Nostr MCP Server vs Slack MCP Server (korotovsky)

A side-by-side comparison of two Communication servers — tools, transport, auth, maintenance, and copy-paste config for each.

	Nostr MCP Server Let AI models post notes and send Lightning zaps on the Nostr protocol. Unverified stdio (local) API key Stale TypeScript	Slack MCP Server (korotovsky) Powerful Slack MCP with stdio/SSE/HTTP, DMs, group DMs and no-admin token auth Verified stdio (local) API key Go
Category	Communication	Communication
Language	TypeScript	Go
Transport	stdio (local)	stdio (local)
Auth	API key	API key
GitHub stars	37	1.7k
Last commit	1 year ago	1 month ago
Verified
Actively maintained
Install	`npx -y @smithery/cli install @AbdelStark/nostr-mcp --client claude`	`npx -y slack-mcp-server@latest --transport stdio`
Repo	Open	Open

Verdict

Pick Nostr MCP Server if you prefer its approach (let ai models post notes and send lightning zaps on the nostr protocol).

Pick Slack MCP Server (korotovsky) if you prefer the more popular, battle-tested option, and you need the broadest set of tools.

Add Nostr MCP Server

Install / run

npx -y @smithery/cli install @AbdelStark/nostr-mcp --client claude

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "nostr-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@smithery/cli",
        "install",
        "@AbdelStark/nostr-mcp",
        "--client",
        "claude"
      ],
      "env": {
        "NOSTR_RELAYS": "wss://relay.damus.io,wss://relay.primal.net,wss://nos.lol",
        "NOSTR_NSEC_KEY": "your_nsec_key_here"
      }
    }
  }
}

Add Slack MCP Server (korotovsky)

Install / run

npx -y slack-mcp-server@latest --transport stdio

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "slack-mcp-server-korotovsky": {
      "command": "npx",
      "args": [
        "-y",
        "slack-mcp-server@latest",
        "--transport",
        "stdio"
      ],
      "env": {
        "SLACK_MCP_XOXP_TOKEN": "<your-slack-user-oauth-token-xoxp>"
      }
    }
  }
}

FAQ

Nostr MCP Server or Slack MCP Server (korotovsky) — which is better?

Pick Nostr MCP Server if you prefer its approach (let ai models post notes and send lightning zaps on the nostr protocol). Pick Slack MCP Server (korotovsky) if you prefer the more popular, battle-tested option, and you need the broadest set of tools.

Can I use both Nostr MCP Server and Slack MCP Server (korotovsky)?

Yes — MCP clients let you enable multiple servers at once. Add both configs to your client's mcpServers and use whichever tool fits the task.

Do Nostr MCP Server and Slack MCP Server (korotovsky) work with Claude, Cursor and Windsurf?

Both do. Copy the per-client config below into Claude Desktop, Cursor, or Windsurf.

View Nostr MCP Server →View Slack MCP Server (korotovsky) →More comparisons →