Solana priority fee estimates at 6 levels (min to max). Essential for every Solana transaction. Pay-per-call via x402 (USDC on Base L2) -- no API key, no signup, no rate-limit wall.
Solana Fees X402 is an MCP project maintained in the br0ski777/solana-fees-x402 repository. The maintainer describes its purpose as “Solana priority fee estimates at 6 levels (min to max). Essential for every Solana transaction. Pay-per-call via x402 (USDC on Base L2) -- no API…”. Read the project documentation for the complete scope.
The maintainer’s configuration uses https://solana-fees.api.klymax402.com/mcp. Check the project’s account and authentication instructions when adding the endpoint to your client.
Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.
Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| fees | - object with 6 fee levels in microlamports per compute unit |
| min | - minimum fee observed (cheapest, may fail in congestion) |
| low | - 25th percentile fee (budget transactions) |
| medium | - 50th percentile fee (recommended default) |
| high | - 75th percentile fee (fast confirmation) |
| veryHigh | - 90th percentile fee (priority during congestion) |
| max | - maximum fee observed (guaranteed fast) |
| solana_get_priority_fees | |
| program | string |
{
"mcpServers": {
"solana-fees": {
"url": "https://solana-fees.api.klymax402.com/mcp"
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
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