Add MaskFlow to Frameworks for LLM security - #814
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Signed-off-by: sodanisomya <somyasodani@gmail.com>
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MaskFlow (MIT) detects PII in text and replaces it with reversible typed placeholders before it reaches an LLM, restoring the originals in the response. Alongside generic PII, it covers Indian identifiers (Aadhaar, PAN, GSTIN, UPI, IFSC, ABHA) that most detectors built for Western PII miss. Ships drop-in guardrails/integrations for LiteLLM, LangChain, LlamaIndex, and MCP.
Repo: https://github.com/maskflow/maskflow