x402-tools-mcp

An MCP server providing 22 pay-per-call utility tools for AI agents, including scraping, validation, embedding, storage, moderation, notification, conversion, and loop prevention. It operates on the x402 protocol using USDC on Base, requiring no accounts or API keys.

Package and access

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

Community listingLocal stdioSource reviewed; not executedPublished by mizukaizen

Vendor documentation

What you can do with it

Scrape web content with Playwright
Validate JSON responses against schemas
Store and query semantic memories
Detect prompt injection risks

Source and maintenance

Community listingRegistry 0.1.4

mcp-registry: io.github.mizukaizen/x402-tools-mcp@0.1.4 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.

@melis-ai/x402-tools-mcp 0.1.2

npm

@melis-ai/x402-tools-mcp package definition

{
  "version": "0.1.2",
  "transport": "stdio",
  "identifier": "@melis-ai/x402-tools-mcp",
  "registryType": "npm",
  "environmentVariables": [
    {
      "name": "X402_PAYMENT_HEADER",
      "format": "string",
      "description": "Signed x402 payment token from your wallet client. Set if handling payments manually."
    },
    {
      "name": "X402_INTERNAL_KEY",
      "format": "string",
      "description": "Bypass key for trusted internal callers — skips x402 payment flow entirely."
    }
  ]
}

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": {
    "x402-tools-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@melis-ai/x402-tools-mcp@0.1.2"
      ],
      "env": {
        "X402_PAYMENT_HEADER": "<YOUR_X402_PAYMENT_HEADER>",
        "X402_INTERNAL_KEY": "<YOUR_X402_INTERNAL_KEY>"
      }
    }
  }
}

Cline

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

Cline configuration

{
  "mcpServers": {
    "x402-tools-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@melis-ai/x402-tools-mcp@0.1.2"
      ],
      "env": {
        "X402_PAYMENT_HEADER": "<YOUR_X402_PAYMENT_HEADER>",
        "X402_INTERNAL_KEY": "<YOUR_X402_INTERNAL_KEY>"
      }
    }
  }
}

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": {
    "x402-tools-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@melis-ai/x402-tools-mcp@0.1.2"
      ],
      "env": {
        "X402_PAYMENT_HEADER": "<YOUR_X402_PAYMENT_HEADER>",
        "X402_INTERNAL_KEY": "<YOUR_X402_INTERNAL_KEY>"
      }
    }
  }
}

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": {
    "x402-tools-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@melis-ai/x402-tools-mcp@0.1.2"
      ],
      "env": {
        "X402_PAYMENT_HEADER": "<YOUR_X402_PAYMENT_HEADER>",
        "X402_INTERNAL_KEY": "<YOUR_X402_INTERNAL_KEY>"
      }
    }
  }
}

Let your agent find its tools

Find servers like x402-tools-mcp from your agent. Add Koskamo once to search the index for endpoints, access requirements, and client setup. Public discovery needs no key.

Connect Koskamo Explore workflows

See all 4,480