Fastx402 MCP Server

by tusk80io.github.tusk80/fastx402v0.1.1

60+ pay-per-call tools for agents (data, dates, QR, crypto, web), paid in USDC via x402.

0Node.jsstdioofficial registry

context tax

pending

security

pending

cold start

pending

freshness

pending

Our reading of Fastx402, from the data

Fastx402 is a finance & fintech MCP server from tusk80, listed in the official MCP Registry.

We haven't measured its tool list yet, so its token cost is unknown.

With 0 GitHub stars it ranks #904 of 2,965 finance & fintech servers we index.

It runs locally on your machine over stdio and needs 2 secrets (FASTX402_EVM_PRIVATE_KEY, FASTX402_SOLANA_PRIVATE_KEY); use a scoped, least-privilege key.

Install Fastx402 MCP server

claude mcp add fastx402 -e FASTX402_EVM_PRIVATE_KEY='<fastx402-evm-private-key>' -e FASTX402_SOLANA_PRIVATE_KEY='<fastx402-solana-private-key>' -- npx -y fastx402-mcp

{
  "mcpServers": {
    "fastx402": {
      "command": "npx",
      "args": [
        "-y",
        "fastx402-mcp"
      ],
      "env": {
        "FASTX402_EVM_PRIVATE_KEY": "<fastx402-evm-private-key>",
        "FASTX402_SOLANA_PRIVATE_KEY": "<fastx402-solana-private-key>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "fastx402": {
      "command": "npx",
      "args": [
        "-y",
        "fastx402-mcp"
      ],
      "env": {
        "FASTX402_EVM_PRIVATE_KEY": "<fastx402-evm-private-key>",
        "FASTX402_SOLANA_PRIVATE_KEY": "<fastx402-solana-private-key>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "fastx402": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "fastx402-mcp"
      ],
      "env": {
        "FASTX402_EVM_PRIVATE_KEY": "<fastx402-evm-private-key>",
        "FASTX402_SOLANA_PRIVATE_KEY": "<fastx402-solana-private-key>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "fastx402": {
      "command": "npx",
      "args": [
        "-y",
        "fastx402-mcp"
      ],
      "env": {
        "FASTX402_EVM_PRIVATE_KEY": "<fastx402-evm-private-key>",
        "FASTX402_SOLANA_PRIVATE_KEY": "<fastx402-solana-private-key>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
FASTX402_EVM_PRIVATE_KEY	—	yes	Dedicated wallet key that pays in USDC on Base (0x + 64 hex)
FASTX402_SOLANA_PRIVATE_KEY	—	yes	Dedicated wallet key that pays in USDC on Solana (base58)
FASTX402_MAX_USD_PER_CALL	—	—	Maximum USD per single payment (default 0.05)
FASTX402_MAX_USD_PER_DAY	—	—	Maximum USD spent per day (default 1)

Freshness

Not enough public signals yet to judge maintenance.

Last commit (default branch)
2026-10-17 · 1d ago · GitHub
Latest release
2026-10-17 · 1d ago · GitHub · v0.1.1
Package published
no data · npm/PyPI
Registry entry updated
2026-10-17 · 1d ago · official registry · v0.1.1

How it compares in Finance & Fintech

Against the most-starred finance & fintech servers we index. Token cost is per model turn, measured from each server's live tool list.

Server	Stars	Tools	Tokens / turn	Freshness	Runs
Fastx402 (this)	0	—	not measured	—	local
CCXT	44,454	—	not measured	Active	local
Finance Toolkit	5,439	—	not measured	Active	local + hosted
Agent Toolkit	1,960	—	not measured	Active	hosted
Stripe	1,960	—	not measured	Active	local
Tradememory Protocol	1,430	—	not measured	Active	local

All finance & fintech MCP servers

FAQ

›How do I install the Fastx402 MCP server in Claude Code?

Run: claude mcp add fastx402 -e FASTX402_EVM_PRIVATE_KEY='<fastx402-evm-private-key>' -e FASTX402_SOLANA_PRIVATE_KEY='<fastx402-solana-private-key>' -- npx -y fastx402-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Fastx402 require an API key?

Yes. It expects FASTX402_EVM_PRIVATE_KEY, FASTX402_SOLANA_PRIVATE_KEY, of which 2 are secrets.

›Can I use Fastx402 as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is Fastx402 in the official MCP registry?

Yes, as io.github.tusk80/fastx402.

Sources and method

Official MCP Registry entry: updated 2026-10-17
GitHub repository: fetched 2026-10-19
Package registry (npm / PyPI): listed
Last checked against all sources: 2026-10-19

The description, packages and links come from the maintainer's own published metadata. Token cost, security signals, freshness and the reading above are MCPSkillHub's own measurements; see the methodology. Spot an error? Request a correction or claim the listing.