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.
Validate EU electronic invoices (Peppol BIS, XRechnung, Factur-X/ZUGFeRD, UBL, CII) and explain rejection codes for AI agents. 3 tools: validateeinvoice, listformats, explainerrorcode. Install with npx -y eleata-einvoice-mcp.
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