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Shield · LLM Security Gateway & Platform
Proof, not promises. Verifiable security for every LLM call.
Shield sits in front of every AI tool your team uses and replaces the secrets and PII its filter packs match with placeholders, outbound, before they leave your company, then rehydrated inbound so your developers never notice. Shield runs on your machine, not ours. The gateway, the CLI, the dashboard, the audit log: all one binary. No hosted service. No data pipeline.
What did your developers send to an LLM this week? Not just what they spent—what actually left the machine.
A live credential in a debugging prompt. An .env file swept into an agent context window. A customer record pasted into ChatGPT at 11pm. For many teams, there’s no practical record of that boundary crossing—just an invoice and a growing compliance question.
That’s the blind spot Shield is built for.
Shield is a local-first LLM security gateway deployed on your infrastructure. It sits between developer AI tools and compatible LLM endpoints, detects secrets and sensitive data before a request leaves, replaces those values with consistent placeholders, and restores them only in the response the developer sees. The model gets the sanitized context. Your developer keeps their workflow. Your security and compliance teams get an auditable record of what was detected and redacted—without routing prompts, secrets, or logs through Purfect Labs.
We built Shield because “please remember to sanitize every prompt” is not a security program.
We’d love feedback from teams using Cursor, Claude, Copilot, Codex, ChatGPT, or similar tools: where are you most worried sensitive context is escaping today?
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About Shield · LLM Security Gateway & Platform on Product Hunt
“Proof, not promises. Verifiable security for every LLM call.”
Shield · LLM Security Gateway & Platform was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #154 on the daily leaderboard. Shield sits in front of every AI tool your team uses and replaces the secrets and PII its filter packs match with placeholders, outbound, before they leave your company, then rehydrated inbound so your developers never notice. Shield runs on your machine, not ours. The gateway, the CLI, the dashboard, the audit log: all one binary. No hosted service. No data pipeline.
Shield · LLM Security Gateway & Platform was featured in Developer Tools (519k followers), Artificial Intelligence (478.1k followers) and Security (2.9k followers) on Product Hunt. Together, these topics include over 208.4k products, making this a competitive space to launch in.
Who hunted Shield · LLM Security Gateway & Platform?
Shield · LLM Security Gateway & Platform was hunted by Nivan Morgan. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Nivan Morgan