watermarking-authenticity-mcp

Install & connect

pip install watermarking-authenticity-mcp
# MCP (Claude Code / Cursor):
claude mcp add watermarking-authenticity-mcp -- watermarking-authenticity-mcp

Listed in the official MCP Registry · v1.2.2 · source · Apache-2.0

Pricing

Self-host: free forever. Hosted + signed receipts & verify URLs: £29 / £199 / £1,499 ladder · x402 pay-per-call · CSOAI Watchdog Certification £4,950.

Why signed?

Hosted calls return Ed25519, hash-chained receipts — engineering evidence for EU AI Act Articles 12 & 15 (how). Attestation layer: proofof.ai. Governed by CSOAI.