Nostr MCP vs Lead Radar

In-depth architectural comparison of the Nostr MCP and Lead Radar MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

Which MCP Server Should You Choose?

Choose Nostr MCP when:

• You need dedicated capabilities in the Communication domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: API Key required (Free / Open Source).
• You have access to required keys: LOG_LEVEL, NODE_ENV, NOSTR_RELAYS, NOSTR_NSEC_KEY, SERVER_MODE, PORT.
• Primary tools included: post_note, send_zap.

Explore Nostr MCP Details

L

Choose Lead Radar when:

• You need dedicated capabilities in the Communication domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore Lead Radar Details

Feature & Specification Comparison

Specification	Nostr MCP AbdelStark Communication	L Lead Radar Communication
Summary	A Nostr MCP server that allows to interact with Nostr, enabling posting notes, and more.	B2B lead generation from Google Maps: search, dedupe and email-enrich businesses. Needs API key.
Category & Scope	Communication	Communication

Tools & Capabilities Breakdown

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

{
  "mcpServers": {
    "abdelstark-nostr-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@smithery/cli"
      ],
      "env": {
        "LOG_LEVEL": "YOUR_LOG_LEVEL_HERE",
        "NODE_ENV": "YOUR_NODE_ENV_HERE",
        "NOSTR_RELAYS": "YOUR_NOSTR_RELAYS_HERE",
        "NOSTR_NSEC_KEY": "YOUR_NOSTR_NSEC_KEY_HERE",
        "SERVER_MODE": "YOUR_SERVER_MODE_HERE",
        "PORT": "YOUR_PORT_HERE"
      }
    }
  }
}

{
  "mcpServers": {
    "lead-radar": {
      "url": "https://lead-radar.fr"
    }
  }
}

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