All servers · Crypto & blockchain · Payments & accounting · Agent payments (x402)

bsv.cx

cx.bsv/bsv-cx · v0.1.1

Measured by MCP Station

Description written by the publisher, not verified

Timestamp & verify evidence on-chain, free. Proofpack: a portable BEEF+BUMP proof bundle per txid.

Connect

claude mcp add --transport http bsv-cx https://bsv.cx/mcp

{
  "mcpServers": {
    "bsv-cx": {
      "url": "https://bsv.cx/mcp"
    }
  }
}

Tools as reported by the server

• notarize_hash
  Anchor a sha256 digest in a Bitcoin SV transaction, proving the content existed at this time. Send ONLY the hash — the content never leaves your machine, and bsv.cx cannot see what was hashed. Free. Idempotent: the same hash returns the same record.
• verify_hash
  Look up a sha256 across EVERY bsv.cx protocol — notary timestamps, verifiable-fetch receipts, notarized captures, web-page archives, Merkle batch roots and attestations — and return when it was anchored and the transaction that proves it. A hash anchored by any of these counts as found. Free, and ne
• spv_verify
  Verify ANY Bitcoin (BSV) Merkle inclusion proof — a BEEF envelope (BRC-62), a BUMP (BRC-74), or a raw TSC proof — against block headers bsv.cx syncs itself over the BSV P2P network, NOT an explorer. Returns confirmed / rejected / inconclusive. This is the trustless core: you send only the proof (nev
• proofpack
  For any CONFIRMED BSV transaction id, get a freshly SPV-verified bundle: BEEF (BRC-62) and BUMP (BRC-74) plus bsv.cx's own self-synced header-tip attestation. bsv.cx fetches the Merkle proof and folds it against block headers it syncs over the BSV P2P network BEFORE serving, so you receive a bundle
• archive_url
  Capture a web page as it looks right now — screenshot and text — and anchor a hash of that capture on-chain. Use this before relying on a page you cite, so a later edit or deletion cannot be denied. Free.
• get_archive
  Fetch the manifest for a previous archive_url capture: when it was taken, and its proof. Free.
• verifiable_fetch
  Fetch a URL as readable text AND get a receipt anchoring a hash of the exact bytes returned, so you can later prove what the page said when you read it. Priced per call (pay over HTTP with an x402 payment — see /pay).
• batch_timestamp
  Anchor a Merkle root over many sha256 digests in a single transaction — far cheaper per item than notarizing each one. Each hash gets an inclusion proof. Priced per call (pay over HTTP with an x402 payment — see /pay).
• service_status
  Report whether anchoring is currently working. Call this if a tool reports something stored but not anchored.

Website · JSON · Text for agents · Registry updated 2026-08-31