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It’s a critical gap in most current deployments.\n\nZambo’s PromptShield is live. It’s not just a keyword filter. It’s a semantic analysis engine that detects instruction overrides, policy bypasses, and malicious intent before they reach your core logic.\n\nWe built this after observing how easily standard models can be coerced into leaking system prompts or executing unauthorized tools. PromptShield uses a deep scan mode to identify high-risk patterns—like the \"ignore instructions\" attack vector—flagging them with a clear severity score and reasoning.\n\nThe tool provides a definitive receipt for every scan, proving the integrity of your data handling without storing the raw prompts. It’s currently available on the free tier, giving you unlimited calls to test its effectiveness against your specific threat landscape.\n\nWe’re also integrating this with our research feed, which tracks live adversarial breakthroughs in AI safety. This ensures your defenses evolve as the attacks do.\n\nI’d like to run a live test on one of your current endpoints. You’ll see the detection logic in action, including how it handles complex multi-step jailbreak attempts.\n\nReply with \"test\" and I’ll set up a sandbox environment for you to push your worst-case scenarios. No commitment, just a look at the defense layers.\n\nBest,\n\n[Your Name]\nZambo","result_preview_integrity":"display_only_not_committed","result_preview_truncated":false,"input_hash":"sha256:8eb7fcc161ff13202f84f1ed5b5600409c8d4e1f06d24ad8ca45cf3d3006f401","input_hash_layout":"zambo-json-sorted-keys-utf8-v1","free_used":0,"free_remaining":0,"free_limit":0,"signal_handle":null,"tool":{"name":"write","version":"4.0.0","scope":"public"},"caller":{"type":"session","id":"sha256:34bacb95f67b8f6ab57174dc4142c2f30f35b66c8e938e7ba36cb3a551072336","label":"zambo-home-demo","label_source":"caller_reported"},"side_effects":{"declared":["none"],"schema_version":"zambo-side-effects/1","declaration_hash":"sha256:45aad38f3aa982b9aafe92ecb416ebe98791eddbaf8ab6df0bd08605b7c1bfee"},"evidence_sha256":null,"evidence_url":null,"evidence_byte_length":null,"evidence_content_type":null,"evidence_source_url":null,"evidence_status":"no_upstream_bytes_captured","external_evidence":[],"provenance":null,"provenance_class":"EXECUTED BY ZAMBO","metadata_hash":"sha256:22e82aa905550f7b84f0350304e3b2518856e3e8f872c944fa860a15dc0dd373","anchor":{"event_id":"a06f76655356324b4f90420079eddb15e89e5df140e20a152c1f35c458ba5c83","pubkey":"e13475107d30c918ec664adf2ab1141024a22fb35190f82c9e933704fa49af41","relays":["wss://relay.damus.io","wss://nos.lol","wss://relay.primal.net"],"status":"partial","published_at":"2026-10-17T16:15:59.138Z","schema_version":"zambo-receipt-anchor/1","envelope":{"anchored_at":"2026-10-17T16:15:53.106Z","evidence_url":null,"receipt_uuid":"88e7dfe7-e5fe-4895-ad65-4e21aba4f20f","output_sha256":"sha256:4e1dfbded11b92be386cc7d5c93d7625eb3c29dd4fb4d119c990d19e55e20a23","schema_version":"zambo-receipt-anchor/1","evidence_sha256":null,"evidence_byte_length":null},"envelope_bytes":"{\"anchored_at\":\"2026-10-17T16:15:53.106Z\",\"evidence_byte_length\":null,\"evidence_sha256\":null,\"evidence_url\":null,\"output_sha256\":\"sha256:4e1dfbded11b92be386cc7d5c93d7625eb3c29dd4fb4d119c990d19e55e20a23\",\"receipt_uuid\":\"88e7dfe7-e5fe-4895-ad65-4e21aba4f20f\",\"schema_version\":\"zambo-receipt-anchor/1\"}"},"receipt_profile":"zambo-hosted-receipt/1","schema_url":"https://zambo.dev/aer-1/hosted-profile.schema.json","api_version":1,"verification_scope":"separate_sha256_commitment_and_provenance_binding_checks","checks":{"commitment_matches":{"label":"SHA-256 commitment","passed":true,"status":"pass","detail":"The exact decoded canonical bytes match the stored SHA-256 output hash."},"canonical_payload_matches":{"label":"Canonical payload reconstruction","passed":true,"status":"pass","detail":"The stored output and known call context reconstruct the exact canonical bytes."},"provenance_binding":{"label":"Provenance claim binding","status":"pass","passed":true,"detail":"The metadata claim is consistent with the verified receipt bytes; issuer is not authenticated."},"metadata_binding":{"label":"AER-1 metadata hash","status":"pass","passed":true,"detail":"metadata_hash matches the canonical metadata block."},"signature":{"label":"Ed25519 signature (not checked)","passed":false,"status":"not_checked","detail":"No Ed25519 signature or pinned signing key was checked."},"chain":{"label":"Receipt chain (not checked)","passed":false,"status":"not_checked","detail":"No append-only receipt-chain proof was checked."},"issued_by_zambo_dev":{"label":"Issuer authentication","passed":false,"status":"not_checked","detail":"A zambo.dev receipt URL does not authenticate the issuer; no pinned signature or trusted issuer key was checked."},"immutable_log_timestamp":{"label":"Stored timestamp","passed":true,"timestamp":"2026-10-17T16:15:53.106Z","detail":"The receipt store reports 2026-10-17T16:15:53.106Z; immutability is not checked here."},"receipt_schema_version":"0.4","signature_valid":{"label":"Ed25519 signature (not checked)","passed":false,"status":"not_checked","detail":"Compatibility field only. 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