ScriptGrain
ScriptGrain measures 45 stylometric reference points from writing samples to generate profile-constrained drafts across sixteen content types.
Open productWhat it does
About ScriptGrain
ScriptGrain is an AI writing engine operated by UK-based Adapt Progress Evolve Limited. By measuring 45 distinct stylometric reference points from existing text, it constructs a personalized voice profile to guide draft generation across sixteen content formats. The software continuously evaluates generated drafts against profile constraints and triggers an automated polish loop when content deviates. ScriptGrain also features a public API and an MCP server at mcp.scriptgrain.com, allowing external AI assistants like Claude to construct voice profiles, write content, and score drafts directly.
- Availability:
- launched
- Access:
- freemium
- Format:
- software
- Platform:
- api
Pricing at launch: Offers a free tier requiring no card alongside paid plans ranging from Writer (£12/month) to Agency (£299/month).
Core capabilities
Stylometric Profile Analysis
Analyzes 45 quantitative writing reference points—such as clause ordering, parenthetical frequency, and contraction rates—from existing samples to build a personalized voice profile.
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