clef
Read-only music guides, chord transposition, piano chord spelling and guitar-tab pitch mapping.
Should I use this
Quality & Safety
Based on automated analysis of tool definitions and protocol compliance.
Context Cost
This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.
Install
One-Click Install
Add this to your `claude_desktop_config.json` file:
{
"mcpServers": {
"clef": {
"url": "https://clefdrills.com/mcp"
}
}
}Remote endpoints
https://clefdrills.com/mcpstreamable-httpWhat it can do
Tool inventory
Tools (4)
🟢find_music_guides(query)
Find Clef instructional guides by words in the title and description. Guides are not file converters.
Input Schema
{
"type": "object",
"properties": {
"query": {
"type": "string",
"minLength": 1,
"maxLength": 200
}
},
"required": [
"query"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢transpose_chords(chords, semitones, preferFlats)
Transpose chord symbols, including slash bass notes. Does not process audio, lyrics, or notation files.
Input Schema
{
"type": "object",
"properties": {
"chords": {
"type": "string",
"minLength": 1,
"maxLength": 10000
},
"semitones": {
"type": "integer",
"minimum": -24,
"maximum": 24
},
"preferFlats": {
"type": "boolean",
"default": false
}
},
"required": [
"chords",
"semitones"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢spell_piano_chord(symbol, octave)
Spell a supported chord as piano pitches with octave and MIDI values. This does not create a rhythmic arrangement.
Input Schema
{
"type": "object",
"properties": {
"symbol": {
"type": "string",
"minLength": 1,
"maxLength": 40
},
"octave": {
"type": "integer",
"minimum": 1,
"maximum": 6,
"default": 4
}
},
"required": [
"symbol"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢tab_to_piano_notes(tab, capo)
Convert six-string ASCII guitar tab to sounding piano pitches. Tab spacing does not specify note duration. No GP files or audio uploads.
Input Schema
{
"type": "object",
"properties": {
"tab": {
"type": "string",
"minLength": 1,
"maxLength": 20000
},
"capo": {
"type": "integer",
"minimum": 0,
"maximum": 12,
"default": 0
}
},
"required": [
"tab"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}Community
Evidence