Categories › Media & Design › Audio, speech & transcription
Free guitar and songwriting tools: transpose chords, capo, chord charts, vocal key, delay, strings.
Remote server: your requests and data go to sandymusiclab.com. Claude Code: claude mcp add --transport http sandy-music-lab https://sandymusiclab.com/mcp/ · Claude app: Settings → Connectors → Add custom connector.
The tools this server listed when we connected to it, in its own words.
search_posts — Search Sandy Music Lab posts and pages (guitar gear reviews, buying guides, songwriting and music lessons). Returns titles and URLs.list_categories — List Sandy Music Lab categories with their links and number of posts, to browse a topic.string_tension_calculator — Guitar/bass string tension from unit weight, scale length and pitch: T = UW*(2*L*F)^2/386.4. Returns lb, kg and newtons.capo_chord_calculator — Capo chord calculator. direction "shape_to_sound" (default): the chord that actually sounds when you play a shape with a capo. "sound_to_shaopen_songwriter_suite — Get the link to the free Sandy Music Lab Songwriter Suite (chords, Nashville numbers, vocal key finder, Suno style builder, lyric tools) so chord_transposer — Transpose chord names or a chord sheet (chords above lyrics) to another key. Give semitones (+ up, - down) or from_key and to_key. Lyric lindelay_time_calculator — Delay times in milliseconds for a tempo (BPM): straight, dotted and triplet note values, plus reverb pre-delay. Quarter note ms = 60000 / BPstring_gauge_finder — Recommend guitar or bass string gauges for a tuning and scale length, with approximate tension per string (nickel-wound electric, plain steepedal_power_calculator — Add up guitar pedal current draw and recommend a power supply (capacity with 25% headroom, outputs, isolated vs daisy chain). Use the mA, voname_chord — Name a guitar chord from the frets played in standard tuning (low E to high e). Same engine as https://sandymusiclab.com/tools/chord-finder/get_chord_chart — Look up a Sandy Music Lab guitar chord chart (190 chords: 12 roots × 15 types plus slash chords). Returns the page URL, summary (main and eanashville_converter — Nashville Number System for a major key: list the 7 diatonic chords, or convert a chord sheet to numbers (letters_to_numbers) or numbers bacvocal_key_finder — Find the best concert key for a melody given its lowest and highest notes and a singer range (congregation A3–D5, men-led G3–C5, women-led/ksuno_style_builder — Build a short comma-separated Suno style prompt (genre, mood, vocals, lead instrument, production, era, BPM) and an optional exclude list. PNot tested by KitScout yet. When our harness runs it, pros, cons and the tasks we tried appear here, with the date and evidence.