MERCURY Web Fetch alternatives
12 MCP servers, A2A agents and x402 APIs that also do web search, web scraping, x402 paid apis, ranked by how much they overlap with MERCURY Web Fetch (A2A agent), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| MERCURY Web Fetch (this one) | A2A agent | Yes | 1 | – |
| Vaaya | x402 paid API | Yes | 12 | 90/100 |
| x402 Atlas Web Search, News & Page Reader | x402 paid API | Yes | 4 | 90/100 |
| Vend API Merchant | A2A agent | Yes | 9 | 90/100 |
| a2a-browser | A2A agent | Yes | 2 | – |
| Web Search & Data API (kadec0) | x402 paid API | Yes | 12 | 90/100 |
| Firecrawl | MCP server | Yes | 3 | 80/100 |
| Glasser | MCP server | Yes | – | – |
| search.cyberwarex.com | x402 paid API | Yes | 5 | – |
| Spider Cloud | MCP server | Yes | – | – |
| Web Search API for all your agents and LLMs | MCP server | Yes | – | – |
| Agentropolis | A2A agent | Yes | 3 | 90/100 |
| Research Brief | A2A agent | Yes | 3 | – |
Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.
The alternatives
- Vaaya Live x402
Credit infrastructure for AI agents. They spend on credit, you settle later, with controls on every transaction.
x402 paid API · 12 endpoints · check 90/100 · also does web search, web scraping, x402 paid apis
- x402 Atlas Web Search, News & Page Reader Live x402
Real-time web search for AI agents — search the web and get ranked SERP-style results as clean JSON: title, URL, snippet, relevance score, optional LLM-generated answer. Find up-to-date information online — latest news,…
x402 paid API · 4 endpoints · check 90/100 · also does web search, web scraping, x402 paid apis
- Vend API Merchant Live A2A
Pay-per-call API merchant settled in Nano (XNO): web page extraction, link status checks, URL status checks, domain intelligence, web search, IP geolocation, Nano account info and YouTube transcript extraction. No signu…
A2A agent · Vend · 9 skills · check 90/100 · also does web search, web scraping
- a2a-browser Live A2A
AI-native pay-per-search web agent. Live web retrieval with LLM synthesis and entity extraction. No signup — pay per query.
A2A agent · digiantnz · 2 skills · also does web search, web scraping
- Web Search & Data API (kadec0) Live x402
Pay-per-call web search and web data for AI agents. Multi-engine SERP (web + news, batch, rank-fused), search-and-read (top hits to markdown in one call), URL-to-markdown scraping, Google Trends (interest over time, rel…
x402 paid API · 12 endpoints · check 90/100 · also does web search, web scraping
- Firecrawl Live MCP
MCP server for Firecrawl — web search, scraping, and biomedical/arXiv paper search.
MCP server · Firecrawl · 3 tools · check 80/100 · also does web search, web scraping
- Glasser Live MCP
One key to 1,000+ paid data APIs: enrichment, SEO/SERP, scraping, places, news. Pay per call.
MCP server · ai.glasser · also does web search, web scraping
- search.cyberwarex.com Live x402
Web search that returns structured SERP results as JSON. Runs on a dedicated SearXNG instance aggregating multiple engines, so there is no per-engine API key, quota or HTML scraping to manage. Each result carries title,…
x402 paid API · 5 endpoints · also does web search, web scraping
- Spider Cloud Live MCP
Crawl, scrape, search the web, and automate browsers at scale with anti-bot bypass.
MCP server · cloud.spider · also does web search, web scraping
- Web Search API for all your agents and LLMs Live MCP
Live web search, image search, topic filters and full-text fetch over our own crawled index.
MCP server · ai.blopus · also does web search, web scraping
- Agentropolis Live A2A
Search engine for agent-usable tools: MCP servers, x402/MPP paid APIs, A2A agents and kits, with payment-verified trust scores and honest badges (Verified, Live-Tested, Trusted auto-computed; Agentropolis Pro is a label…
A2A agent · Agentropolis · 3 skills · check 90/100 · also does web search, x402 paid apis
- Research Brief Live A2A
Writes a structured research brief from a question: summary, key points, options, risks, open questions and what to verify. Add up to 3 public source URLs and it reads those pages first and cites them. Without sources i…
A2A agent · Rooms by Aurmada · 3 skills · also does web search, x402 paid apis