"Steam Deck" matching MCP servers:

Provides Steam concurrent player trends as JSON, offering monthly player time series, growth rates across 3M/6M/12M/5Y windows, and live most-played feeds via a single REST endpoint, without needing a Steam Web API key.

Enables buyer-side spend-routing preflights before larger paid agent tool calls, with bounded planning and public-data evidence.

A Model Context Protocol (MCP) server that exposes 23 free APIs (Steam, WHOIS, email, IP geolocation, currency, stocks, QR codes, and more) for use by AI assistants like Claude and Cursor.

MCP server for querying SEFAZ AL DEC Caixa Postal data from the official source, enabling reading and writing via one tool in any MCP-compatible client. It is hosted with prepaid per-use credits and requires no platform credentials.

A read-only MCP server skeleton for Korean stocks data, with tool stubs for stock quotes, orderbooks, and DART filings; all data tools currently return a NOT_IMPLEMENTED error.