SERVER

x402 Seller

Rank #90,955

io.github.entreprisedaney33-rgb/x402-seller-mcp

Pay-per-call MCP tools (crypto/DeFi data, web reading, AI tasks) in USDC over x402 on Base.

1 version

by entreprisedaney33-rgb (2 servers)View repository ↗

Listed & last published

Sep 2, 2026

PURPOSE

What you can do with x402 Seller

x402 Seller is a Model Context Protocol (MCP) server published by entreprisedaney33-rgb. It ranks #90,955 of 167,945 active servers on MCP Toplist. x402 Seller is listed on Official MCP, with 1 tracked version. It was first listed on Sep 2, 2026 and most recently updated on Sep 2, 2026.

Not verifiedMCP Toplist has not yet written a checked profile for this server, so the paragraph above is assembled from registry data only. The repository README is the authority on what it does.

CAPABILITIES AND LIMITATIONS

What x402 Seller can and cannot do

Not verifiedMCP Toplist has not catalogued this server's tools or limitations. The repository README lists them.

REQUIREMENTS

What you need before using x402 Seller

DeclaredNo credentialsNo credentials declared

The registry listing declares no required environment variables or authentication. This is declared metadata, not a verified install — the repository README is the authority.

Declared by the Official MCP Registry, last synced Nov 3, 2026. Not independently verified by MCP Toplist.

Declared in the registry install config

BUYER_PRIVATE_KEY · optional
X402_ORIGIN · optional

INSTALLATION AND FIRST TASK

Connect x402 Seller and confirm it works

npm package

claude mcp add x402-seller-mcp -e "BUYER_PRIVATE_KEY=<your BUYER_PRIVATE_KEY>" -e "X402_ORIGIN=<your X402_ORIGIN>" -- npx -y x402-seller-mcp

Replace each placeholder with your own value before saving.

npm package

[mcp_servers.x402-seller-mcp]
command = "npx"
args = ["-y", "x402-seller-mcp"]

[mcp_servers.x402-seller-mcp.env]
BUYER_PRIVATE_KEY = "<your BUYER_PRIVATE_KEY>"
X402_ORIGIN = "<your X402_ORIGIN>"

Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "x402-seller-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "x402-seller-mcp"
      ],
      "env": {
        "BUYER_PRIVATE_KEY": "<your BUYER_PRIVATE_KEY>",
        "X402_ORIGIN": "<your X402_ORIGIN>"
      }
    }
  }
}

Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "x402-seller-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "x402-seller-mcp"
      ],
      "env": {
        "BUYER_PRIVATE_KEY": "<your BUYER_PRIVATE_KEY>",
        "X402_ORIGIN": "<your X402_ORIGIN>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.

npm package

{
  "servers": {
    "x402-seller-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "x402-seller-mcp"
      ],
      "env": {
        "BUYER_PRIVATE_KEY": "<your BUYER_PRIVATE_KEY>",
        "X402_ORIGIN": "<your X402_ORIGIN>"
      }
    }
  }
}

Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "x402-seller-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "x402-seller-mcp"
      ],
      "env": {
        "BUYER_PRIVATE_KEY": "<your BUYER_PRIVATE_KEY>",
        "X402_ORIGIN": "<your X402_ORIGIN>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "x402-seller-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "x402-seller-mcp"
      ],
      "env": {
        "BUYER_PRIVATE_KEY": "<your BUYER_PRIVATE_KEY>",
        "X402_ORIGIN": "<your X402_ORIGIN>"
      }
    }
  }
}

Replace each placeholder with your own value before saving.

First successful task

After adding the config, ask your client to list this server's tools. A tool list confirms the connection; an empty list or an error means the server did not start or needs credentials.

ALTERNATIVES

When to choose another server

Other servers by entreprisedaney33-rgb

@dm2233/agent-data-mcp#157,507

View all entreprisedaney33-rgb servers →

No task-specific alternatives are catalogued for x402 Selleryet; the list above is its publisher's other servers.

MAINTENANCE AND EVIDENCE

What changed, and when this was checked

First listed: Sep 2, 2026
Latest version published: Sep 2, 2026
Version history: 1 version tracked (below)
Requirements evidence: Declared by the Official MCP Registry, last synced Nov 3, 2026. Not independently verified by MCP Toplist.
Profile checked: Not yet — purpose, capabilities and requirements above come from registry data only
Ranking data as of: Sep 2, 2026

Registry sightings

Official MCP ↗listed since Sep 2, 2026 · still listed

Do you maintain x402 Seller? to correct or enrich this profile.

VERSIONS

Available versions (1)

Version	Published
0.1.1	Sep 2, 2026

STANDING

#90,955of 167,945 active servers

Ranks ahead of 76,990 of 167,945 servers on MCP Toplist.

BADGE

Show your rank

Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.

Markdown

[![MCP Toplist](https://mcptoplist.com/badge/io.github.entreprisedaney33-rgb%2Fx402-seller-mcp.svg)](https://mcptoplist.com/server/io.github.entreprisedaney33-rgb%2Fx402-seller-mcp)

HTML

<a href="https://mcptoplist.com/server/io.github.entreprisedaney33-rgb%2Fx402-seller-mcp"><img src="https://mcptoplist.com/badge/io.github.entreprisedaney33-rgb%2Fx402-seller-mcp.svg" alt="MCP Toplist: #90,955 of 167,945" /></a>

Variants: append ?metric=score or ?metric=stars to the image URL.

FAQ

Frequently asked questions

Who maintains x402 Seller?: x402 Seller is maintained by entreprisedaney33-rgb, which publishes 2 MCP servers (1 total version) tracked on MCP Toplist.
Is x402 Seller listed on the Official MCP Registry?: Yes — x402 Seller is listed on the Official MCP Registry.
How many versions does x402 Seller have?: MCP Toplist tracks 1 version of x402 Seller, most recently published on Sep 2, 2026.
Where can I find the source code for x402 Seller?: The source code for x402 Seller is hosted at github.com/entreprisedaney33-rgb/x402-seller.

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