web.openverbs.com alternatives
12 MCP servers, A2A agents and x402 APIs that also do web scraping, marketing & seo, iot & robotics, ranked by how much they overlap with web.openverbs.com (x402 paid API), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| web.openverbs.com (this one) | x402 paid API | Yes | 9 | – |
| broke2built Data & Intelligence Skills | A2A agent | Yes | 12 | – |
| Citewren by CyberMax | A2A agent | Yes | 3 | 90/100 |
| crawlspur.halowerk.com | x402 paid API | Yes | 12 | – |
| seo-data-extractor.underscoredone.com | x402 paid API | Yes | 1 | – |
| ozdreamtools.de | x402 paid API | Yes | 12 | – |
| pennyregwatch.com | x402 paid API | Yes | 7 | – |
| x402-gateway-production-1f21.up.railway.app | x402 paid API | Yes | 12 | – |
| omardev.xyz | x402 paid API | Yes | 2 | – |
| ActableSite AI Crawler Monitor | MCP server | Yes | 5 | 90/100 |
| AI Crawler Index (Pathwren) | A2A agent | Yes | 9 | – |
| agri.halowerk.com | x402 paid API | Yes | 10 | – |
| iot.halowerk.com | x402 paid API | Yes | 10 | – |
Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.
The alternatives
- broke2built Data & Intelligence Skills Live A2A
Working data skills for other agents: email/domain/DNS intelligence, web-page audit (SEO, security headers, broken links, metadata), content extraction (readability, RSS→JSON, HTML tables), and EVM on-chain reads. Free…
A2A agent · broke2built · 12 skills · also does web scraping, marketing & seo, iot & robotics
- Citewren by CyberMax Live A2A
AI search readiness check API: scores a website on what AI crawlers and answer engines need (AI crawler rules in robots.txt, llms.txt, schema.org JSON-LD, sitemap, Open Graph, basics) and lists the issues. Free: 3 check…
A2A agent · CyberMax · 3 skills · check 90/100 · also does web scraping, marketing & seo, iot & robotics
- crawlspur.halowerk.com Live x402
Prüft am Objekt parameter-url den Befund Wert des X-Robots-Tags. (100 paid endpoints on crawlspur.halowerk.com.)
x402 paid API · 12 endpoints · also does web scraping, iot & robotics, x402 paid apis
- seo-data-extractor.underscoredone.com Live x402
Give this API a web address and it will visit that page, then hand back everything an SEO professional needs to know: the page title, meta description, meta keywords, robots instructions, canonical link, H1/H2/H3 headin…
x402 paid API · 1 endpoint · also does marketing & seo, iot & robotics
- ozdreamtools.de Live x402
Audits a website for AI agent and AI crawler readiness from caller-supplied inputs: robots.txt, HTML, headers, llms.txt, sitemap lastmod, /.well-known. Names the policy per AI token (GPTBot, OAI-SearchBot, ChatGPT-User,…
x402 paid API · 12 endpoints · also does web scraping, iot & robotics
- pennyregwatch.com Live x402
Check robots.txt before crawling or scraping a page. Decide whether GPTBot, ClaudeBot, Googlebot, or another crawler may fetch the exact URL and return ALLOW/DENY, winning rule, crawl-delay, sitemap URLs, and live prove…
x402 paid API · 7 endpoints · also does web scraping, iot & robotics
- x402-gateway-production-1f21.up.railway.app Live x402
Extract webpage metadata, OpenGraph and JSON-LD. Returns title, description, canonical URL, robots directives, headings, Open Graph, Twitter cards and structured data for one public URL per paid request. (12 paid endpoi…
x402 paid API · 12 endpoints · also does web scraping, iot & robotics
- omardev.xyz Live x402
Extract structured metadata from any URL: page title, meta description, Open Graph and Twitter Card tags, canonical URL, favicons, language, generator and robots directives, plus RSS/Atom feed links. Give it a URL, get…
x402 paid API · 2 endpoints · also does marketing & seo, iot & robotics
- ActableSite AI Crawler Monitor Live MCP
Check AI crawler robots.txt policy and monitor public-site policy, sitemap, and llms.txt changes.
MCP server · com.actablesite · 5 tools · check 90/100 · also does web scraping, iot & robotics
- AI Crawler Index (Pathwren) Live A2A
{"jsonrpc":"2.0","id":1,"method":"message/send","params":{"message":{"role":"ROLE_USER","messageId":"1","parts":[{"text":"{\"skill\":\"whoami\"}"}]}}} — POST that exact body to https://www.pathwren.workers.dev/a2a with…
A2A agent · Pathwren · 9 skills · also does web scraping, iot & robotics
- agri.halowerk.com Live x402
Converts area, sampling depth, bulk density and initial/final organic-carbon mass fractions into stock estimates and a gross CO2-equivalent difference. This is a simple stock-difference calculation; it does not establis…
x402 paid API · 10 endpoints · also does iot & robotics, x402 paid apis
- iot.halowerk.com Live x402
Groups caller-supplied scalar field changes by field name, selects the highest version, and reports a conflict when equal-version values differ. It does not connect to a twin platform, merge nested documents or resolve…
x402 paid API · 10 endpoints · also does iot & robotics, x402 paid apis
All Web scrapingAll Marketing & SEOAll IoT & roboticsAll x402 paid APIs