Privi Guard and Ledger

Stops prompt injection and data leaks in AI agents: guard_check scans what an agent reads and sends, returning allow/warn/block with a signed on-chain receipt. Also grades any MCP server for tool poisoning (mcp_server_check), plus tamper-evident audit logs. Hosted, free tier.

Tài liệu

Privi: the trust layer for AI agents

Remote MCP servers that make AI agents safer and accountable, paid in USDC through x402 with free tiers. Built by Dario Canoy, Privi World Co, Port Huron, Michigan. Live status of every service: Privi Hub.

{ "mcpServers": {
    "privi-ledger": { "url": "https://privi-ledger.onrender.com/mcp" },
    "privi-verify": { "url": "https://privi-verify.onrender.com/mcp" },
    "privi-anchor": { "url": "https://privi-anchor.onrender.com/mcp" } } }
ProductWhat it doesStart with
Privi GuardChecks what an agent reads for prompt injection and what it sends for leaked keys, card numbers and personal data. Returns allow / warn / block with a signed receipt anchored on-chain. 1,000 checks a month free, then 1 cent. Try itguard_check, pip install privi-guard, npm i privi-guard, Claude Code hook
Privi ScanSafety grades and tamper-evident tool history for every public MCP server in the official registry. Catches tool poisoning and rug pulls. Directorymcp_server_check (free)
Privi LedgerTamper-evident audit logs for agent actions: a Merkle transparency log, post-quantum co-signatures and on-chain checkpointsledger_signup, ledger_record_action
Passport / KYA / MandatesVerifiable trust scores for agents, wallet-to-agent binding, and human-signed spending limitspassport_gate, kya_check, mandate_check (free)
Privi LiveKill switch, wallet-signed approvals, trust feed over WebSocket, a metered MCP gateway (optionally Guard-screened) and paid agent-to-agent roomslive_info, live_kill, gateway_create
Privi VerifyManufacturing lot verification and chain of custody, pay per callprivi_verify_lot
Privi AnchorProof of existence: anchor any hash on the Privi chainanchor_hashes, anchor_verify (free)
FolderServiceMCP endpointMCP Registry
ledger-server/Ledger, Guard, Scan, Passport, KYA, Mandates, Live, Fortress, Govhttps://privi-ledger.onrender.com/mcpio.github.canoydario847-cloud/privi-ledger
mcp-server/Privi Verifyhttps://privi-verify.onrender.com/mcpio.github.canoydario847-cloud/privi-verify
anchor-server/Privi Anchorhttps://privi-anchor.onrender.com/mcpio.github.canoydario847-cloud/privi-anchor
guard-sdk/Privi Guard clients (Python, JS) and Claude Code hook—PyPI / npm privi-guard
discovery/Agent discovery: A2A card, MCP manifest, llms.txthttps://privi-discovery.onrender.com—
sites/Product websites and the Privi Hub——
production-network/, jose-*Privi EVM chain (id 262144) and Jose Coin (JOSE) on Base

For AI agents: llms.txt · A2A card · MCP manifest · server cards at /.well-known/mcp/server-card.json on each server.

Contact: dariocanoy@priviflow.us. Owner wallet: 0x1990589FD200E043b8C6FD9ec5956c61b3071048. MIT licensed.