Show HN: ForthWrite – Email AI that learns your voice from every edit you send

Category: ai-ml

Tags: ai-email, rag, feedback-loop, chrome-extension, pgvector, personalization

Score: 7.3/10 (Innovation: 7, Technical: 8, Documentation: 6, Utility: 7)

ForthWrite is an AI email assistant that learns a user's writing voice via RAG from past sent emails and a deterministic phrasing miner that analyzes edits to improve drafts. Its feedback loop using edit-distance scoring and LCS alignment to dynamically update system prompts is an innovative combination of techniques for personalization.

Target audience: general users, knowledge workers, professionals who write many emails

Repository: https://www.forthwrite.ai/blog/how-forthwrite-learns-your-email-voice

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