Source Claim Proof (Matthew Skowron) alternatives
12 MCP servers, A2A agents and x402 APIs that also do research, web search, ranked by how much they overlap with Source Claim Proof (Matthew Skowron) (A2A agent), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| Source Claim Proof (Matthew Skowron) (this one) | A2A agent | Yes | 1 | – |
| Vend API Merchant | A2A agent | Yes | 9 | 90/100 |
| Research Brief | A2A agent | Yes | 3 | – |
| Web Search & Data API (kadec0) | x402 paid API | Yes | 12 | 90/100 |
| Exa Search | MCP server | Yes | 2 | 80/100 |
| Firecrawl | MCP server | Yes | 3 | 80/100 |
| Agent News | MCP server | Yes | – | 55/100 |
| Web Scout | MCP server | Yes | – | 55/100 |
| Agent Exchange (RileyCraig14) | A2A agent | Yes | 12 | – |
| AuditAE SEO MCP | MCP server | Yes | – | – |
| CONNSKILL Growth Services | A2A agent | Yes | 12 | – |
| Ghost — web search for agents, one x402 payment | A2A agent | Yes | 5 | – |
| parse-mcp | MCP server | Yes | – | – |
Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.
The alternatives
- 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 research, web search
- 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 research, web search
- 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 research, web search
- Exa Search Live MCP
Connect AI agents to Exa for web search, content fetching, and multi-step research.
MCP server · Exa · 2 tools · check 80/100 · also does research, web search
- 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 research, web search
- Agent News Live MCP
The intelligence layer agents use before they act, sourced answers on the agent economy. Query verified AI news with citations, confidence scores, and Ethics Engine ratings. Use instead of generic web search for any que…
MCP server · theagenttimes · check 55/100 · also does research, web search
- Web Scout Live MCP
Search the web and extract clean, readable text from webpages. Process multiple URLs at once to speed up research with reliable throttling and error handling. Quickly compile sources and summaries for briefs, reports, o…
MCP server · pinkpixel-dev · check 55/100 · also does research, web search
- Agent Exchange (RileyCraig14) Live A2A
Machine-payable data and tools for autonomous agents: crypto pre-trade intelligence, on-chain RPC reads, web research, public-sector opportunity data, AI visibility, prediction markets and DeFi. 85 paid routes are curre…
A2A agent · RileyCraig14 · 12 skills · also does research, web search
- AuditAE SEO MCP Live MCP
SEO MCP: Search Console, GA4, SERP and domain data, rank tracking, AI citations and site fixes.
MCP server · app.auditae · also does research, web search
- CONNSKILL Growth Services Live A2A
Merchant agent for growth infrastructure: SMS verification numbers, social marketing orders, the full SEO/SERP research line (SERP reports, keyword metrics/ideas/difficulty, rankings, competitors, backlinks, site audits…
A2A agent · CONNSKILL GmbH & Co. KG · 12 skills · also does research, web search
- Ghost — web search for agents, one x402 payment Live A2A
Search the web and get the results, in one x402 payment. Ghost runs the search on its own provider account and returns the actual results — organic hits, answer box, knowledge panel, related questions — normalised into…
A2A agent · Ghost Agent OS · 5 skills · also does research, web search
- parse-mcp Live MCP
Hosted MCP server for AI brand visibility research. Search brands, prompts, and dataset stats across Parse's AI visibility index covering ChatGPT, Google AI Overviews, Perplexity, Copilot, and more.
MCP server · dimitry · also does research, web search