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@playbykey/theory - Music theory TypeScript engine and MCP server

@playbykey/theory - Music theory TypeScript engine and MCP server

by codewithbre·Jul 11, 2026·3 points·4 comments

AI Analysis

●●SolidNiche GemCozy

MCP server integration beats copy-pasting music theory into Claude.

Strengths
  • Zero-dependency design keeps bundle size minimal for TypeScript projects.
  • Strict TypeScript with no any types ensures reliable type safety throughout.
  • MCP server enables direct AI assistant calls without manual copy-paste workflows.
Weaknesses
  • Sharps-only notation limits flexibility for users preferring flat notation.
  • Music theory libraries already exist—tone.js and musictheory.js cover similar ground.
Target Audience

Music developers, AI assistant users, music theory educators

Similar To

tone.js · musictheory.js · VexFlow

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