What is the key difference between Slack ↔ WxO MCP Gateway and Nostr MCP?

Slack ↔ WxO MCP Gateway belongs to the Communication category with local stdio execution, while Nostr MCP belongs to the Communication category with local stdio execution.

How do I install Slack ↔ WxO MCP Gateway or Nostr MCP in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Slack ↔ WxO MCP Gateway and Nostr MCP free or paid?

Slack ↔ WxO MCP Gateway operates under a Free / Open Source model (No auth required). Nostr MCP operates under a Free / Open Source model (other).

Which MCP server has more tools and community activity?

Slack ↔ WxO MCP Gateway lists 0 tools with 0 views and 0 GitHub stars. Nostr MCP lists 2 tools with 4 views and 38 GitHub stars.

Can I use both Slack ↔ WxO MCP Gateway and Nostr MCP together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

Slack ↔ WxO MCP Gateway vs Nostr MCP

In-depth architectural comparison of the Slack ↔ WxO MCP Gateway and Nostr MCP 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.

At a Glance & Executive Verdict

Slack ↔ WxO MCP Gateway

Communication · Local stdio

Quality: 36/100 (Fair) | Auth: No auth required

Nostr MCP

Communication · Local stdio

Quality: 56/100 (Good) | Auth: other

Verdict Summary: Choose Slack ↔ WxO MCP Gateway if you need specialized Communication tools running via a local process. Choose Nostr MCP if your workspace requires Communication integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Slack ↔ WxO MCP Gateway when:

You need dedicated capabilities in the Communication domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore Slack ↔ WxO MCP Gateway Details

Choose Nostr MCP when:

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

Explore Nostr MCP Details

Feature & Specification Comparison

Specification	Slack ↔ WxO MCP Gateway Communication	Nostr MCP AbdelStark Communication
Summary	Lifts WxO Slack limits: every-message wake-up, multi-channel routing, streamable-http /mcp.	A Nostr MCP server that allows to interact with Nostr, enabling posting notes, and more.
Category & Scope	Communication	Communication

Tools & Capabilities Breakdown

Slack ↔ WxO MCP Gateway Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

Nostr MCP Tools (2)

post_note

Posts a new note to the Nostr network.

send_zap

Sends a Lightning zap to a Nostr user.

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).

Slack ↔ WxO MCP Gateway Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "slack-wxo-mcp-gateway": {
      "command": "npx",
      "args": [
        "-y",
        "@markusvankempen/slack-wxo-mcp-gateway"
      ]
    }
  }
}

Nostr MCP Configuration

mcpServers (Claude Desktop / Cursor)

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

Frequently Asked Questions

Slack ↔ WxO MCP Gateway is categorized under Communication and uses a local stdio subprocess. In contrast, Nostr MCP belongs to Communication using local stdio subprocess. Select Slack ↔ WxO MCP Gateway when you need capabilities focused on communication and Nostr MCP when you require tools for communication.

More alternatives to Slack ↔ WxO MCP Gateway More alternatives to Nostr MCP Communication category hub Canonical compare URL