# Clef MCP Server

**Canonical:** https://apis.io/apis/clefdrills-com/clef-mcp-server/  
**Provider:** Clef — https://apis.io/providers/clefdrills-com/  
**Base URL:** https://clefdrills.com/mcp  
**Documentation:** https://clefdrills.com/privacy/

Clef MCP Server is published by [Clef](https://apis.io/providers/clefdrills-com/) on the [APIs.io](https://apis.io/) network. Tagged areas include MCP and Music Education. The published artifact set on APIs.io includes API documentation.

Read-only tools that AI assistants such as ChatGPT can call through Clef's MCP endpoint at clefdrills.com/mcp -- finding Clef guides, transposing chord symbols, spelling chords as piano notes, and mapping guitar tab to piano pitches. No Clef account or sign-in is needed (per the Clef privacy policy). An anonymous tools/list on 2026-11-04 returned four tools (find_music_guides, transpose_chords, spell_piano_chord, tab_to_piano_notes). Clef publishes no OpenAPI, AsyncAPI or GraphQL contract.

## Machine-readable artifacts (3)

- **Documentation** — https://clefdrills.com/privacy/
- **LLMsTxt** — https://clefdrills.com/llms.txt
- **APIsJSON** — https://artifacts.apis.io/clefdrills-com/apis.yml

## Tags

MCP, Music Education

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/clefdrills-com/clef-mcp-server/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/clefdrills-com/.