What is TransparencyOf?

AI transparency BOM + model cards. Sovereign UK substrate, Ed25519+HMAC-SHA256 dual-signed attestations, EU AI Act ready.

How much does it cost?

Sovereign £29/mo, Pro £199/mo, Enterprise £1,499/mo, Article 50 Kit £999 one-time, Watchdog Cert £4,950 one-time. 30-day money back.

Add via MCP (Model Context Protocol) — see /connect/mcp. Available tools: explainability-report-mcp,ai-bom-mcp.

Is it EU AI Act compliant?

Yes. TransparencyOf covers EU AI Act Articles 9, 13, 14, 15, 26, 50, 73 + Annex IV. Verified attestation available via /v1/assess endpoint.

What's the sovereign verification?

Ed25519 + HMAC-SHA256 dual-signed attestations, hash-chained + transparency log. Public verify at meok-attestation-api.vercel.app/verify/{cert_id}.

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.

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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.

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