AI-powered · MCP-ready · UK-built

Prove content origin across AI agents.

Watermark and sign AI-generated content to meet EU AI Act Article 50, then verify provenance anywhere with tamper-evident C2PA-grade attestations.

See pricing Start free trial

Built for speed, compliance and scale

💧 Article 50 watermarking

Apply machine-readable watermarks to AI text, images and audio to satisfy transparency duties.

✍ Cryptographic signing

Ed25519-signed provenance manifests bind content to its origin and model.

🔎 Public verification

Anyone can verify origin and detect tampering with a single check.

🗂 Disclosure registry

Maintain an auditable log of disclosures for regulators and downstream platforms.

Connect via MCP

TransparencyOf exposes its flagship tools as Model Context Protocol servers — call them directly from any MCP client, agent or workflow.

Request MCP access

watermarking-authenticity-mcp.sign

Watermark and cryptographically sign AI-generated content directly from any agent or pipeline.

watermarking-authenticity-mcp.verify

Verify content provenance and detect tampering for any signed asset.

Try `watermarking-authenticity-mcp.sign`

No installation required. This simulates the MCP tool call and shows the kind of output you can surface inside Claude, Cursor, Kimi or any A2A client.

✓ Open-source MCP server
✓ Local-first — no data leaves your machine
✓ Signed audit trail on Pro+

Ready to make TransparencyOf work for you?

Start a free trial, request a demo, or apply to become a partner.

Get started Talk to sales