Otto AI hosted MCP: 16 pay-per-call market-intelligence tools, USDC via x402 on Base, no API keys.
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One server, in research. Otto AI hosted MCP: 16 pay-per-call market-intelligence tools, USDC via x402 on Base, no API keys.
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1 MCP server. 1 of 1 is free to start.
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0 of 1 use OAuth
The rest either hold an API key issued by the publisher or ask for nothing.
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