模型自动降级与故障切换。当主模型请求失败、超时、达到速率限制或配额耗尽时,自动切换到备用模型,确保服务连续性。支持多供应商、多优先级的智能模型选择,提供健康监控、自动重试和错误恢复机制。
Scanned 9/4/2026
Install to Claude Code
npx -y skills add NeverSight/skills_feed --skill model-fallback --agent claude-codeInstalls into .claude/skills of the current project.
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---
name: model-fallback
description: "模型自动降级与故障切换。当主模型请求失败、超时、达到速率限制或配额耗尽时,自动切换到备用模型,确保服务连续性。支持多供应商、多优先级的智能模型选择,提供健康监控、自动重试和错误恢复机制。"
license: MIT
metadata:
version: 1.0.0
domains: [reliability, model-management, fault-tolerance]
type: system
---
# 模型自动降级与故障切换
## 当使用此技能
- 模型请求失败
- API 超时
- 达到速率限制
- 配额耗尽
- 需要确保服务连续性
## 工作原理
1. **监控**: 检测模型请求状态
2. **判断**: 识别失败类型(超时/限额/错误)
3. **切换**: 自动降级到备用模型
4. **重试**: 失败请求自动重试
5. **恢复**: 主模型恢复后自动切回
## 多供应商支持
- 优先级配置
- 跨供应商故障转移
- 智能负载均衡
## 错误类型
- **超时**: 切换到更快模型
- **限额**: 切换到有配额模型
- **错误**: 切换到不同供应商
## 触发词
- "模型降级"
- "自动切换"
- "模型故障"
- "API 失败"
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Designs system architecture, component specifications, and technical integration strategy. Use when: designing solutions, system architecture, technology stack, or integration approaches.