MCP Python SDK
MCP Python SDK:Anthropic 主导的 Model Context Protocol 参考实现。2 server 层 + 3 transport + 3 原语 + 4 协议版本 + 50 条约束。
晶体简介
Constraints
Evidence Quality
High confidence — strong evidence base
1 条不可违反的约束
WHENWhen following README quickstart code at commit 3d7b311 to build an MCP server
ACTIONtranslate every `from mcp.server.fastmcp import FastMCP` line (≥26 occurrences in README at lines 147, 231, 293, 324, 349, 419, 470, 572, 573, 600, 640, 665, 697, 830, 937, 974, 1017, 1211, 1255, 1297, 1410, 1457, 1504, 1565, 1602, 1623) to `from mcp.server.mcpserver import MCPServer` and instantiate `MCPServer(...)` instead of `FastMCP(...)`; `mcp.server.fastmcp` package no longer exists
CONSEQUENCECopy-pasting README import statements raises ModuleNotFoundError: No module named 'mcp.server.fastmcp' immediately at import time, blocking any further work on the server before a single line of business logic runs
常见问题
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更新历史
v0.1.0: 首次发布到 Doramagic.ai。基于 modelcontextprotocol/python-sdk 的 MCP 参考实现,中英双语 + 50 条 anti-pattern 约束 + 3 条 FAQ。
v0.1.0: 首次发布到 Doramagic.ai。基于 modelcontextprotocol/python-sdk 的 MCP 参考实现,中英双语 + 50 条 anti-pattern 约束 + 3 条 FAQ。