Koskamo

serp402 MCP

An MCP server providing agents with access to 126 data endpoints for search, maps, flights, hotels, property, jobs, reviews, patents, trends, and product listings. It operates on a pay-per-call model using USDC over x402, requiring no API keys or subscriptions, allowing agents to purchase data directly via a funded wallet.

Visit serp402

Package and access

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

serp402 MCP logo, by serp402Vendor evidenceLocal stdioSource reviewed; not executedOperated by serp402
You need:No API key, no account, no subscription, no minimum
Vendor documentation

What you can do with it

  • Search for flights, hotels, and property listings
  • Retrieve product prices and reviews from Amazon and Yelp
  • Find local business information and maps data
  • Access news, trends, and patent information

Source and maintenance

Vendor evidenceRegistry 1.0.0
mcp-registry: com.serp402/mcp@1.0.0Project website

Packages and installation

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

serp402-mcp 1.0.0

npm
serp402-mcp package definition
{
  "version": "1.0.0",
  "transport": "stdio",
  "identifier": "serp402-mcp",
  "registryType": "npm",
  "environmentVariables": [
    {
      "name": "SERP402_EVM_PRIVATE_KEY",
      "description": "0x… key holding USDC on Base. Each search costs USD 0.005, charged to this wallet. Either this or the Solana key is required to search."
    },
    {
      "name": "SERP402_SOLANA_PRIVATE_KEY",
      "description": "ed25519 key (hex or base58) holding USDC on Solana. Alternative to the Base key."
    },
    {
      "name": "SERP402_MAX_SPEND_USD",
      "description": "Stop searching after this much has been spent in one session. Default 1.00."
    },
    {
      "name": "SERP402_ENDPOINT",
      "description": "Override the endpoint. Default https://serp402.com"
    }
  ]
}

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": {
    "serp402-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "serp402-mcp@1.0.0"
      ],
      "env": {
        "SERP402_EVM_PRIVATE_KEY": "<YOUR_SERP402_EVM_PRIVATE_KEY>",
        "SERP402_SOLANA_PRIVATE_KEY": "<YOUR_SERP402_SOLANA_PRIVATE_KEY>",
        "SERP402_MAX_SPEND_USD": "<YOUR_SERP402_MAX_SPEND_USD>",
        "SERP402_ENDPOINT": "<YOUR_SERP402_ENDPOINT>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "serp402-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "serp402-mcp@1.0.0"
      ],
      "env": {
        "SERP402_EVM_PRIVATE_KEY": "<YOUR_SERP402_EVM_PRIVATE_KEY>",
        "SERP402_SOLANA_PRIVATE_KEY": "<YOUR_SERP402_SOLANA_PRIVATE_KEY>",
        "SERP402_MAX_SPEND_USD": "<YOUR_SERP402_MAX_SPEND_USD>",
        "SERP402_ENDPOINT": "<YOUR_SERP402_ENDPOINT>"
      }
    }
  }
}

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": {
    "serp402-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "serp402-mcp@1.0.0"
      ],
      "env": {
        "SERP402_EVM_PRIVATE_KEY": "<YOUR_SERP402_EVM_PRIVATE_KEY>",
        "SERP402_SOLANA_PRIVATE_KEY": "<YOUR_SERP402_SOLANA_PRIVATE_KEY>",
        "SERP402_MAX_SPEND_USD": "<YOUR_SERP402_MAX_SPEND_USD>",
        "SERP402_ENDPOINT": "<YOUR_SERP402_ENDPOINT>"
      }
    }
  }
}

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": {
    "serp402-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "serp402-mcp@1.0.0"
      ],
      "env": {
        "SERP402_EVM_PRIVATE_KEY": "<YOUR_SERP402_EVM_PRIVATE_KEY>",
        "SERP402_SOLANA_PRIVATE_KEY": "<YOUR_SERP402_SOLANA_PRIVATE_KEY>",
        "SERP402_MAX_SPEND_USD": "<YOUR_SERP402_MAX_SPEND_USD>",
        "SERP402_ENDPOINT": "<YOUR_SERP402_ENDPOINT>"
      }
    }
  }
}

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