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Marketplace Mcp

io.github.llmops-pro/marketplace-mcp ยท v0.2.3

Publish Nostr marketplace listings (NIP-15 + Shopstr kinds 30019/30402) so agents can run a store.

Source code Set it up

Connect Runs on your machine

Terminal
claude mcp add marketplace-mcp -e NOSTR_RELAYS=<NOSTR_RELAYS> -e NOSTR_NIP46_URI=<NOSTR_NIP46_URI> -e NOSTR_PRIVATE_KEY=<NOSTR_PRIVATE_KEY> -e SHOPSTR_CACHE_ENABLED=<SHOPSTR_CACHE_ENABLED> -- npx -y [email protected]
claude_desktop_config.json
{
  "mcpServers": {
    "marketplace-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "NOSTR_RELAYS": "<NOSTR_RELAYS>",
        "NOSTR_NIP46_URI": "<NOSTR_NIP46_URI>",
        "NOSTR_PRIVATE_KEY": "<NOSTR_PRIVATE_KEY>",
        "SHOPSTR_CACHE_ENABLED": "<SHOPSTR_CACHE_ENABLED>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "marketplace-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "NOSTR_RELAYS": "<NOSTR_RELAYS>",
        "NOSTR_NIP46_URI": "<NOSTR_NIP46_URI>",
        "NOSTR_PRIVATE_KEY": "<NOSTR_PRIVATE_KEY>",
        "SHOPSTR_CACHE_ENABLED": "<SHOPSTR_CACHE_ENABLED>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "marketplace-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "NOSTR_RELAYS": "<NOSTR_RELAYS>",
        "NOSTR_NIP46_URI": "<NOSTR_NIP46_URI>",
        "NOSTR_PRIVATE_KEY": "<NOSTR_PRIVATE_KEY>",
        "SHOPSTR_CACHE_ENABLED": "<SHOPSTR_CACHE_ENABLED>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

NameDescription
NOSTR_RELAYS
Required		Comma-separated wss:// relay URLs
NOSTR_NIP46_URI
Optional, secret		NIP-46 bunker URI (preferred signer)
NOSTR_PRIVATE_KEY
Optional, secret		nsec private key (alternative to NOSTR_NIP46_URI)
SHOPSTR_CACHE_ENABLED
Optional		Set true to POST Shopstr-dialect events to the Shopstr cache after relay publish

Details

Package[email protected] (NPM, stdio)
First published12 Jun 2026
Last updated12 Jun 2026
Registry nameio.github.llmops-pro/marketplace-mcp

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