Publish Nostr marketplace listings (NIP-15 + Shopstr kinds 30019/30402) so agents can run a store.
To add marketplace-mcp to Claude, run the install command below or copy the ready-made config for Claude Code, Claude Desktop, Cursor and VS Code further down. Restart your client after adding it and its tools show up in your next conversation. It needs 4 environment variables, listed below.
Install
npx -y marketplace-mcp@0.2.3Environment variables
NOSTR_RELAYSSet in your MCP configNOSTR_NIP46_URISet in your MCP configNOSTR_PRIVATE_KEYSet in your MCP configSHOPSTR_CACHE_ENABLEDSet in your MCP configInstall with your client
claude mcp add marketplace --env NOSTR_RELAYS=<YOUR_NOSTR_RELAYS> --env NOSTR_NIP46_URI=<YOUR_NOSTR_NIP46_URI> --env NOSTR_PRIVATE_KEY=<YOUR_NOSTR_PRIVATE_KEY> --env SHOPSTR_CACHE_ENABLED=<YOUR_SHOPSTR_CACHE_ENABLED> -- npx -y marketplace-mcp@0.2.3
Run this in a terminal to add the server to Claude Code.
What this does
marketplace-mcp exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.
Requirements
This server needs the following environment variables to be set before it can run:
NOSTR_RELAYS NOSTR_NIP46_URI NOSTR_PRIVATE_KEY SHOPSTR_CACHE_ENABLED
Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).
Frequently asked questions
How do I install marketplace-mcp?
Run the Claude Code command in the install section to add marketplace-mcp to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.
Which clients work with marketplace-mcp?
This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to marketplace-mcp as well.
Does marketplace-mcp need an API key?
Yes. Before it can run, set these environment variables: NOSTR_RELAYS, NOSTR_NIP46_URI, NOSTR_PRIVATE_KEY, SHOPSTR_CACHE_ENABLED. They go in the env block of your MCP config.
Imported from the Official MCP Registry. The details above come from the registry entry; the maker can claim this listing to correct them, add docs, and see its traffic.
Is this your MCP server?
Claim this listing to see its traffic, fix details yourself, and skip the review queue on future updates.
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