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HashA2A MCP Server

@ymiydev-prog

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その他

トランスポート

stdio

作者

ymiydev-prog

投稿者

ymiydev

HashA2A MCP Server について

HashA2A — Agent-to-Agent Prediction Market Intelligence

#ai-agents#finance#research-tool#automation#model-context-protocol#python

HashA2A MCP Server の設定

以下の設定を使って、このサーバーを MCP 対応クライアントに追加してください。

{
  "mcpServers": {
    "hasha2a": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://hasha2a.com/mcp"
      ]
    }
  }
}

HashA2A MCP Server のツール

19

List all available data providers with prices, trust scores, and staked amounts

Request prediction market data from a provider (Polymarket, Kalshi, PredictIt, Manifold, Hyperliquid). Returns HCS topic ID for payment submission.

Check the status and result of a data request by its request ID.

View agent profile: providers, HCS topics, trust scores, and request history.

AI analysis of prediction market data (LangChain + GPT-5-nano). Returns probabilities, sentiment, and market insights.

Aggregate data from all 5 providers, cross-validate prices, produce unified intelligence report with verification score.

Deep research: web + news + social signals + prediction markets. Returns comprehensive report with cited sources.

Verified price feed: median with IQR confidence intervals from all providers. Includes audit proof.

Get a verified price for any asset from MULTIPLE oracles. Returns JSON with prices, spread, confidence, 24h change, volume.

List all available assets with their oracle sources. 36 assets across crypto, equities, commodities, and forex.

Get complete profile for an asset: all oracle prices, spread analysis, 24h change, volume, market cap, and confidence score.

Scan all tracked assets for price discrepancies across oracles. Returns arbitrage opportunities ranked by spread percentage.

[Enterprise Plugin] Set up the Hedera Agent Kit isolated venv. Normally auto-called on first kit_* use.

[Enterprise Plugin] Get HBAR balance of a Hedera account.

[Enterprise Plugin] Get detailed Hedera account info.

[Enterprise Plugin] Transfer HBAR to another account.

[Enterprise Plugin] Create an HCS topic.

[Enterprise Plugin] Submit a message to an HCS topic.

[Enterprise Plugin] Get messages from an HCS topic (Mirror Node).

概要

What is HashA2A?

HashA2A is a decentralized agent-to-agent data marketplace running on Hedera mainnet. It provides AI agents with verified, multi-oracle intelligence via HBAR (HIP-991) or USDC (x402/AP2) micropayments, and includes tools for price feeds, arbitrage scanning, prediction markets, deep research, and Hedera enterprise operations.

How to use HashA2A?

Install with a single command: npx hasha2a-mcp-client add (auto-detects Claude Desktop, Cursor, Windsurf) or use the shell script curl -fsSL https://raw.githubusercontent.com/ymiydev-prog/HashA2A/main/scripts/install-mcp.sh | bash. Connect to the server URL https://hasha2a.com/mcp. Authenticate via HBAR (HIP-991 auto-fees) or USDC (x402/Circle Gateway, gasless). Transport is Streamable HTTP (remote) or stdio via mcp-remote.

Key features of HashA2A

  • Multi-oracle prices from 5 sources across 36 assets
  • Real-time cross-oracle arbitrage scanning with ranking
  • Cross-validated prediction markets from 5 providers
  • Deep research combining web, news, social, and AI analysis
  • Enterprise Hedera Agent Kit plugin with 6 MCP tools
  • Full A2A protocol compliance with JSON-RPC 2.0 and SSE streaming

Use cases of HashA2A

  • AI agents purchasing verified market data with on-chain micropayments
  • Trading bots scanning arbitrage opportunities across oracle sources
  • DeFi protocols consuming median-price feeds with confidence intervals
  • Enterprise teams managing Hedera accounts, topics, and transactions via MCP
  • Multi-provider prediction market aggregation and AI-powered analysis

よくある質問

1

What data sources does HashA2A use?

HashA2A pulls from 5 oracle sources: Pyth Hermes, CoinGecko, DeFiLlama, Binance, and ForexAPI, covering 36 assets across crypto, equities, commodities, and forex.

2

How does payment work?

Payments use HBAR (via HIP-991 auto-fees) or USDC (via x402/Circle Gateway, gasless). All transactions follow HIP-1261 Simple Fees with a MAX cap of 0.05 HBAR basic or 0.1 HBAR for HIP-991.

3

How do I install HashA2A?

Install with `npx hasha2a-mcp-client add` (NPM, recommended) or the shell script (no Node.js needed). You can also deploy locally with `docker compose up -d` and use the server at `http://localhost:8080/mcp`.

4

What transport protocols does HashA2A support?

HashA2A supports Streamable HTTP (remote) and stdio via mcp-remote. For A2A, it offers JSON-RPC 2.0 with SSE streaming, task lifecycle, context passing, and AP2 mandates.

5

Is there any runtime dependency?

The NPM install requires Node.js. The shell script method does not. Docker deployment requires Docker. The enterprise plugin runs in an isolated Python venv via the hedera-agent-kit bridge.

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