# wordradar

> Keyword radar for indie SEO hackers. A million-suggest ledger catches new keywords
> the day they first appear; HN-launched sites, SERP difficulty scores and Trends
> risers ship over REST and MCP for AI agents.

Machine surfaces:
- MCP server: POST https://www.wordradar.dev/mcp (JSON-RPC, Streamable HTTP; Bearer API key, ledger_pulse/get_usage open)
- OpenAPI spec: GET https://www.wordradar.dev/api/v1/openapi.json (all 15 public endpoints, credit costs, auth)
- REST API: https://www.wordradar.dev/docs (human reference; base path /api/v1)
- Agent instructions (when-to-use): https://www.wordradar.dev/AGENTS.md
- Free public endpoints: GET https://www.wordradar.dev/api/v1/ledger/pulse
- Sitemap: https://www.wordradar.dev/sitemap.xml

Contact: support@wordradar.dev

## Pages
- [wordradar home](https://www.wordradar.dev/): Keyword radar for indie SEO: emerging keyword ledger, HN site radar, SERP difficulty, REST + MCP.
- [wordradar 首页](https://www.wordradar.dev/zh/): 独立出海人的关键词雷达：新词账本、HN 新站雷达、SERP 难度，REST 与 MCP 双通道。
- [Live radar leaderboards](https://www.wordradar.dev/radar): Five free Top-20 leaderboards: new keywords, HN sites, Stripe referrals, checkouts, Buy-Me-a-Coffee.
- [实时雷达榜单](https://www.wordradar.dev/zh/radar): 五张免费 Top 20 榜单：新词、HN 新站、Stripe 推荐、大额 checkout、Buy-Me-a-Coffee。
- [About & contact](https://www.wordradar.dev/about): Indie-built in public; contact everything via support@wordradar.dev (no GitHub issues for support).
- [关于与联系](https://www.wordradar.dev/zh/about): 独立开发公开构建；一切联系走 support@wordradar.dev（支持不走 GitHub issue）。
- [Keyword statistics (open data)](https://www.wordradar.dev/keyword-statistics): Cite-ready corpus statistics: new-word counts per period, growth timeline, lifecycle and topic distribution.
- [关键词统计（公开数据）](https://www.wordradar.dev/zh/keyword-statistics): 可引用的语料统计：每期新词量、增长时间线、生命周期与方向分布。
- [Free website technology checker](https://www.wordradar.dev/tech-lookup): Enter any domain and see what it is built with: CMS, builder, framework, CDN, hosting, analytics, payments.
- [免费网站技术栈检测](https://www.wordradar.dev/zh/tech-lookup): 输入任意域名免费检测技术栈：CMS、建站平台、前端框架、CDN、托管、统计与支付组件。
- [Blog](https://www.wordradar.dev/blog): Build-in-public notes: scoring weights, ledger methodology, launch numbers.
- [博客](https://www.wordradar.dev/zh/blog): 公开构建笔记：评分权重、账本方法论、上线数据。
- [Why we publish our scoring weights](https://www.wordradar.dev/blog/why-we-publish-our-scoring-weights): The KD scoring formula, every input weight, and how to reproduce it.
- [为什么公开评分权重](https://www.wordradar.dev/zh/blog/why-we-publish-our-scoring-weights): KD 评分公式、每个输入权重与复现方法。
- [Changelog](https://www.wordradar.dev/changelog): Every release, dated: boards, ledger coverage, API/MCP changes.
- [更新日志](https://www.wordradar.dev/zh/changelog): 每次发布逐条带日期：榜单、账本覆盖、API 与 MCP 变更。
- [Roadmap](https://www.wordradar.dev/roadmap): What is in progress and what ships next.
- [路线图](https://www.wordradar.dev/zh/roadmap): 正在进行与接下来要发布的。
- [Join the beta](https://www.wordradar.dev/waitlist): Invite-only beta access with founding-user bonus credits.
- [加入内测](https://www.wordradar.dev/zh/waitlist): 邀请制内测入场，早期用户加赠 credits。