{"id":"zkettle","name":"zkettle","af_score":70.0,"security_score":49.0,"reliability_score":47.5,"what_it_does":"Self-hosted zero-knowledge expiring secrets. Encrypt locally, store ciphertext on the server, share a URL with the decryption key in the fragment. The server never sees the plaintext or the key.","best_when":null,"avoid_when":null,"last_evaluated":"2026-03-21T23:17:43.856187+00:00","has_mcp":true,"has_api":true,"auth_methods":[],"has_free_tier":false,"known_gotchas":[],"error_quality":null}