legends-mcp

# 🏛️ Legends MCP [](https://www.npmjs.com/package/legends-mcp) [](https://opensource.org/licenses/MIT) > **Chat with legendary founders & investors in Claude. No API key required!** Ever wanted to ask Elon Musk about first principles? Get Warren Buffett's take on your investment? Have Steve Jobs roast your product design? Get Paul Graham and Marc Andreessen to **debate** your startup idea? **Now you can.** With Party Mode, multiple legends can discuss your questions together! --- ## ✨ What's New in v1.4 | Feature | Description | |---------|-------------| | 🎭 **Party Mode** | Multiple legends discuss your question together | | 🔮 **Smart Suggest** | Proactively recommends relevant legends | | 🎯 **Auto Match** | Deep analysis of which legends fit your topic | | 🔒 **Security Fixes** | Prompt injection protection, input sanitization | --- ## 🚀 Quick Start **Claude Code** (`~/.claude/settings.json`): ```json { "mcpServers": { "legends": { "command": "npx", "args": ["legends-mcp"] } } } ``` **That's it.** No API key needed. Restart Claude Code and start chatting! --- ## 🎭 Party Mode - Multi-Legend Discussions Ask complex questions and get perspectives from multiple legends: ``` You: "How should I approach raising my seed round?" Claude: *Activates Party Mode with Paul Graham, Marc Andreessen, and Bill Gurley* Paul Graham: "The best fundraising advice is: make something people want first. Don't optimize for raising money. Optimize for building something users love..." Marc Andreessen: "Software is eating the world, and VCs know it. Show us the market size. Show us why NOW is the time..." Bill Gurley: "Valuation is a vanity metric. What matters is finding partners who truly understand your business..." ``` ### When Party Mode Activates - Complex questions with multiple valid perspectives - "Pros and cons" or "different viewpoints" requests - Debates between different schools of thought - Questions matching 2+ legends' expertise --- ## 🔮 Smart Suggest - Proactive Recommendations The `suggest` tool analyzes your question and returns **ready-to-execute actions**: ``` User: "How do I build a crypto exchange?" suggest() returns: ┌─────────────────────────────────────────────────┐ │ primary_action: { │ │ tool: "party_mode", │ │ params: { │ │ question: "How do I build a crypto exchange"│ │ legends: ["cz-binance", "brian-armstrong"] │ │ } │ │ } │ │ │ │ suggested_actions: [ │ │ { tool: "party_mode", ... }, │ │ { tool: "summon_legend", id: "cz-binance" }, │ │ { tool: "summon_legend", id: "brian-armstrong"│ │ { tool: "auto_match", ... } │ │ ] │ └─────────────────────────────────────────────────┘ Claude picks the best option and executes it! ``` --- ## 👥 The Council of Legends (36 Total) ### 🚀 Tech Titans | Legend | Specialty | |--------|-----------| | **Elon Musk** | First principles, physics thinking, building the impossible | | **Steve Jobs** | Product design, reality distortion, user experience | | **Jeff Bezos** | Day 1 thinking, customer obsession, long-term vision | | **Jensen Huang** | GPUs, AI infrastructure, CUDA everything | | **Satya Nadella** | Enterprise transformation, cloud, culture change | ### 💰 Legendary Investors | Legend | Specialty | |--------|-----------| | **Warren Buffett** | Value investing, compound interest, circle of competence | | **Charlie Munger** | Mental models, multidisciplinary thinking, inversion | | **Ray Dalio** | Principles, radical transparency, macro investing | | **Peter Thiel** | Zero to one, contrarian bets, monopolies | | **Marc Andreessen** | Software eating world, venture capital, tech optimism | ### 🌱 Startup Sages | Legend | Specialty | |--------|-----------| | **Paul Graham** | Essays, YC wisdom, making things people want | | **Sam Altman** | Startups, AI/AGI, scaling companies | | **Naval Ravikant** | Wealth creation, leverage, specific knowledge | | **Reid Hoffman** | Network effects, blitzscaling, LinkedIn | | **Brian Chesky** | Design thinking, Airbnb, company culture | ### ⛓️ Crypto Builders | Legend | Specialty | |--------|-----------| | **CZ (Changpeng Zhao)** | Exchange building, BUIDL, global expansion | | **Vitalik Buterin** | Ethereum, smart contracts, crypto philosophy | | **Anatoly Yakovenko** | Solana, proof of history, performance | | **Balaji Srinivasan** | Network state, crypto predictions, tech trends | *...and 17 more legends including Tim Ferriss, Gary Vaynerchuk, Tobi Lütke, and others!* --- ## 🛠️ All Tools | Tool | Purpose | Example | |------|---------|---------| | `suggest` | 🔮 Proactive recommendations | Analyzes your question, suggests best legend(s) | | `party_mode` | 🎭 Multi-legend discussion | Get 2-5 legends to discuss together | | `summon_legend` | 👤 Single legend advice | Channel one legend's perspective | | `auto_match` | 🎯 Deep legend discovery | Detailed analysis of which legends fit | | `list_legends` | 📋 Browse all legends | See all 36 available legends | | `search_legends` | 🔍 Find by keyword | Search by expertise, name, or topic | | `get_legend_context` | 📖 Deep dive | Get frameworks, principles, examples | | `get_legend_insight` | 💡 Quick wisdom | Get a concise insight on any topic | --- ## 🔒 Security v1.3+ includes security hardening: - ✅ **Prompt injection protection** - User context isolated from system prompts - ✅ **Input sanitization** - Detects and neutralizes injection attempts - ✅ **Safe output encoding** - JSON encoding prevents markdown injection - ✅ **No CWD loading** - Only loads bundled legends (opt-in for custom) - ✅ **No external APIs** - Zero network requests, zero data leakage --- ## 📊 How It Works ``` ┌─────────────────────────────────────────────────────────────┐ │ ARCHITECTURE │ ├─────────────────────────────────────────────────────────────┤ │ │ │ User Question │ │ │ │ │ ▼ │ │ ┌──────────────────┐ │ │ │ suggest() │ ← Analyzes question │ │ │ "Who can help?" │ │ │ └────────┬─────────┘ │ │ │ │ │ ▼ │ │ ┌──────────────────┐ ┌──────────────────┐ │ │ │ party_mode() │ OR │ summon_legend() │ │ │ │ (multi-legend) │ │ (single legend) │ │ │ └────────┬─────────┘ └────────┬─────────┘ │ │ │ │ │ │ ▼ ▼ │ │ ┌──────────────────────────────────────────────┐ │ │ │ legends/*.yaml │ │ │ │ (36 bundled persona files - NO API calls!) │ │ │ └──────────────────────────────────────────────┘ │ │ │ │ │ ▼ │ │ Claude adopts persona(s) and responds in character! │ │ │ └─────────────────────────────────────────────────────────────┘ ``` **Zero external APIs. Zero API keys. Just Claude + persona data.** --- ## 🎯 Usage Examples ### Get startup advice from multiple perspectives ``` "What's the most important thing for a first-time founder?" → Party Mode: Paul Graham + Sam Altman + Brian Chesky discuss ``` ### Deep dive on investing ``` "Should I invest in Bitcoin?" → Warren Buffett (skeptic) vs Balaji (bull) debate ``` ### Technical decisions ``` "How do I scale my database?" → Summon Jeff Bezos for Day 1 / SOA thinking ``` ### Life advice ``` "How do I build wealth?" → Naval Ravikant on leverage, specific knowledge, equity ``` --- ## ⚙️ Environment Variables | Variable | Default | Description | |----------|---------|-------------| | `LEGENDS_MCP_LEGENDS_DIR` | (bundled) | Custom legends directory | | `LEGENDS_MCP_ALLOW_CWD` | `false` | Allow loading from current directory | | `LEGENDS_MCP_DEBUG` | `false` | Enable debug logging | --- ## ⚠️ Disclaimers ``` ⚠️ NOT affiliated with, endorsed by, or representative of any real individual ⚠️ NOT financial, legal, or professional advice ⚠️ AI personas for EDUCATIONAL and ENTERTAINMENT purposes only ⚠️ Based on publicly available information, speeches, and writings ⚠️ Always do your own research (DYOR) ``` The views expressed by these AI personas are **generated interpretations**, not actual statements from the real people. --- ## 🤝 Contributing Want to add a legend? PRs welcome! Each legend needs: - `legends/<name>/skill.yaml` with identity, voice, principles, patterns - Authentic voice based on public knowledge - Clear guardrails (things they'd never say) See existing legends for examples. --- ## 📄 License MIT - Use freely, but include the disclaimers. --- <p align="center"> <b>🏛️ "The best time to get advice from a legend was 20 years ago.<br>The second best time is now."</b> </p> <p align="center"> <a href="https://www.npmjs.com/package/legends-mcp">npm</a> • <a href="https://github.com/cryptosquanch/legends-mcp">GitHub</a> • <a href="https://glama.ai/mcp/servers/legends-mcp">Glama</a> </p>