ask-claude

ask-claude is a local MCP server: Bridge Codex and other MCP clients with Anthropic Claude Code CLI for read-only second opinions. Install it from npm as @ask-llm/claude-mcp.

Claude CodeCodexAntigravity

commandprompt

Terminal

claude mcp add ask-claude -e ASK_CLAUDE_MODEL=... -e ASK_CLAUDE_FALLBACK_MODEL=... -e ASK_CLAUDE_TIMEOUT_MS=... -e GMCPT_LOG_LEVEL=... -- npx -y @ask-llm/claude-mcp

Run in your project folder. Add --scope user to use it everywhere.

Add to claude_desktop_config.json or .cursor/mcp.json.

{
  "mcpServers": {
    "ask-claude": {
      "command": "npx",
      "args": [
        "-y",
        "@ask-llm/claude-mcp"
      ],
      "env": {
        "ASK_CLAUDE_MODEL": "...",
        "ASK_CLAUDE_FALLBACK_MODEL": "...",
        "ASK_CLAUDE_TIMEOUT_MS": "...",
        "GMCPT_LOG_LEVEL": "..."
      }
    }
  }
}

Fill in the environment variables with your own credentials.

• Runtime: Node.js 18+ (runs with npx).
• MCP client: Claude Code, Codex, Antigravity, Claude Desktop, Cursor or any other client that speaks MCP over stdio.
• Environment variables: ASK_CLAUDE_MODEL, ASK_CLAUDE_FALLBACK_MODEL, ASK_CLAUDE_TIMEOUT_MS, GMCPT_LOG_LEVEL