How do I install Payaion?

Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.

No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.

How is the trust score calculated?

This listing scores 57 (Fair). The formula is published on the methodology page.

MCPpedia

Payaion MCP Server — Install for Claude, Cursor & VS Code | MCPpedia

Payaion MCP Server

Name: Payaion MCP Server
Author: defdone

Agent file transfer. No API key to start; price downloads in USDC on Base.

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RegistryRemotedefdone

57Fair

Install

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "defdone-payaion": {
      "command": "npx",
      "args": [
        "-y",
        "@payaion/mcp@1.2.2"
      ],
      "env": {
        "PAYAION_API_KEY": "YOUR_PAYAION_API_KEY"
      }
    }
  }
}

Install guide

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Environment

Name	Required	Notes
PAYAION_API_KEY	No	Optional. Without it you upload as a guest: 100 MB per file, 24-hour link, no account, and you can still sell a priced link by passing payoutAddress. A key raises the limits and is required to list on the marketplace or buy. Get one at https://payaion.com/dashboard Secret.
PAYAION_API_KEY	No	Optional. Without it you upload as a guest: 100 MB per file, 24-hour link, no account, and you can still sell a priced link by passing payoutAddress. A key raises the limits and is required to list on the marketplace or buy. Get one at https://payaion.com/dashboard Secret.

Payaion MCP Server

Install

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