目录 / # key-guard A local MCP server that keeps API keys off Claude's servers. ## Why This Exists When Claude reads a file containing an API key, the raw key content gets sent to Claude's servers. key-guard prevents this by acting as a local middleman — Claude calls a tool, the tool reads the key and makes the API call locally, and only the result is returned to Claude.
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# key-guard A local MCP server that keeps API keys off Claude's servers. ## Why This Exists When Claude reads a file containing an API key, the raw key content gets sent to Claude's servers. key-guard prevents this by acting as a local middleman — Claude calls a tool, the tool reads the key and makes the API call locally, and only the result is returned to Claude.
Security guardrail: prevents API keys from being sent to Claude. Triggers when user asks to call an external API, use a key, check credentials, read .env fil...
模型生成摘要（rules/v1 · 2026-09-22 07:04）：Security guardrail: prevents API keys from being sent to Claude
这是模型对公开材料的总结，不是官方声明，请以原链内容为准。
这是模型对公开材料的总结，不是官方声明，请以原链内容为准。
存档时间线
| 版本 | 存档时间 | 内容哈希 | 内容 |
|---|---|---|---|
| v1 | 2026-09-22 07:02 | d8e2a0a2 | 可取 |
版本索引永久保留；内容副本只保留最近 2 版，更早版本仅留索引与哈希（存档时间线的证据链不会因此断裂）。
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