Equal Temperament Calculator

Equal Temperament Calculator MCP Connector for Claude

A+

Calculate MIDI frequencies, interval deviations, and tuning system comparisons.

3 tools Official Updated Jun 28, 2026 Official Vinkius Partner

A mathematical engine for musical acoustics. Use generate_midi_frequency_log to get a full list of MIDI frequencies, calculate_interval_deviations to find cents deviation from Just Intonation, and compare_tuning_supports to analyze differences between Pythagorean, Meantone, and Equal systems.

midifrequencytuningacousticsmusic-theory

3 tools expose this connector's capabilities to your AI agent.

calculate_interval_deviations

Calculates deviations from Just Intonation

generate_midi_frequency_log

Generates a MIDI frequency log

compare_tuning_systems

Compares different tuning systems

See how to talk to your AI agent using Equal Temperament Calculator.

Generate a frequency log for A4 at 440Hz.

The MIDI frequency log has been generated, containing all 128 notes from C-1 to G9 based on a 440Hz reference.

How much does the Pythagorean system deviate from Just Intonation for a perfect fifth?

The deviation for a perfect fifth in the Pythagorean system is approximately 2.3 cents compared to its pure ratio.

Compare tuning systems using 440Hz as reference.

The comparison report shows the trade-offs between Pythagorean, Meantone, and Equal temperament regarding interval purity.

The engine covers all 128 MIDI notes, from C-1 to G9.

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