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Akashi Notari

io.github.self-reality/akashi-notari · v1.1.0

Proof of existence for files: anchor a SHA-256 hash on Base, look up proofs. Paid with x402.

Connect Remote server

Terminal
claude mcp add --transport http akashi-notari https://anchor.akashi-notari.com/mcp
~/.cursor/mcp.json
{
  "mcpServers": {
    "akashi-notari": {
      "url": "https://anchor.akashi-notari.com/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "akashi-notari": {
      "type": "http",
      "url": "https://anchor.akashi-notari.com/mcp"
    }
  }
}
Claude Desktop
Settings > Connectors > Add custom connector
URL: https://anchor.akashi-notari.com/mcp

Tools 2 found in our last check

  • find_proof

    Free. Look up whether a file hash is anchored on Base and when, or read the proof written by a transaction. Pass `hash` or `tx`. Call it before anchor_hash to avoid paying for a hash that is already anchored.

  • anchor_hash

    Paid with x402 (USDC on Base). Writes the SHA-256 hash of a file on-chain; the block time becomes the proof of existence. Compute the hash locally and never send the file. The hash, the filename and the payer address become public and permanent. Without a payment in _meta["x402/…

Details

Endpointhttps://anchor.akashi-notari.com/mcp (Streamable HTTP)
First published6 Oct 2026
Last updated6 Oct 2026
Registry nameio.github.self-reality/akashi-notari

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