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A curated registry of Model Context Protocol servers, each with an automated security grade from our tool-surface scanner.
Run an MCP server? Paste its remote endpoint — we'll scan it (read-only) and publish a free, reproducible security grade. Genuine MCP servers get listed instantly.
Energy data from the U.S. Energy Information Administration: electricity, fuel prices, and renewables.
Estimate gas fees across Ethereum, Base, Polygon, Arbitrum, and BSC.
Spanish fiscal data: IAE↔CNAE 2025 conversion, AEAT modelos, IRPF/IVA modules, and RETA quota.
Crypto market data tools for prices, funding rates, DeFi yields, and technical analysis.
CalcFleet provides validated financial and practical calculators as deterministic tools for AI agents.