deliberation MCP server

Name: deliberation
Author: antonbabenko

Ask Codex, Gemini, Grok, and 400+ OpenRouter models (Qwen, Kimi, DeepSeek) for second opinions or arbiter-mediated consensus. One MCP server for Claude Code, Codex, Cursor, Kiro, OpenCode. Measures the models' usefulness, too.

What deliberation does

Summarised from the project README; check the repository for the latest details.

Requirements

Antigravity CLI: Getting Started with Antigravity CLI and Migrating from Gemini CLI, then run `agy` and login.
Grok (xAI): no CLI to install; the bridge ships with the plugin (needs Node 18+). Set `XAIAPIKEY` (get a key at https://console.x.ai).
Node.js (runs with npx)
Environment variables: XAI_API_KEY, OPENROUTER_API_KEY

Repository: antonbabenko/deliberation
Stars: ★172
Language: JavaScript
Last updated: 2026-10-11
ai-agentsai-codingclaudeclaude-codeclaude-code-plugincode-reviewcodexconsensusdeveloper-toolsgeminigrokllmmcpmcp-servermulti-agentopenaiplan-reviewsecurity-reviewxai

How to install deliberation MCP in Claude Desktop, Cursor and VS Code

Install

Taken from the project README (README mcpServers JSON). Check the README for required API keys before use.

Claude Code

Terminal (claude CLI)

claude mcp add --env XAI_API_KEY=xai-... --env OPENROUTER_API_KEY=sk-or-v1-... --transport stdio deliberation -- npx -y @antonbabenko/deliberation-mcp

Claude Desktop

claude_desktop_config.json

{
  "mcpServers": {
    "deliberation": {
      "command": "npx",
      "args": [
        "-y",
        "@antonbabenko/deliberation-mcp"
      ],
      "env": {
        "XAI_API_KEY": "xai-...",
        "OPENROUTER_API_KEY": "sk-or-v1-..."
      }
    }
  }
}

Cursor

~/.cursor/mcp.json

{
  "mcpServers": {
    "deliberation": {
      "command": "npx",
      "args": [
        "-y",
        "@antonbabenko/deliberation-mcp"
      ],
      "env": {
        "XAI_API_KEY": "xai-...",
        "OPENROUTER_API_KEY": "sk-or-v1-..."
      }
    }
  }
}

VS Code

.vscode/mcp.json

{
  "servers": {
    "deliberation": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@antonbabenko/deliberation-mcp"
      ],
      "env": {
        "XAI_API_KEY": "xai-...",
        "OPENROUTER_API_KEY": "sk-or-v1-..."
      }
    }
  }
}

Add to config generator – combine it with other servers, or get the Windsurf format.

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Badge markdown

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