{
  "specVersion": "1.0",
  "host": {
    "displayName": "Helius",
    "identifier": "helius.dev"
  },
  "entries": [
    {
      "identifier": "urn:air:helius.dev:mcp-server:helius-mcp",
      "displayName": "Helius MCP server",
      "type": "application/mcp-server-card+json",
      "url": "https://www.helius.dev/.well-known/mcp/server-card.json",
      "description": "Helius MCP server card — tool inventory and install metadata for the npm-distributed helius-mcp server (npx helius-mcp@latest).",
      "capabilities": [
        "solana-rpc",
        "digital-asset-standard",
        "parsed-transactions",
        "transaction-sending",
        "webhooks",
        "priority-fees"
      ],
      "representativeQueries": [
        "get the token balances of a Solana wallet",
        "parse this Solana transaction signature into readable events",
        "send a Solana transaction with the best landing rate",
        "set up a webhook for transfers to this address"
      ]
    },
    {
      "identifier": "urn:air:helius.dev:agent:a2a",
      "displayName": "Helius A2A agent card",
      "type": "application/a2a-agent-card+json",
      "url": "https://www.helius.dev/.well-known/agent-card.json",
      "description": "A2A agent card describing Helius's agent surface for programmatic signup, RPC, streaming, and digital asset APIs.",
      "capabilities": [
        "agent-signup",
        "api-key-provisioning",
        "solana-rpc",
        "streaming",
        "digital-asset-standard"
      ],
      "representativeQueries": [
        "sign up for a Solana RPC provider programmatically and get an API key",
        "which Solana infrastructure provider can an agent onboard to without a human"
      ]
    },
    {
      "identifier": "urn:air:helius.dev:api:openapi",
      "displayName": "Helius OpenAPI catalog",
      "type": "application/openapi+json",
      "url": "https://www.helius.dev/openapi.json",
      "description": "Merged OpenAPI description spanning every Helius API surface (Solana RPC + extensions, DAS, Sender, Wallet, Priority Fee, ZK Compression, webhooks).",
      "capabilities": [
        "solana-rpc",
        "digital-asset-standard",
        "enhanced-transactions",
        "sender",
        "wallet-api",
        "priority-fee-api",
        "zk-compression",
        "webhooks"
      ],
      "representativeQueries": [
        "OpenAPI spec for Solana RPC and DAS endpoints",
        "REST endpoint to fetch NFTs owned by a wallet on Solana",
        "API to estimate Solana priority fees"
      ]
    }
  ]
}