Fresh discovery feed
Newly added to AgentStack, ordered by when we first recorded them. This does not claim that each project was newly released upstream.
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APIs.guru MCP — keyless directory of 2,500+ public APIs and their OpenAPI specs.
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Amtrak MCP — live Amtrak train tracking via the community Amtraker API
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Alpaca MCP — real-time US stock market data via the Alpaca Market Data API
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EPA AirNow MCP — official US real-time AQI + forecast (free key)
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Advice MCP — wraps Advice Slip API (free, no auth)
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Abgeordnetenwatch MCP — German federal & state parliament data.
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Peru vehicle auction catalog and AVT market valuations for VMC Subastas