# Cryptair MCP Server

Tamper\-evident attestation tools for AI agents — on\-chain receipts on Hedera Hashgraph mainnet\.

Canonical: https://claudelist.com/listings/mcp-reg-io-github-syronius-cryptair-mcp-server-4cd85c6187

Category: MCP Servers

Source: community · Syronius

Source checked: 2026-10-14

Website: https://www.claudemcp.org/mcp/registry/io-github-syronius-cryptair-mcp-server-4cd85c61876d.html

Publisher description: Tamper-evident attestation tools for AI agents — on-chain receipts on Hedera Hashgraph mainnet.

## Install or set up

1. Review the publisher repository and npm package `@cryptair/mcp-server@0.1.1` before running it. The MCP Registry declares this package as a stdio server.
2. Install Node.js, then run the command below in your Claude Code project. Check the publisher README for any account or configuration requirements.
3. Restart Claude Code and use `/mcp` to confirm the connection and review its tools and permissions.

```sh
claude mcp add mcp-io-github-syronius-cryptair-mcp-server-4cd85c -- npx -y @cryptair/mcp-server@0.1.1
```

Installation guide: https://github.com/Syronius/cryptair-mcp-server