Pay-per-call MCP tools and signed on-chain attestations: 20 free/day, then x402 or a spend key.
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One server, in developer tools & repos. Pay-per-call MCP tools and signed on-chain attestations: 20 free/day, then x402 or a spend key.
Developer Tools & Repos
1
server published
1 category
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across every listing
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1 MCP server. 1 of 1 is free to start.
Authentication
0 of 1 use OAuth
The rest either hold an API key issued by the publisher or ask for nothing.
Support
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Listed without a verification tick. Read the listing before installing.