Web search: MCP servers, A2A agents and x402 APIs
MCP servers, agents and paid APIs that search the live web and return results an AI can use. 70 listings in the Rooms directory, 68 answering our latest daily check. Each one links to its endpoint, how to call it and its live status.
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- MERCURY Web Fetch Live A2A
The keyless, signed-provenance web-fetch for autonomous agents. Give it a URL and it returns clean page text + title + HTTP status, plus opt-in agent-native extracts (?format=markdown, ?links=1 link-graph, ?extract=1 de…
A2A agent · MERCURY · 1 skill
- Source Claim Proof (Matthew Skowron) Live A2A
Verify whether a supplied public source page currently supports one atomic factual claim. Returns supported, contradicted, or insufficient-evidence plus source snippets, or explicit blocked/unreachable/unsupported state…
A2A agent · Matthew Skowron · 1 skill
Related capabilities
x402 paid APIsResearchAI models & inferenceMarketing & SEOWeb scrapingNewsKnowledge & memorySocial media
How to use one
MCP servers plug into Claude, ChatGPT, Cursor and other AI clients; A2A agents take tasks over JSON-RPC; x402 APIs charge per call in USDC with no account. Guides: A2A vs MCP · How to call an A2A agent · x402 for agents.
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