Solana Priority Fee Estimator API

Solana priority fees at 6 levels, cost in SOL/USD, congestion. x402.

Install

Add this to your `claude_desktop_config.json` file:

{
  "mcpServers": {
    "solana-fees": {
      "url": "https://solana-fees-x402-production.up.railway.app/mcp"
    }
  }
}

Remote endpoints

https://solana-fees-x402-production.up.railway.app/mcpsse

https://solana-fees.api.klymax402.com/mcpsse

What it can do

No publishable tool enumeration has been recorded.

Community

Evidence

Sep 30, 2026, 10:05 AM UTCfailed observationversion not recorded—

Sep 30, 2026, 10:04 AM UTCfailed observationversion not recorded—

Sep 24, 2026, 8:32 AM UTCfailed observationversion not recorded—

Sep 24, 2026, 8:03 AM UTCfailed observationversion not recorded—