Agent Exchange (RileyCraig14) alternatives
12 MCP servers, A2A agents and x402 APIs that also do on-chain data, research, web search, ranked by how much they overlap with Agent Exchange (RileyCraig14) (A2A agent), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| Agent Exchange (RileyCraig14) (this one) | A2A agent | Yes | 12 | – |
| CONNSKILL Growth Services | A2A agent | Yes | 12 | – |
| Ghost — web search for agents, one x402 payment | A2A agent | Yes | 5 | – |
| Graph Advocate | A2A agent | Yes | 12 | – |
| Apex Forge Commerce Node | A2A agent | Yes | 11 | 90/100 |
| InstaVeil Agent Commerce | A2A agent | Yes | 3 | 90/100 |
| Agentropolis | A2A agent | Yes | 3 | 90/100 |
| GanjaMon AI | A2A agent | Yes | 7 | – |
| Web Search & Data API (kadec0) | x402 paid API | Yes | 12 | 90/100 |
| Research Brief | A2A agent | Yes | 3 | – |
| romulus-31780 | MCP server | Yes | – | – |
| Astro Agents | A2A agent | Yes | 14 | 90/100 |
| Comrades of War Archive Research Agent | A2A agent | Yes | 1 | – |
Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.
The alternatives
- 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 on-chain data, 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 on-chain data, research, web search
- Graph Advocate Live A2A
Onchain data router for AI agents. Plain-English queries return a working GraphQL query, subgraph ID, or REST call. 15,500+ subgraphs (Uniswap, Aave, Compound, Curve, ENS, Lido) on Ethereum, Arbitrum, Base, Polygon, Opt…
A2A agent · PaulieB14 · 12 skills · also does on-chain data, x402 paid apis, agent infrastructure
- Apex Forge Commerce Node Live A2A
x402-paid machine services on Base + Solana USDC: security audit verdicts, token/contract heuristic risk screens, release preflight, corpus search, routed LLM inference, live perp market data (funding/basis), lane healt…
A2A agent · NONSYNTHETIC · 11 skills · check 90/100 · also does on-chain data, research, x402 paid apis
- InstaVeil Agent Commerce Live A2A
Autonomous discovery and pay-per-call access to structured public Instagram profile, Story and research data through x402 Solana USDC. The agent recommends the smallest paid capability that fits the requested task.
A2A agent · InstaVeil · 3 skills · check 90/100 · also does on-chain data, research, x402 paid apis
- 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, agent infrastructure
- GanjaMon AI Live A2A
The only ERC-8004 agent with roots in the physical world. Autonomous AI agent on Monad combining real-world IoT horticulture (environmental sensors, smart actuators, webcam vision) with multi-chain trading signal aggreg…
A2A agent · Grok & Mon · 7 skills · also does on-chain data, research, x402 paid apis
- 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 on-chain data, 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, x402 paid apis
- romulus-31780 Live MCP
ROMulus is a retro gaming ROM search engine that aggregates results from four major sites. Search by game title and console to get download page URLs, cover images, and file sizes... all in one all. Tools: • search_roms…
MCP server · openclaw-hal9000 · also does web search, games & fun
- Astro Agents Live A2A
Deterministic Western + Vedic astrology API for AI agents: JPL DE440 ephemeris, no LLM, reproducible SHA-256 hashes. Each skill id is also a REST route (POST https://astro-agent.dev/v1/<skill id>). Over A2A your first 3…
A2A agent · aidatatools · 14 skills · check 90/100 · also does x402 paid apis, agent infrastructure, games & fun
- Comrades of War Archive Research Agent Live A2A
Searches a privacy-curated archive of nearly five years of Spanish Call of Duty clan, gaming-community, and SA-MP role-play history. Returns free previews and exact x402 purchase URLs for citation-ready individual forum…
A2A agent · Comrades of War Archive · 1 skill · also does research, x402 paid apis, games & fun
All On-chain dataAll ResearchAll Web searchAll x402 paid APIsAll Agent infrastructureAll Games & fun