Developer Tools / AI SDK / MCP Server

@playbykey/theory

A zero-dependency TypeScript music theory engine with scale, mode, key, and interval utilities, plus MCP server support for AI assistants.

Clear28/30
Useful27/30
Specific15/20
Complete16/20
@playbykey/theory screenshot

Why it was accepted

The page clearly presents a real developer tool with a specific purpose, installation instructions, quickstart examples, exported functions, and direct mention of MCP support for agent use. It has enough evidence for a useful public listing and is relevant to AI builders through the companion MCP server.

Weakness

The snapshot does not show package versioning, release history, repo activity, or broader adoption signals. It also does not show the full API surface beyond the listed functions, so visitors cannot tell how extensive the library is in practice.

Review status

52 days ago #507 ↑ +2

Last evaluated 52 days ago. Current rank #507. Up 2 spots in the rankings.

Score history

86

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