tickets via natural language.

MCP server for the Brazilian Central Bank (BCB/SGS) public API, providing access to 18,000+ economic time series. Includes a curated catalog of 150+ popular indicators organized in 12 categories: interest rates (Selic), inflation (IPCA, IGP-M, INPC), exchange rates (USD, EUR), GDP, employment, credit, fiscal data, and more. Supports historical queries with date filters, latest values, metadata loo

MCP server providing U.S. college ROI data (30-year NPV, major ROI, best-value rankings, and out-of-state tuition penalty) by wrapping a free, keyless API.

Enables searching J-Quants API endpoints, retrieving detailed documentation, generating executable sample code, and answering FAQs via MCP clients like Claude Desktop.

将akshare、yfinance、wbgapi、arxiv等免费公开接口封装为4个标准MCP工具，使支持MCP的智能体无需第三方账号和云额度即可直接查询金融市场、宏观经济和学术论文数据。

Enables AI assistants to interact with Brazilian electronic invoices (NF-e, NFC-e, NFS-e) via Nuvem Fiscal API, including CNPJ lookup, invoice issuance, cancellation, and PDF generation.

The CSPR.trade MCP server provides AI Agents with 14 tools for interacting with the CSPR.trade decentralized exchange on the Casper Network.

Enables automated OCR and Thai tax invoice processing from PDFs and scanned images, including parsing key invoice fields, three-tier routing, SQLite storage, and human review workflows via MCP tools.

Connects your Banco do Brasil account to AI assistants via Open Finance Brasil, allowing natural language queries about balances, statements, credit card bills, and investments. Read-only, regulated by the Central Bank.

Enables querying of active debt information from the official source of the Attorney General of the State of Mato Grosso. Provides a read-only MCP tool to consult debt status via a hosted HTTP API with prepaid credits.

Enables modeling and synthesis of creator paid amplification ROI, spark ads performance, and whitelisted return on ad spend (ROAS) for influencer marketing campaigns. It provides deterministic, zero-dependency calculations through MCP for use by AI agents and automation workflows.

Connects a brokerage account to AI assistants, enabling portfolio queries, order management, and market data access through natural language.

ZPL stability engine — AIN bias & stability scoring across finance, gaming, AI/ML, security, and crypto. 68 tools across 11 categories. Math-based neutrality (Zenodo DOI). Free 5K tokens/mo, no card. Install: npx zpl-engine-mcp setup.

MCP server for consulting official Rio de Janeiro State Attorney General's active debt (Dívida Ativa) data via a hosted, read-only API with prepaid credits.

Enables querying official Brazilian Central Bank currency exchange rates and quotes through a read-only MCP tool, with pay-per-use prepaid credits.

Connects your Banco do Nordeste do Brasil account to AI assistants via Open Finance Brasil, enabling natural language queries for balances, statements, credit card bills, and investments. It is read-only and regulated by the Brazilian Central Bank.

Gives Alexa+ voice access to track household insurance claims, refunds, repairs, and disputes, and to chase them via disclosed AI phone calls while keeping money and legal decisions with the human.

Enables users to retrieve Bank of Israel public API data, including current representative exchange rates versus the Israeli Shekel and the policy interest rate, without an API key.

Enables AI-powered ROI prediction and tracking with Monte Carlo simulations, Dutch market validation, and multi-project comparison. Supports natural language input for financial projections, risk analysis, and industry benchmarking across sectors like finance, healthcare, retail, and manufacturing.

Consulta o valor de mercado de veículos brasileiros na tabela FIPE a partir da placa ou chassi, com ferramenta somente leitura. Funciona via MCP over HTTP em qualquer cliente compatível.