{"product": "Directory Submission Retention Proof", "provider": "TextForAgents LLC", "support": "support@textforagents.com", "what": "Pre-submission escrow receipts (canonical per-item SHA-256 + bundle root, HMAC-signed, timestamped; domain-verification token hashed only), coverage-aware retention diffs (RETAINED/DROPPED/CHANGED/NOT_LIVE/UNOBSERVABLE), and preserve-ID recovery packets.", "prices": {"escrow_usd_per_submission": 0.5, "publisher_usd_per_month": 9, "fleet_usd_per_month": 29, "above_daily_check_usd": 0.002}, "trial": "First submission escrow free, one time per operator (per account AND per payer wallet), never perpetual.", "limits": ["1MB body cap", "watch cadence 60s floor / 30d ceiling", "Publisher <=50 watched, Fleet <=500 watched, daily diffs included"], "directories": {"mcp-registry": {"directory": "mcp-registry", "fetch": "official MCP Registry public API listing + live MCP tools/list probe of the published remote", "unobservable": ["mcp.domain_verification_token"], "unobservable_note": "The MCP Registry never publishes a domain-verification token, so that escrow item is UNOBSERVABLE via this directory \u2014 never DROPPED. Tool liveness is UNOBSERVABLE from the listing alone when no live probe result is available (tool:*).", "published_fields": ["manifest", "mcp.endpoint", "mcp.auth_type", "tool:* (via live probe only)"]}, "chatgpt": {"directory": "chatgpt", "fetch": "publisher-supplied portal export / published state under the per-submission grant (the directory publishes no machine-readable listing)", "unobservable": [], "unobservable_note": "The portal export omits the MCP declaration entirely when it is lost; absent MCP items verdict DROPPED (the CARD-071 failure shape). Fields the publisher declares in the supplied snapshot's own unobservable list are honoured by the differ.", "published_fields": ["manifest", "mcp.endpoint", "mcp.auth_type", "mcp.domain_verification_token", "tool:*"]}}, "start": "POST /register -> POST /escrow (trial or x402) -> POST /subscribe -> POST /watches -> POST /check", "docs": "/docs", "openapi": "/openapi.json", "llms": "/llms.txt", "x402": "/.well-known/x402", "terms": "/terms", "privacy": "/privacy"}