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Home/Servers/Coinvoyage

Coinvoyage

I
by io.github.KingPeque

CoinVoyage MCP — create crypto PayOrders, webhooks, swaps across Bitcoin/Solana/EVM chains.

Power your agent

Add this server

The publisher's own command. Not a PlugMCP endpoint.

Local command
npx -y @kingpeque/[email protected]
Credentials from the publisher
  • COINVOYAGE_API_KEY — Your CoinVoyage public API key. Get one at https://dashboard.coinvoyage.io (Developers section).
  • COINVOYAGE_API_SECRET — Server-side API secret. Required for SALE/REFUND PayOrders, fee claims, and webhook management. Leave unset if you only need DEPOSIT (merchant invoice) flows.
  • COINVOYAGE_API_BASE_URL — Override the API base URL. Defaults to https://api.coinvoyage.io.
Provider
Claude Code
COINVOYAGE_API_KEY=<value> COINVOYAGE_API_SECRET=<secret> COINVOYAGE_API_BASE_URL=<value> claude mcp add io.github.kingpeque-coinvoyage -- npx -y @kingpeque/[email protected]

Run in a terminal.

Claude Desktop
{
  "mcpServers": {
    "io.github.kingpeque-coinvoyage": {
      "command": "npx",
      "args": [
        "-y",
        "@kingpeque/[email protected]"
      ],
      "env": {
        "COINVOYAGE_API_KEY": "<value>",
        "COINVOYAGE_API_SECRET": "<secret>",
        "COINVOYAGE_API_BASE_URL": "<value>"
      }
    }
  }
}

claude_desktop_config.json

Step-by-step: add this in Claude

Remote URL or a command on your machine? How the two installs differ

Run on PlugMCP

Host a copy with our keys and logs.

A new server you create. It is not this listing's official endpoint. Use the publisher install when you want their URL and their credentials.

Launch

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CoinVoyage MCP — create crypto PayOrders, webhooks, swaps across Bitcoin/Solana/EVM chains.

coinvoyage-paykit-claudeplugin

Claude Code plugin for integrating CoinVoyage — a non-custodial, multi-chain crypto payment gateway — into any app you build with Claude.

Bundles two surfaces:

  1. Skill (coinvoyage-payments) — triggers whenever Claude is helping with crypto payments, checkout, stablecoins, or web3 payment work. Guides the integration end to end: server-side PayOrder creation, React PaymentWidget, webhook signature verification, and REST API fallback for non-JS stacks.
  2. MCP server (@kingpeque/coinvoyage-mcp) — gives Claude 15 tools for calling the CoinVoyage API directly: create PayOrders, check status, manage webhooks, get swap quotes, and more.

Community-maintained integration. Not officially affiliated with CoinVoyage.

Install

/plugin install KingPeque/coinvoyage-paykit

You'll be prompted at install for:

FieldRequiredNotes
api_keyyesYour public API key from https://dashboard.coinvoyage.io → Developers
api_secretoptionalNeeded for SALE/REFUND orders, webhook management, and fee claims. Leave blank to restrict Claude to read + DEPOSIT flows only.
api_base_urloptionalDefaults to https://api.coinvoyage.io

The secret is stored in your system keychain via Claude Code's sensitive-config pathway — it never lands in a file you'd commit.

What you can now say to Claude

Once installed, these kinds of requests will activate the skill and/or MCP tools:

  • "Add crypto payments to my Next.js checkout"
  • "I want to accept Bitcoin on from my site"
  • "Build a donation page that takes any crypto while I settle to USDC on base"
  • "Create a $25 test invoice and settle to USDC on Base heres my wallet"
  • "Register a webhook at https://mysite.com/api/webhooks/coinvoyage for completed orders"

What's inside

coinvoyage-paykit/
├── .claude-plugin/
│   └── plugin.json              # Plugin manifest (prompts user for API keys)
├── mcp.json                     # Declares the bundled MCP server
├── skills/
│   └── coinvoyage-payments/
│       └── SKILL.md             # Integration guide + trigger description
├── mcp-server/                  # Source for @kingpeque/coinvoyage-mcp (npm)
│   ├── src/index.ts
│   ├── package.json
│   └── tsconfig.json
├── README.md
└── LICENSE

Supported chains

Bitcoin, Solana, Ethereum, Optimism, Arbitrum, Base, BSC, Polygon, Sui — plus any ERC-20 / SPL / native token on these chains. See full chain ID reference in the supported_chains MCP tool.

Pricing (CoinVoyage's, not this plugin's)

  • 1.5% per successful payment
  • 0% offramp
  • Merchants can add a custom percentage fee on top
  • This plugin is free and MIT-licensed. Volume discounts on CoinVoyage fees: [email protected].

Security posture

  • No secrets in this repo. Everything sensitive lives in your Claude Code config, injected into the MCP server at runtime.
  • Per-user keys. Every builder uses their own CoinVoyage API key. Nothing is centrally hosted; there's no shared server to compromise.
  • Minimal network surface. The MCP server only talks to api.coinvoyage.io (or your configured override).
  • HMAC-SHA256 authentication for privileged operations (SALE/REFUND/webhooks/fee claims).
  • Open source. Read the MCP server source at mcp-server/src/index.ts — it's under 300 lines.

Local development

git clone https://github.com/KingPeque/coinvoyage-paykit
cd coinvoyage-paykit/mcp-server
npm install
npm run build
# Point your MCP client at ./mcp-server/dist/index.js with COINVOYAGE_API_KEY set

Run the skill locally by symlinking skills/coinvoyage-payments/ into ~/.claude/skills/ (or installing the plugin in dev mode).

Contributing

Issues and PRs welcome at https://github.com/KingPeque/coinvoyage-paykit/issues. Please don't commit API keys, secrets, or wallet addresses.

License

MIT — see LICENSE.

Links

  • CoinVoyage site: https://coinvoyage.io
  • CoinVoyage docs: https://docs.coinvoyage.io
  • Dashboard: https://dashboard.coinvoyage.io
  • Support: [email protected]
  • This plugin's issues: https://github.com/KingPeque/coinvoyage-paykit/issues
How do I install Coinvoyage?
Copy the stdio config for Cursor, Claude Desktop, Claude Code, or VS Code on this page. It uses the publisher's install, not a PlugMCP proxy.
Does Coinvoyage need an API key?
The publisher lists these environment variables: COINVOYAGE_API_KEY, COINVOYAGE_API_SECRET, COINVOYAGE_API_BASE_URL.
What transport does Coinvoyage use?
Coinvoyage runs locally over stdio.
When was Coinvoyage last checked?
Last checked 2026-10-16. CoinVoyage MCP — create crypto PayOrders, webhooks, swaps across Bitcoin/Solana/EVM chains.

No tool list yet. Remote servers get one after the first health check.

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