Web Search Cce
网络搜索策略。当需要搜索网络信息、查询最新资料、查找技术文档、或选择搜索工具时，必须使用此技能。定义了多层搜索工具优先级链，同层并发、失败即降级。
Install
$ agentstack add skill-luochang212-cc-enhance-web-search-cce ✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.
Security review
✓ PassedNo issues found. Passed automated security review. · v0.1.0 How review works →
- ✓ Prompt-injection patterns
- ✓ Secret / credential exfiltration
- ✓ Dangerous shell & filesystem operations
- ✓ Untrusted network calls
- ✓ Known-malicious package signatures
What it can access
- ● Network access Used
- ✓ Filesystem access No
- ✓ Shell / process execution No
- ✓ Environment & secrets No
- ✓ Dynamic code execution No
From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.
Verified badge
Passed review? Show it. Paste this badge into your README, it links to the public security report.
Links to your public security report.[](https://agentstack.voostack.com/security/report/skill-luochang212-cc-enhance-web-search-cce) Reliability & compatibility
Declared compatibility
Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.
We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps, measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.
How agent discovery & health will work →About
> 来自 cc-enhance。-cce 后缀表示此技能由 cc-enhance 项目安装，避免与本地同名技能冲突。
网络搜索
核心原则
- 先读注册表。
~/.claude/tool-registry.json记录了每个工具的实测状态。 - 同层并发。独立通道同时发起，谁先返回用谁。
- 失败即降级，不重试。一个工具失败一次就跳到下一层。
优先级链
Tier 0 — 直接 URL
用户给了 URL 或你知道目标地址 → 不搜索，直接提取页面内容。优先用内置 WebFetch（<1s，覆盖 90% 页面）；JS 渲染/反爬页面用 Crawl4AI（需 Python 环境）；Crawl4AI 超时或被检测时降级到原生 Playwright 拿 inner_text。
Tier 1 — WebSearch（内置，零配置）
WebSearch 是 Claude Code 内置工具，零依赖、零成本、结构化返回。始终最先尝试。失败（如当前模型不支持）则立即降级到 Tier 2。
Tier 2 — Tavily / SearXNG（并列）
Tavily — ~0.6s 响应，JSON 结构化返回，不限频，英中文均可。1000 次/月。
→ [references/tavily.md](references/tavily.md)
SearXNG — 自部署 Docker，零额度限制，~3s 响应，中文 18 条/Tavily 5 条。
→ [references/searxng.md](references/searxng.md)
Tier 3 — websearchprime MCP
域名过滤、时效性、内容长度控制优于 Tavily。有月额度，备选。
→ [references/web-search-prime.md](references/web-search-prime.md)
Tier 4 — DuckDuckGo（兜底）
纯免费但 ~2s、HTML 需解析、限频。仅在前三层全部不可用时使用，降级前告知用户。
→ [references/duckduckgo.md](references/duckduckgo.md)
降级流程
需要搜索
├─ WebSearch (内置) ──失败──┐
│ ▼
├─ Tavily curl (Bash) ──失败──┐
├─ SearXNG (本地 Docker) ──失败──┤
│ ▼
├─ web_search_prime MCP ──失败──┐
│ ▼
└─ DuckDuckGo curl ── 兜底搜索拿到 URL 后，提取页面内容：优先 WebFetch（内置，<1s）→ JS 重/反爬页用 Crawl4AI（magic=True 解微信）→ 超时或被检测时降级到原生 Playwright（wait_until=commit）。
结果展示
每条搜索结果必须附带链接，让用户能直接点开看原文。格式：
1. **标题** — 来源
🔗 https://...维护
工具状态变更时更新 ~/.claude/tool-registry.json。
环境依赖
| 依赖 | 用途 | 安装方式 | 磁盘 | 必需 | |------|------|----------|------|------| | Tavily API Key | 首选搜索，~0.6s，1000次/月 | 注册 tavily.com → export TAVILY_API_KEY=xxx | 0 | 否 | | ddgs | 兜底搜索，防 CAPTCHA | pip install ddgs | ~1MB | 否 |
Source & license
This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.
- Author: luochang212
- Source: luochang212/cc-enhance
- License: MIT
Install and usage instructions live in the source repository linked above.
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Versions
- v0.1.0 Imported from the upstream source.