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How to find and pay for MCP servers

Paid MCP servers are a young market, and the honest answer to "where do I find them" is that most directories list free servers and the paid ones are usually sold on their own product pages. This estate sells each server on its own page and the whole set as a bundle, with one pricing rule: $19 once for a server, $39 once for all of them, lifetime, no subscription and no seat count.

How paying works

Checkout is Stripe. After payment you get a key that looks like MCPL1.xxx.yyy, an Ed25519 signature over a small payload. Verification happens locally against a public key compiled into the server, so the server never phones home: no activation server, no license check on startup, no telemetry, and activation works with the network off.

The free tier is real

The free tier is meant to be the whole product for light use rather than a demo that stops at the interesting part. Every tool ships in the free build; a Pro key removes limits rather than downloading anything. So the honest guidance is to try the free tier for a week and buy when a limit gets in your way. The exact free and Pro limits are on the free versus Pro page.

Try one

One click, with no JSON. Download invoice.mcpb from the latest release and open it in Claude Desktop. It runs on the Node runtime Claude Desktop ships with, so your own PATH and node version never come into it.

Or a URL, with nothing installed. /mcp/connect mints a free anonymous token and prints the ready line:

claude mcp add --transport http invoice https://mcp.zovo.one/mcp/invoice/t/<token>

Or from a clone, for a client with no bundle installer. Build once, then point the client at the built file:

git clone https://github.com/theluckystrike/mcp-servers.git
cd mcp-servers && npm install
npm run build -w packages/mcp-license -w servers/invoice

claude mcp add --scope user invoice -- node /absolute/path/to/mcp-servers/servers/invoice/dist/index.js

Claude Desktop, Cursor, Windsurf and Cline take the same two strings as JSON, in claude_desktop_config.json or the client's own MCP config file:

{
  "mcpServers": {
    "invoice": {
      "command": "node",
      "args": ["/absolute/path/to/mcp-servers/servers/invoice/dist/index.js"]
    }
  }
}

The npm packages are not published yet, so the npx form below returns a 404 today. It is kept because it is what that config becomes the day the publish lands, with nothing else changed; installing these servers when npx does not work yet has the whole picture.

claude mcp add invoice -- npx -y @theluckystrike/mcp-invoice

For the deeper look at how paid servers are licensed and discovered, see paid MCP servers and how you pay for one and licensing a paid MCP server.

Questions

Where do I find paid MCP servers?

Most directories list free servers; paid ones are usually sold on their own product pages. This estate sells each server on its own page and the whole set as a bundle.

How does paying for an MCP server work?

Checkout is Stripe, and you get a key that is an Ed25519 signature verified locally. There is no subscription, no seat count and no card kept on file.

Is the free tier a trial?

No. The free tier is the whole product for light use and does not expire. A Pro key removes limits rather than downloading anything.

Related

All MCP servers and prices · All guides · Buy the bundle $39

Related guides: Charging for an MCP server: how licensing actually works · What the free tier includes and what Pro adds · Where to find MCP servers that cost money, and how you actually pay