promptlineage.io

Deterministic lineage for prompts, tools and models

Record the versions behind an AI output as a reproducible fingerprint. Unknown is distinct from fail. Secrets never land in a report.

Built for AI platform developers managing model and tool changes.

node src/cli.mjs record.json
node src/cli.mjs call.json --openai
node src/cli.mjs before.json --diff after.json --gate

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