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Side-by-side comparison of two Model Context Protocol servers. Pick the right one for Claude Desktop, Claude Code, or Cursor.
Discovers and queries x402-payable APIs at runtime — enables autonomous agents to find, evaluate, and pay for services via USDC micropayments on Base without AP
Reference / test server with prompts, resources, and tools.
| Feature | X402 Discovery | Everything |
|---|---|---|
| Pricing | Free | Free |
| Installs | — | — |
| Rating | — | — |
| Verified | — | |
| Hosted | Hosted | — |
| Tools | — | — |
| Category | development | development |
| Author | rplryan | Community |
| Repo | rplryan/ouroboros | modelcontextprotocol/servers |
Discovers and queries x402-payable APIs at runtime — enables autonomous agents to find, evaluate, and pay for services via USDC micropayments on Base without API keys or subscriptions.
Reference / test server with prompts, resources, and tools.
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