KI-Agent ruft Börsenschlussdaten ab - Marketstack Tool MCP Server

• •KI-Service API Key (z.B. OpenAI, Anthropic)

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        "content": "## 🛠️ Marketstack Tool MCP Server\n\n### 📋 Available Operations (3 total)\n\n**Endofdaydata**: get all\n**Exchange**: get\n**Ticker**: get\n\n### ⚙️ Setup Instructions\n\n1. **Import Workflow**: Load this workflow into your n8n instance\n\n1. **🔑 Add Credentials**: Configure Marketstack Tool authentication in one tool node then open and close all others.\n2. **🚀 Activate**: Enable this workflow to start your MCP server\n3. **🔗 Get URL**: Copy webhook URL from MCP trigger (right side)\n4. **🤖 Connect**: Use MCP URL in your AI agent configurations\n\n### ✨ Ready-to-Use Features\n\n• Zero configuration - all 3 operations pre-built\n• AI agents automatically populate parameters via `$fromAI()` expressions\n• Every resource and operation combination available\n• Native n8n error handling and response formatting\n• Modify parameter defaults in any tool node as needed\n\n### 💬 Need Help?\nCheck the [n8n documentation](https://docs.n8n.io/integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.toolmcp/) or ping me on [discord](https://discord.me/cfomodz) for MCP integration guidance or customizations."
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        "content": "## Exchange"
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        "content": "## Ticker"
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