Deliberation

Created By

antonbabenko21 days ago

A second opinion in Claude Code or any MCP host, from GPT, Gemini, Grok, and 400+ OpenRouter models. Seven domain experts review plans, find bugs, and weigh tradeoffs - advisory by default, or implementing when you ask.

# mcp

# second-opinion

Overview Content Tools Comments

Content

What it is

Deliberation connects GPT (via the Codex CLI), Gemini (via the Antigravity CLI agy), Grok (xAI), and any OpenAI-compatible model through OpenRouter into one MCP server.

You ask once; it routes the question to whichever providers you have configured and synthesizes their answers instead of dumping raw output. Use any subset - it detects what is set up and routes accordingly.

Seven experts cover the work, each with a focus: Architect, Plan Reviewer, Scope Analyst, Code Reviewer, Security Analyst, Researcher, Debugger. GPT and Gemini can also implement changes; Grok and OpenRouter advise only.

Install

Any MCP host (stdio):

{ "mcpServers": { "deliberation": { "command": "npx", "args": ["-y", "@antonbabenko/deliberation-mcp"] } } }

In Claude Code, install the plugin instead:

/plugin marketplace add antonbabenko/agent-plugins
/plugin install deliberation@antonbabenko
/deliberation:setup

Tools

ask-all - send one question to every configured provider in parallel, then compare the answers
consensus - providers review while the host commits a blind verdict, then adjudicates; converges only when models agree
ask-gpt / ask-gemini / ask-grok / ask-openrouter - a single-provider second opinion
the seven experts, callable directly

Requirements

You need at least one provider:

GPT: the Codex CLI (npm i -g @openai/codex, then codex login)
Gemini: the Antigravity CLI (agy), logged in
Grok: XAI_API_KEY (get a key at https://console.x.ai)
OpenRouter: OPENROUTER_API_KEY plus models declared in ~/.claude/deliberation/config.json; works with any OpenAI-compatible endpoint (Ollama, vLLM, LM Studio)

Node 18+. The server is bundled and ships with zero runtime dependencies.

Server Config

{
  "mcpServers": {
    "deliberation": {
      "command": "npx",
      "args": [
        "-y",
        "@antonbabenko/deliberation-mcp"
      ],
      "env": {
        "XAI_API_KEY": "<optional, for Grok>",
        "OPENROUTER_API_KEY": "<optional, for OpenRouter>"
      }
    }
  }
}

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