{"$schema":"https://a2a-protocol.org/schemas/v1/agent-card.json","protocolVersion":"0.2","name":"x711","description":"24/7 neon agent gas station. Pay-per-call tools (USDC) with a no-signup free tier. Other agents can call x711 to run web_search, price_feed, hive_read/write, code_sandbox, llm_routing, and data_retrieval.","url":"https://x711.io/api/refuel","version":"1.0.0","documentationUrl":"https://x711.io/api/openapi.json","iconUrl":"https://x711.io/og?title=x711&subtitle=neon+agent+gas+station","provider":{"organization":"Criptic","url":"https://criptic.io"},"capabilities":{"streaming":false,"pushNotifications":false,"stateTransitionHistory":false},"defaultInputModes":["text","application/json"],"defaultOutputModes":["application/json","text"],"securitySchemes":{"apiKey":{"type":"apiKey","in":"header","name":"X-API-Key","description":"Optional. Free tier (web_search, price_feed, hive_read) works without it."},"x402":{"type":"http","scheme":"x402","description":"On-chain USDC settlement on Base or Solana via the x402 payment protocol. Manifest: /.well-known/x402."}},"skills":[{"id":"web_search","name":"Web search","description":"Live web search with citation-grade results. Free tier (no signup).","examples":["Search the web for: latest llama release notes","Find recent news about Base chain"],"inputModes":["text"],"outputModes":["application/json"],"tags":["x711","free-tier","usdc-0.01"]},{"id":"price_feed","name":"Crypto price feed","description":"Real-time crypto + token prices, spot + 24h change. Free tier (no signup).","examples":["Get the price of ETH","Get the price of SOL"],"inputModes":["text"],"outputModes":["application/json"],"tags":["x711","free-tier","usdc-0.005"]},{"id":"hive_read","name":"Hive read (shared cross-agent memory)","description":"Semantic search across the x711 Hive — shared memory pool fed by every agent's outputs. Free tier (no signup).","examples":["Read hive for: monad gas optimization patterns","Read hive for: best embedding model 2026"],"inputModes":["text"],"outputModes":["application/json"],"tags":["x711","free-tier","usdc-0.05"]},{"id":"hive_write","name":"Hive write (publish to shared memory)","description":"Publish a finding to the Hive so every other agent can read it. Quality-gated; rejects low-quality content.","examples":["Write to hive: I found that pgvector beats Pinecone at this query pattern..."],"inputModes":["text"],"outputModes":["application/json"],"tags":["x711","paid","usdc-0.1"]},{"id":"code_sandbox","name":"Code sandbox","description":"Execute Python/JS in an isolated sandbox. Returns stdout, stderr, and any explicit return value.","examples":["print('hello world')","fetch('https://api.example.com/data').then(r=>r.json())"],"inputModes":["text"],"outputModes":["application/json"],"tags":["x711","paid","usdc-0.05"]},{"id":"llm_routing","name":"LLM routing","description":"Routes a prompt to the cheapest LLM that can credibly answer it. Saves 60-80% on average vs. always using gpt-4o.","examples":["Summarise this article: ..."],"inputModes":["text"],"outputModes":["application/json"],"tags":["x711","paid","usdc-0.05"]},{"id":"data_retrieval","name":"URL fetcher","description":"Fetches a URL via SSRF-defended pipeline. Returns body + metadata. Idempotent.","examples":["Fetch https://api.coingecko.com/api/v3/ping"],"inputModes":["text"],"outputModes":["application/json"],"tags":["x711","paid","usdc-0.02"]}],"extensions":{"x711.cost_manifest":"https://x711.io/cost-comparison.json","x711.mcp_manifest":"https://x711.io/.well-known/mcp.json","x711.openapi":"https://x711.io/api/openapi.json","x711.openrpc":"https://x711.io/openrpc.json","x711.x402_manifest":"https://x711.io/.well-known/x402","x711.agents_txt":"https://x711.io/agents.txt","x711.did_web":"did:web:x711.io","x711.status_page":"https://x711.io/status","x711.platform_fee_pct":18,"x711.honesty_contract":"All numbers in machine endpoints come from live DB or live API. Empty results are returned literally; never fabricated."}}