What is Phone-a-Friend MCP Server?
Phone-a-Friend MCP Server is an AI-to-AI consultation system that enables one AI to “phone a friend” (another AI) for critical thinking, long context reasoning, and complex problem solving via OpenRouter. It creates a two-step process: packaging context for an external AI to analyze, then extracting actionable insights for the primary AI. It’s designed for AI systems that need to leverage other AI models as consultants for difficult tasks.
How to use Phone-a-Friend MCP Server?
Install by cloning the repository and running uv pip install -e .. Set one or more API keys via environment variables (OPENROUTER_API_KEY recommended, or OPENAI_API_KEY, ANTHROPIC_API_KEY, GOOGLE_API_KEY). Start the server with phone-a-friend-mcp-server. To use with Claude Desktop, add a configuration entry to claude_desktop_config.json. The primary AI invokes the phone_a_friend tool with all_related_context, task, and optional any_additional_context.
Key features of Phone-a-Friend MCP Server
- Two-step consultation: context + reasoning then extract actionable insights.
- Automatic model selection based on provider and task.
- Supports OpenRouter, OpenAI, Anthropic, and Google/Gemini.
- Exposes a single
phone_a_friend MCP tool.
- Handles long context reasoning (>100k tokens).
- No memory of past conversations; quality depends on provided context.
Use cases of Phone-a-Friend MCP Server
- Complex multi‑step problems requiring deep analysis.
- Situations needing long context reasoning with extensive information.
- Cross‑domain expertise consultation.
- Critical decision‑making with high stakes.
- Problems that benefit from multiple AI perspectives.
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