python-sdk vs mcp
python-sdk: The MCP Python SDK provides a robust implementation of the Model Context Protocol, enabling developers to build secure, standardized servers that expose data and functionality to LLM applications. It also includes a client library for connecting to any MCP server, supporting various standard transports like stdio, Streamable HTTP, and SSE.; mcp: Twelve Data MCP Server connects AI assistants like Claude and ChatGPT to the Twelve Data financial API, offering real-time and historical prices, technical indicators, fundamentals, and market news. Users can access comprehensive financial data to enhance their AI assistant's capabilities for market analysis and inquiries.
TL;DR
- You want the official, MIT-licensed reference Python SDK maintained directly by the Model Context Protocol project.
- You need full low-level control over MCP primitives (resources, prompts, tools, sampling) and standard transports (stdio, SSE, Streamable HTTP).
- You want higher-level conveniences like automatic client composition or less decorator boilerplate; FastMCP wraps the protocol with extra ergonomics.
- You are exposing an existing GraphQL or FastAPI backend where a gateway or adapter (Grafbase or FastAPI-MCP) requires no manual tool code.
Retrieve Real-time Stock, ETF, Forex, and Crypto Prices
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