"A quantitative trading system" matching MCP servers:

Enables AI clients to access Chinese and global trademark data, including search, announcements, classification, review documents, transfer records, and applicant risk clues through the Quandashi platform.

Provides access to EPA's Air Quality System API with 31 tools for querying air quality data, monitoring sites, and pollution measurements across the United States through natural language.

Provides current weather alerts for specified locations to AI assistants through the Model Context Protocol.

Enables AI agents to access Brazilian statistical, geographic, and economic data in real-time via IBGE public APIs.

Provides access to Vietnam stock market data including real-time quotes, historical prices, company financials, trading statistics, mutual fund information, and exchange rates through the vnstock library.

Enables access to Australian real estate data through the Realty In Au API, supporting property listings, agent/agency information, property details, school lookups, and property search with various filters.

Enables AI assistants to search and retrieve peer-reviewed academic articles exclusively from Springer Nature's open access collection. It provides a specialized mode for research-driven conversations, allowing users to toggle scholarly-only search and fetch full article content.

Read-only access to the AI Visibility Index: the measured share of answer that 20 SaaS and 24 crypto brands hold across ChatGPT, Perplexity and Gemini, re-measured weekly on a frozen prompt panel with every past release kept at a permanent URL. Five tools — full index, one brand, brand list, complete history, methodology — served from dabyte.ai and dablock.ai with no API key and no auth; the data

MCP server for querying the Central Bank of Brazil's 'Valores a Receber' (amounts to receive) service, providing read-only access to official data through natural language with a hosted server and prepaid credits.

Read-only MCP server for querying official Brazilian government data on agreements (convênios) from Portal da Transparência, with pay-per-use pricing and no platform credentials required.

Read-only MCP server that queries official Brazilian tax registration data from Receita Federal's Acréscimos Legais (SAL) system, paid per-use with prepaid credits.

This MCP server enables querying the professional registration of engineers and agronomists in Brazil's CONFEA/CREA system using CPF and national registration number, with a single read-only tool.

Enables querying Argentina's national time-series data from apis.datos.gob.ar through natural language, as part of the Pipeworx MCP gateway.

MCP server for analyzing Canadian federal spending data, offering tools for contract search, NLP, semantic search, anomaly detection, and money-flow tracing.

Enables searching and retrieving California state grant opportunities, including filters by status, category, and agency, without requiring an API key.

Provides KOSPI/KOSDAQ stock data including ticker lookup, OHLCV, market capitalization, fundamentals, and trading volume by investor type.

Enables querying SEC EDGAR for Form 4 insider trades, 8-K material events, and Schedule 13D/G ownership filings for US-listed companies, with ticker, company name, or CIK lookup.

Enables natural-language lookup of official Salvador (BA) electronic service tax invoice data, read-only, with pay-per-use prepaid credits.

Enables searching and analyzing Australian Commonwealth grant opportunities and awarded grants from grants.gov.au, including recipient lookups and coverage checks.

Enables searching and querying Pennsylvania Open Data datasets via the Socrata API, including dataset search, SoQL queries, and metadata retrieval.