AI Hub

{
  "protocolVersion": "1.0",
  "name": "AI Hub",
  "description": "GPT-5.6 Soul chat is $0.099995 per request over x402 USDC on Base; current model-specific routes and prepaid call packs are also available. Market benchmark: the latest local x402.direct sample found AI-like listing prices with p25 around $0.01 and median around $0.03 per call; this gateway publishes GPT-5.6 Soul at $0.099995 and model-specific prices at /pricing.json. GPT-5.6 Soul is $0.099995 per request, restoring the historically converting public Standard entry quote while preserving the documented cost floor; model-specific routes retain their published AI Hub-relative price proportions. Service hub: https://gpt55.558686.xyz/x402/service and https://gpt55.558686.xyz/x402/service.json. Discovery assets: https://gpt55.558686.xyz/openapi.json, https://gpt55.558686.xyz/llms.txt, https://gpt55.558686.xyz/tools.json, https://gpt55.558686.xyz/apis.json, https://gpt55.558686.xyz/directory-submission.json. Agent and MCP metadata: https://gpt55.558686.xyz/.well-known/agent-card.json, https://gpt55.558686.xyz/.well-known/ai-catalog.json, https://gpt55.558686.xyz/.well-known/mcp/server-card.json, https://gpt55.558686.xyz/server.json. Integration hub: https://gpt55.558686.xyz/integrations and https://gpt55.558686.xyz/integrations.json. Best for agents that need one-call GPT-5.6 Soul access without API-key onboarding or subscription setup. Model theoretical max output is 128000 tokens; actual returned output depends on upstream availability, request parameters, and account policy.",
  "author": "gpt55-token-gateway",
  "wellKnownURI": "https://gpt55.558686.xyz/.well-known/agent-card.json",
  "url": "https://gpt55.558686.xyz/a2a",
  "version": "1.0.0",
  "provider": {
    "organization": "ai-hub",
    "url": "https://gpt55.558686.xyz/"
  },
  "documentationUrl": "https://gpt55.558686.xyz/llms.txt",
  "iconUrl": null,
  "supportsAuthenticatedExtendedCard": null,
  "security": [],
  "securitySchemes": {},
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": false,
    "extensions": null
  },
  "defaultInputModes": [
    "application/json"
  ],
  "defaultOutputModes": [
    "application/json"
  ],
  "skills": [
    {
      "id": "gpt55-chat-completions",
      "name": "GPT-5.6 Soul Chat Completions",
      "description": "Generate responses from the OpenAI-compatible GPT-5.6 Soul endpoint. Price: $0.099995 USDC per request via x402 on Base. Use for summarize text, translate text, answer question, rewrite text, context QA, and short agent responses.",
      "tags": [
        "ai",
        "llm",
        "gpt-5.5",
        "chat",
        "openai-compatible",
        "x402",
        "base-usdc",
        "x402-chat",
        "openai-compatible-chat",
        "pay-per-request",
        "agent-tool",
        "summarize",
        "summarization",
        "tldr",
        "translate",
        "translation",
        "rewrite",
        "editing",
        "grammar",
        "question-answering",
        "qa",
        "context-qa",
        "text-processing",
        "code-review",
        "debugging",
        "json",
        "url-metadata",
        "url-text",
        "url-links",
        "x402-audit",
        "api-audit",
        "buyer-readiness",
        "openapi-audit",
        "http-status",
        "redirect-check",
        "web-metadata",
        "web-scraping",
        "link-extraction",
        "crawler",
        "text-extraction",
        "data-extraction",
        "json-validate",
        "validation",
        "hash",
        "base64",
        "jwt",
        "timestamp",
        "url-parse",
        "querystring",
        "regex",
        "slugify",
        "case-convert",
        "uuid",
        "text-stats",
        "line-diff",
        "structured-output",
        "microtask",
        "rewriting",
        "coding-help"
      ],
      "examples": [
        "Summarize this paragraph in one sentence.",
        "Translate this short message.",
        "Answer this question concisely."
      ],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    },
    {
      "id": "gpt55-translate",
      "name": "Translate",
      "description": "Translate short text, messages, notes, and snippets to a requested target language for agent workflows, localization, bilingual support replies, and quick multilingual output. Standard quality tier uses gpt-5.6-luna; price is derived from official OpenAI relative token costs with a local margin and floor. Price: $0.00293 USDC per request via x402 on Base. Requested output limit: 64 tokens. Model: gpt-5.6-luna. Buyer search phrases: translate text, cheap translation, localization, bilingual support reply, multilingual agent output, x402 paid tool.",
      "tags": [
        "ai",
        "llm",
        "gpt-5.5",
        "chat",
        "openai-compatible",
        "x402",
        "base-usdc",
        "x402-chat",
        "openai-compatible-chat",
        "pay-per-request",
        "agent-tool",
        "summarize",
        "summarization",
        "tldr",
        "translate",
        "translation"
      ],
      "examples": [
        "Translate this support reply into Spanish.",
        "Localize this short product update."
      ],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    },
    {
      "id": "gpt55-x402-buyer-shortlist",
      "name": "x402 Buyer Shortlist",
      "description": "Fetch x402 discovery documents, rank matching resources by advertised price, live-check the cheapest candidates with 402 quote inspection, and return a buyer-ready shortlist with verified amount, scheme, network, payTo, tags, and warnings. This deterministic endpoint does not call an upstream model. Price: $0.005 USDC per request via x402 on Base. No upstream model call. Buyer search phrases: x402 buyer shortlist, find payable APIs, rank x402 resources, buyer discovery, x402 paid tool, Base USDC.",
      "tags": [
        "ai",
        "llm",
        "gpt-5.5",
        "chat",
        "openai-compatible",
        "x402",
        "base-usdc",
        "x402-chat",
        "openai-compatible-chat",
        "pay-per-request",
        "agent-tool",
        "summarize",
        "summarization",
        "tldr",
        "translate",
        "translation"
      ],
      "examples": [
        "Rank these x402 services before my agent pays.",
        "Find buyer-safe x402 endpoints for translation."
      ],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    },
    {
      "id": "gpt55-wallet-signing-safety-pack",
      "name": "Wallet Signing Safety Pack",
      "description": "Build a single wallet/agent pre-signing decision pack from optional EIP-712 typed data, EVM calldata, expected chain, known addresses, and x402 spend policy. Returns risk levels, risk flags, buyer decision, copy-paste checklist, and first-payment routing hints without using a private key, producing a signature, sending a transaction, broadcasting, or calling external RPC. Price: $0.018 USDC per request via x402 on Base. No upstream model call. Buyer search phrases: wallet signing safety pack, EIP-712 Permit2 safety pack, wallet pre signing decision, agent wallet risk policy, x402 wallet safety first purchase, approval and calldata risk pack.",
      "tags": [
        "ai",
        "llm",
        "gpt-5.5",
        "chat",
        "openai-compatible",
        "x402",
        "base-usdc",
        "x402-chat",
        "openai-compatible-chat",
        "pay-per-request",
        "agent-tool",
        "summarize",
        "summarization",
        "tldr",
        "translate",
        "translation"
      ],
      "examples": [
        "Decide whether this EIP-712 signing request is safe.",
        "Generate a prepay safety checklist for an agent wallet."
      ],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    },
    {
      "id": "gpt55-x402-mcp-integration-kit",
      "name": "x402 MCP Integration Kit",
      "description": "Generate a deterministic buyer integration package for an x402/MCP service: MCP remote server config, Claude Desktop-style config hints, curl discovery checks, x402 quote test commands, endpoint selection, spending caps, and verification checklist without calling an upstream model. Price: $0.006 USDC per request via x402 on Base. No upstream model call. Buyer search phrases: x402 MCP integration kit, MCP paid API config, Claude MCP x402 setup, x402 buyer onboarding, x402 client integration, agent paid API setup.",
      "tags": [
        "ai",
        "llm",
        "gpt-5.5",
        "chat",
        "openai-compatible",
        "x402",
        "base-usdc",
        "x402-chat",
        "openai-compatible-chat",
        "pay-per-request",
        "agent-tool",
        "summarize",
        "summarization",
        "tldr",
        "translate",
        "translation"
      ],
      "examples": [
        "Generate MCP client config for a paid x402 tool.",
        "Create Claude/Cline/Cursor install snippets."
      ],
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    }
  ],
  "conformance": true,
  "conformance_errors": null,
  "homepage": null,
  "repository": null,
  "license": null,
  "pricing": null,
  "contact": null,
  "id": "5acf7371-c956-40d3-ae37-ea7e0f7d42bb",
  "category": "ai-models",
  "category_secondary": null
}