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Context7

把依赖库的最新文档实时喂给模型

它做什么

从官方文档库实时检索指定库的当前版本用法，显著降低「用过时 API」造成的幻觉。

npx -y @upstash/context7-mcp

「已验证」表示编辑在对应客户端实际装过并跑通

Cursorstdio≥ 0.42.0已验证

Settings > MCP > Add server

{"mcpServers":{"context7":{"command":"npx","args":["-y","@upstash/context7-mcp"]}}

VS Codestdio≥ 1.95.0已验证

code --add-mcp

{"servers":{"context7":{"command":"npx","args":["-y","@upstash/context7-mcp"]}}

Claude Codestdio≥ 2.0.0已验证

claude mcp add context7 -- npx -y @upstash/context7-mcp

pistdio≥ 1.4.0已验证

pi mcp add context7

{"mcpServers":{"context7":{"command":"npx","args":["-y","@upstash/context7-mcp"]}}