@cronozen
基本信息
Cronozen Proof — Tamper-proof audit trail for AI decisions. Open-source core + managed cloud.
使用下面的配置,将此服务器添加到你的 MCP 客户端。
{
"mcpServers": {
"cronozen-proof": {
"url": "https://mcp.cronozen.com/mcp",
"headers": {
"Authorization": "Bearer <YOUR_TOKEN>"
}
}
}
}Records an AI execution as a Decision Proof Unit (DPU). Creates a cryptographically chained proof record with SHA-256 hash chain. Returns the created DPU with decision_id and chain hash.
Verifies a specific proof record's cryptographic integrity. Checks hash consistency and returns verification status.
Verifies the entire SHA-256 hash chain integrity for a domain. Performs O(n) sequential verification of all Decision Proof Units and reports the first broken index if tampering is detected.
Retrieves a Decision Proof Unit by ID with full details including hash chain position, AI involvement, human control, evidence level, and compliance information.
Exports a Decision Proof Unit as a JSON-LD v2.0 proof document conforming to Cronozen Evidence Ontology. Includes compliance status, 6W extraction (Who/What/Where/When/How/Why), hash chain info, and policy snapshot.
Publicly verifies a DPU's cryptographic integrity without authentication. Checks SHA-256 hash validity, previous/next chain link integrity, and returns verification status. Anyone can verify — no credentials required.
Generates a structured decision report for a DPU. Returns a formatted document with decision details, hash chain verification, and download links (PDF, JSON-LD). Use this after proof_record to provide a downloadable evidence report.
Cronozen Proof provides a tamper-proof audit trail for AI decisions. It records, verifies, and exports cryptographic proof chains via MCP, SDK, or REST API, using SHA-256 hash chains to create immutable evidence.
Connect Claude Desktop, Cursor, or any MCP client by adding the server URL and API key to your mcpServers config, or install via Smithery. Alternatively, use the npm SDK (cronozen) to record and verify decisions programmatically. Available MCP tools include proof_record, proof_verify, proof_chain_verify, proof_get, proof_export_jsonld, and proof_public_verify.
Every decision record contains a SHA-256 hash computed from its content, the previous record's hash, and a timestamp. This creates an append-only chain — tampering with any record breaks the chain for all subsequent records.
Cronozen Proof offers three paths: an MCP server for AI clients, a high-level Node.js SDK (`cronozen`), and a self-hosted core library (`@cronozen/dpu-core`) with zero dependencies. It also provides a REST API.
Yes. You can run the MCP server via Docker or from source, configure your own API endpoint, and fully control the deployment. The core hash chain library is also self-hosted and free.
Yes, Cronozen Cloud handles hosting, security, backups, and updates. Plans include Cloud Pro ($99/mo, 1,000 events) and Cloud Business ($299/mo, unlimited events). Enterprise plans with custom SLAs and on-premise managed options are available.
The core library (`@cronozen/dpu-core`) has zero dependencies and runs anywhere. The MCP server requires Node.js and can be containerized with Docker. All integrations require an API key for authenticated operations; public verification does not require authentication.
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