MCP server for discovering and calling 400+ practical APIs through six compact tools, with free catalog search and pay-per-call x402 execution on Base.
A free public MCP server for Web3 data, providing live chain info, token prices, market data, wallet/token lookups, and travel search, with optional pay-per-call tools settled via x402.
MCP server providing free, IP-direct tools for web search, crawling, anti-detect browsing, and structured data from Wikipedia, Wikidata, GitHub, and YouTube.
MCP server for creating cryptographically signed and timestamped evidence of public web/API responses, with offline verification of attestations and paid access via x402.