Hedera Hcs MCP Server: Install & Setup

Install Hedera Hcs in Claude Code

Claude Code

claude mcp add hedera-hcs -e HEDERA_ACCOUNT_ID=... -e HEDERA_PRIVATE_KEY=... -e HEDERA_NETWORK=... -e OPENAI_API_KEY=... -- npx -y hedera-hcs-mcp-server

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "hedera-hcs": {
      "command": "npx",
      "args": [
        "-y",
        "hedera-hcs-mcp-server"
      ],
      "env": {
        "HEDERA_ACCOUNT_ID": "...",
        "HEDERA_PRIVATE_KEY": "...",
        "HEDERA_NETWORK": "...",
        "OPENAI_API_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Hedera Hcs MCP server do?

AI-powered Hedera HCS topic intelligence for agents. Pay per call in HBAR.

Is the Hedera Hcs MCP server free?

Probably not entirely. The listing mentions pay-per-call, credits or a subscription. Check the provider for current pricing.

Does Hedera Hcs run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Hedera Hcs to Claude Code?

Run: claude mcp add hedera-hcs -e HEDERA_ACCOUNT_ID=... -e HEDERA_PRIVATE_KEY=... -e HEDERA_NETWORK=... -e OPENAI_API_KEY=... -- npx -y hedera-hcs-mcp-server

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