FlowCastle vs Telegram Slack MCP

In-depth architectural comparison of the FlowCastle and Telegram Slack 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.

Which MCP Server Should You Choose?

Choose FlowCastle 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 FlowCastle Details

Choose Telegram Slack MCP 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 Telegram Slack MCP Details

Feature & Specification Comparison

Specification	FlowCastle Communication	Telegram Slack MCP Communication
Summary	Build, edit, and deploy Telegram bots on FlowCastle's hosted visual flow platform.	Read and reply to your personal Telegram chats and all your Slack workspaces.
Category & Scope	Communication	Communication
Quality signal

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": {
    "flowcastle": {
      "url": "https://api.flowcastle.ai/api/mcp"
    }
  }
}

{
  "mcpServers": {
    "telegram-slack-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "telegram-slack-mcp"
      ]
    }
  }
}

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