网页抓取工具。抓取网页内容并提取结构化数据，支持 HTML 解析、文本提取、内容摘要、变化检测（diff模式）。适用于"抓取XX网页"、"提取XX内容"、"解析XX网站"、"获取XX信息"、"监控XX页面变化"等查询。支持超时控制、字符数限制、单页/多页抓取。
Fetch a URL and extract title + text snippet. Optional diff mode.
JSON string.
JSON with title/snippet. If mode=diff, includes changed flag.
{"url":"https://example.com","mode":"diff","storePath":"sessions/web-monitor/index.json"}
{"urls":["https://example.com","https://example.org"],"mode":"summarize","maxSentences":3}
Search for places (restaurants, cafes, etc.) via Google Places API proxy on localhost.
Interact with GitHub using the `gh` CLI. Use `gh issue`, `gh pr`, `gh run`, and `gh api` for issues, PRs, CI runs, and advanced queries.
Create or update AgentSkills. Use when designing, structuring, or packaging skills with scripts, references, and assets.
Start voice calls via the OpenClaw voice-call plugin.
Notion API for creating and managing pages, databases, and blocks.
Gemini CLI for one-shot Q&A, summaries, and generation.
Category:developer