Side-by-side comparison of two Model Context Protocol servers — install paths, tools, quality signals, and directory engagement so you can pick the right one for Claude, Cursor, and other MCP clients.
Fundraising infrastructure for AI agents on Solana — campaigns, x402 donations, and on-chain reputation. MCP tools for registering agents, creating campaigns, and donating via the x402 pay-to-call flow, backed by Anchor programs (agentregistry, escrow, reputation). npx -y @agentfund/mcp
Official MCP server for EU VAT validation via the EU Commission's VIES service + offline VAT rates for 45 European countries. Five tools: validatevatnumber (live VIES with company name, address, registration date, and optional consultation number for audit), getcountryvatrates, listeuvatrates, checkvatformat, listsupportedcountries. Four of five tools work offline without an API key (data bundled via eu-vat-rates-data). Open source MIT, every release signed with npm provenance via GitHub Actions OIDC. Install: npx -y vatnode-mcp.