mcpbeat

Solana Priority Fee Estimator API MCP Server

io.github.Br0ski777/solana-fees
answering

Solana Priority Fee Estimator API is answering right now. Last checked 10 min ago. It exposes 1 tools. Last commit 18 Jul 2026.

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

Uptime history 39 hours of history
39 hours agonow
100.0%
Uptime 24h
91 of 91 checks
1
Tools
read from the server
34 ms
Response time
average over 24h
0
Stars
last commit 18 Jul 2026

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 10 min ago.

run in your terminal
claude mcp add solana-fees --transport http https://solana-fees.api.klymax402.com/mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "solana-fees": {
      "url": "https://solana-fees.api.klymax402.com/mcp"
    }
  }
}
~/.codex/config.toml
[mcp_servers.solana-fees]
url = "https://solana-fees.api.klymax402.com/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "solana-fees": {
      "url": "https://solana-fees.api.klymax402.com/mcp"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "solana-fees": {
      "url": "https://solana-fees.api.klymax402.com/mcp"
    }
  }
}

Available tools 1

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

solana
solana_get_priority_fees
Use this when you need priority fee estimates before sending a Solana transaction. Returns recommended compute unit prices at 6 levels based on recent network activity. 1. fees: object with 6 fee levels in microlamports per compute unit 2. min: minimum fee observed (cheapest, may fail in congestion) 3. low: 25th percentile fee (budget transactions) 4. medium: 50th percentile fee (recommended default) 5. high: 75th percentile fee (fast confirmation) 6. veryHigh: 90th percentile fee (priority during congestion) 7. max: maximum fee observed (guaranteed fast) Example output: {"fees":{"min":1,"low":100,"medium":1000,"high":5000,"veryHigh":50000,"max":500000},"slot":285432100,"program":"global","updatedAt":"2026-04-13T12:00:00Z"} Use this BEFORE every Solana transaction to set the right priority fee. Essential for Jupiter swaps, NFT mints, token transfers, and program interactions. Do NOT use for EVM gas -- use gas_get_current_price. Do NOT use for swap quotes -- use jupiter_get_swap_quote. Do NOT use for wallet balance -- use wallet_get_portfolio.

Endpoints

URLTransportStateLatencyChecked
https://solana-fees.api.klymax402.com/mcp sse answering 30 ms 10 min ago

Solana Priority Fee Estimator API — questions

Answers built from our own checks of this server.

What can Solana Priority Fee Estimator API do?
It exposes 1 tools, read directly from the server on our last check. Among them: solana_get_priority_fees. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is Solana Priority Fee Estimator API working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 34 ms. The bar chart above shows every period we have measured.
How do I connect Solana Priority Fee Estimator API?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does Solana Priority Fee Estimator API need an API key?
No. Solana Priority Fee Estimator API completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 1 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Solana Priority Fee Estimator API?
It answers our handshake in 34 ms on average, which is faster than 98% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.
Is Solana Priority Fee Estimator API open source?
Yes — it is published under the MIT licence, written in TypeScript and 0 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.