fastx402-mcp

An MCP server providing over 80 tools for AI agents, including data processing, media conversion, crypto lookups, and web utilities. It utilizes the x402 protocol for pay-per-call payments in USDC on Base or Solana, requiring a dedicated wallet key for transactions.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Community listingLocal stdioSource reviewed; not executedPublished by tusk80

Vendor documentation

What you can do with it

Perform image background removal and conversion
Look up Ethereum, Base, or Solana balances and token info
Convert text to speech or generate QR codes
Validate emails, IBANs, or ISBNs

Source and maintenance

Community listingRegistry 0.1.1

mcp-registry: io.github.tusk80/fastx402@0.1.1 Source repository

Maintenance checked: Oct 31, 2026, 10:59 PM UTC

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

fastx402-mcp 0.1.1

npm

fastx402-mcp package definition

{
  "version": "0.1.1",
  "transport": "stdio",
  "identifier": "fastx402-mcp",
  "registryType": "npm",
  "environmentVariables": [
    {
      "name": "FASTX402_EVM_PRIVATE_KEY",
      "format": "string",
      "description": "Dedicated wallet key that pays in USDC on Base (0x + 64 hex)"
    },
    {
      "name": "FASTX402_SOLANA_PRIVATE_KEY",
      "format": "string",
      "description": "Dedicated wallet key that pays in USDC on Solana (base58)"
    },
    {
      "name": "FASTX402_MAX_USD_PER_CALL",
      "format": "string",
      "description": "Maximum USD per single payment (default 0.05)"
    },
    {
      "name": "FASTX402_MAX_USD_PER_DAY",
      "format": "string",
      "description": "Maximum USD spent per day (default 1)"
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.

Cursor configuration

{
  "mcpServers": {
    "fastx402-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "fastx402-mcp@0.1.1"
      ],
      "env": {
        "FASTX402_EVM_PRIVATE_KEY": "<YOUR_FASTX402_EVM_PRIVATE_KEY>",
        "FASTX402_SOLANA_PRIVATE_KEY": "<YOUR_FASTX402_SOLANA_PRIVATE_KEY>",
        "FASTX402_MAX_USD_PER_CALL": "<YOUR_FASTX402_MAX_USD_PER_CALL>",
        "FASTX402_MAX_USD_PER_DAY": "<YOUR_FASTX402_MAX_USD_PER_DAY>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.

Cline configuration

{
  "mcpServers": {
    "fastx402-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "fastx402-mcp@0.1.1"
      ],
      "env": {
        "FASTX402_EVM_PRIVATE_KEY": "<YOUR_FASTX402_EVM_PRIVATE_KEY>",
        "FASTX402_SOLANA_PRIVATE_KEY": "<YOUR_FASTX402_SOLANA_PRIVATE_KEY>",
        "FASTX402_MAX_USD_PER_CALL": "<YOUR_FASTX402_MAX_USD_PER_CALL>",
        "FASTX402_MAX_USD_PER_DAY": "<YOUR_FASTX402_MAX_USD_PER_DAY>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.

VS Code configuration

{
  "servers": {
    "fastx402-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "fastx402-mcp@0.1.1"
      ],
      "env": {
        "FASTX402_EVM_PRIVATE_KEY": "<YOUR_FASTX402_EVM_PRIVATE_KEY>",
        "FASTX402_SOLANA_PRIVATE_KEY": "<YOUR_FASTX402_SOLANA_PRIVATE_KEY>",
        "FASTX402_MAX_USD_PER_CALL": "<YOUR_FASTX402_MAX_USD_PER_CALL>",
        "FASTX402_MAX_USD_PER_DAY": "<YOUR_FASTX402_MAX_USD_PER_DAY>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.

Claude Desktop configuration

{
  "mcpServers": {
    "fastx402-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "fastx402-mcp@0.1.1"
      ],
      "env": {
        "FASTX402_EVM_PRIVATE_KEY": "<YOUR_FASTX402_EVM_PRIVATE_KEY>",
        "FASTX402_SOLANA_PRIVATE_KEY": "<YOUR_FASTX402_SOLANA_PRIVATE_KEY>",
        "FASTX402_MAX_USD_PER_CALL": "<YOUR_FASTX402_MAX_USD_PER_CALL>",
        "FASTX402_MAX_USD_PER_DAY": "<YOUR_FASTX402_MAX_USD_PER_DAY>"
      }
    }
  }
}

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