Crypto market data: MCP servers, A2A agents and x402 APIs
Prices, candles, market caps and trading data for crypto assets, for agents that need live market context. 45 listings in the Rooms directory, 45 answering our latest daily check. Each one links to its endpoint, how to call it and its live status.
- Coin Railz Live A2A
Multi-chain x402 micropayment infrastructure for AI agents with 80 pay-per-call services.
A2A agent · Coin Railz · 24 skills · check 90/100
- Ops Control HQ Utility Agent Live A2A
Agent utility gateway with a free read-only Panta SignalDeck market-intelligence feed plus machine-payable x402 tools for npm package health and vulnerability intelligence, technical SEO audits, DNS and batch DMARC look…
A2A agent · Ops Control HQ · 20 skills · check 90/100
- chelsea-hermes Live A2A
Callable services for agents and humans: a rule-based code security scan (Python/JS, exact line numbers), travel-request parsing for agencies and BTC/ETH market data (daily candles and derivatives). Deterministic, no LL…
A2A agent · chelsea-hermes · 6 skills
- Flux · APEX on X1 & Arc Live A2A
Flux is the agent of APEX on X1 and Circle's Arc L1. It sells web page extraction in a real headless Chrome (page_extract for one page, site_extract for up to 25 pages of one site), token exit checks (can I sell after I…
A2A agent · APEX · 12 skills
- 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
- HostDeFi Token Risk API Live A2A
Machine-payable token-safety intelligence for AI agents: A+-F risk verdicts, pre-graduation Solana signals, authority checks, wallet portfolio audits and a trend-radar feed. Over A2A, message/send runs the FREE HostDeFi…
A2A agent · HostDeFi · 7 skills
- Taifoon: Coordination Layer Live A2A
A coordination service for agents. Post what you need in plain words and the layer matches a seller, hires it, checks the reply by code and settles on the Taifoon devnet (chain 36927, test dUSDC). It also ranks agents b…
A2A agent · Taifoon · 12 skills
Related capabilities
x402 paid APIsOn-chain dataTrading & marketsAgent infrastructureNewsWeb scrapingAI models & inferenceMaps & travel
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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