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uCApps.de MIDIbox SID v2.0 MIDI CC chart, NRPN and OSC map

The uCApps.de MIDIbox SID v2.0 MIDI implementation: 225 CC, each named, for Claude (MCP), SuperCollider or any OSC app.

Device uCApps.de MIDIbox SID v2.0
Vendor uCApps.de
OSC prefix /midibox_sid_v2_0
Source πŸ“¦ Derived from MIDI Guide (community CC/NRPN data)
Firmware unknown
Revision per pencilresearch canonical CSV
Upstream pencilresearch
Data licence CC-BY-SA-4.0 β€” MIDI Guide (https://midi.guide) by Pencil Research and contributors
Driver file devices/ucapps-de/midibox_sid_v2_0.json
Not tested on the device yet

This driver comes from documentation or community data and has not been checked on real hardware. If you own one, a quick test and a pull request promoting it helps everyone β€” see CONTRIBUTING.

How do you control it?

Find the MIDI ports, then start the bridge with this driver:

osc-bridge detect        # prints the ready-to-run line for what is plugged in
osc-bridge run --device devices/ucapps-de/midibox_sid_v2_0.json --out-port <N> --in-port <M>

Then send OSC to 127.0.0.1:7777, for example:

osc-bridge osc-send /midibox_sid_v2_0/lead_engine_arp/voice_1_2_3_arp_speed 31

From Claude or any MCP client, the osc-bridge mcp server exposes this driver as midibox_sid_v2_0: ask β€œwhat can the uCApps.de MIDIbox SID v2.0 do?” and it reads this map with list_routes. See the MCP guide.

MIDI CC and NRPN parameters (225)

OSC address CC NRPN (MSB/LSB) Range Nature Section
/midibox_sid_v2_0/lead_engine_arp/voice_1_2_3_arp_speed 36 0–63 continuous Lead engine: Arp
/midibox_sid_v2_0/lead_engine_arp/voice_1_2_3_arp_gate_length 37 0–31 continuous Lead engine: Arp
/midibox_sid_v2_0/lead_engine_envelopes/envelope_1_depth 42 0–127 continuous Lead engine: Envelopes
/midibox_sid_v2_0/lead_engine_envelopes/envelope_1_attack_1 43 0–127 continuous Lead engine: Envelopes
/midibox_sid_v2_0/lead_engine_envelopes/envelope_1_decay_2 44 0–127 continuous Lead engine: Envelopes
/midibox_sid_v2_0/lead_engine_envelopes/envelope_1_sustain 45 0–127 continuous Lead engine: Envelopes
/midibox_sid_v2_0/lead_engine_envelopes/envelope_1_release_1 46 0–127 continuous Lead engine: Envelopes
/midibox_sid_v2_0/lead_engine_envelopes/envelope_2_depth 47 0–127 continuous Lead engine: Envelopes
/midibox_sid_v2_0/lead_engine_envelopes/envelope_2_attack_1 48 0–127 continuous Lead engine: Envelopes
/midibox_sid_v2_0/lead_engine_envelopes/envelope_2_decay_2 49 0–127 continuous Lead engine: Envelopes
/midibox_sid_v2_0/lead_engine_envelopes/envelope_2_sustain 50 0–127 continuous Lead engine: Envelopes
/midibox_sid_v2_0/lead_engine_envelopes/envelope_2_release_1 51 0–127 continuous Lead engine: Envelopes
/midibox_sid_v2_0/lead_engine_filter/filter_cutoff_frequency 4 0–127 continuous Lead engine: Filter
/midibox_sid_v2_0/lead_engine_filter/filter_resonance 5 0–127 continuous Lead engine: Filter
/midibox_sid_v2_0/lead_engine_filter/filter_channels 8 0–15 continuous Lead engine: Filter
/midibox_sid_v2_0/lead_engine_filter/filter_mode 9 0–15 continuous Lead engine: Filter
/midibox_sid_v2_0/lead_engine_lfos/lfo_1_depth 52 0–127 continuous Lead engine: LFOs
/midibox_sid_v2_0/lead_engine_lfos/lfo_2_depth 53 0–127 continuous Lead engine: LFOs
/midibox_sid_v2_0/lead_engine_lfos/lfo_3_depth 54 0–127 continuous Lead engine: LFOs
/midibox_sid_v2_0/lead_engine_lfos/lfo_4_depth 55 0–127 continuous Lead engine: LFOs
/midibox_sid_v2_0/lead_engine_lfos/lfo_5_depth 56 0–127 continuous Lead engine: LFOs
/midibox_sid_v2_0/lead_engine_lfos/lfo_6_depth 57 0–127 continuous Lead engine: LFOs
/midibox_sid_v2_0/lead_engine_lfos/lfo_1_rate 58 0–127 continuous Lead engine: LFOs
/midibox_sid_v2_0/lead_engine_lfos/lfo_2_rate 59 0–127 continuous Lead engine: LFOs
/midibox_sid_v2_0/lead_engine_lfos/lfo_3_rate 60 0–127 continuous Lead engine: LFOs
/midibox_sid_v2_0/lead_engine_lfos/lfo_4_rate 61 0–127 continuous Lead engine: LFOs
/midibox_sid_v2_0/lead_engine_lfos/lfo_5_rate 62 0–127 continuous Lead engine: LFOs
/midibox_sid_v2_0/lead_engine_lfos/lfo_6_rate 63 0–127 continuous Lead engine: LFOs
/midibox_sid_v2_0/lead_engine_modulation/mod_1_depth 90 0–127 continuous Lead engine: Modulation
/midibox_sid_v2_0/lead_engine_modulation/mod_2_depth 91 0–127 continuous Lead engine: Modulation
/midibox_sid_v2_0/lead_engine_modulation/mod_3_depth 92 0–127 continuous Lead engine: Modulation
/midibox_sid_v2_0/lead_engine_modulation/mod_4_depth 93 0–127 continuous Lead engine: Modulation
/midibox_sid_v2_0/lead_engine_modulation/mod_5_depth 94 0–127 continuous Lead engine: Modulation
/midibox_sid_v2_0/lead_engine_modulation/mod_6_depth 95 0–127 continuous Lead engine: Modulation
/midibox_sid_v2_0/lead_engine_modulation/mod_7_depth 96 0–127 continuous Lead engine: Modulation
/midibox_sid_v2_0/lead_engine_modulation/mod_8_depth 97 0–127 continuous Lead engine: Modulation
/midibox_sid_v2_0/lead_engine_vcas/voice_1_2_3_vca_attack 72 0–15 continuous Lead engine: VCAs
/midibox_sid_v2_0/lead_engine_vcas/voice_1_single_vca_attack 73 0–15 continuous Lead engine: VCAs
/midibox_sid_v2_0/lead_engine_vcas/voice_2_single_vca_attack 74 0–15 continuous Lead engine: VCAs
/midibox_sid_v2_0/lead_engine_vcas/voice_3_single_vca_attack 75 0–15 continuous Lead engine: VCAs
/midibox_sid_v2_0/lead_engine_vcas/voice_1_2_3_vca_decay 76 0–15 continuous Lead engine: VCAs
/midibox_sid_v2_0/lead_engine_vcas/voice_1_single_vca_decay 77 0–15 continuous Lead engine: VCAs
/midibox_sid_v2_0/lead_engine_vcas/voice_2_single_vca_decay 78 0–15 continuous Lead engine: VCAs
/midibox_sid_v2_0/lead_engine_vcas/voice_3_single_vca_decay 79 0–15 continuous Lead engine: VCAs
/midibox_sid_v2_0/lead_engine_vcas/voice_1_2_3_vca_sustain 80 0–15 continuous Lead engine: VCAs
/midibox_sid_v2_0/lead_engine_vcas/voice_1_vca_sustain 81 0–15 continuous Lead engine: VCAs
/midibox_sid_v2_0/lead_engine_vcas/voice_2_vca_sustain 82 0–15 continuous Lead engine: VCAs
/midibox_sid_v2_0/lead_engine_vcas/voice_3_vca_sustain 83 0–15 continuous Lead engine: VCAs
/midibox_sid_v2_0/lead_engine_vcas/voice_1_2_3_vca_release 84 0–15 continuous Lead engine: VCAs
/midibox_sid_v2_0/lead_engine_vcas/voice_1_single_vca_release 85 0–15 continuous Lead engine: VCAs
/midibox_sid_v2_0/lead_engine_vcas/voice_2_single_vca_release 86 0–15 continuous Lead engine: VCAs
/midibox_sid_v2_0/lead_engine_vcas/voice_3_single_vca_release 87 0–15 continuous Lead engine: VCAs
/midibox_sid_v2_0/lead_engine_voices/oscillator_phase_offset 2 0–127 continuous Lead engine: Voices
/midibox_sid_v2_0/lead_engine_voices/oscillator_detune 3 0–127 continuous Lead engine: Voices
/midibox_sid_v2_0/lead_engine_voices/voice_1_2_3_waveform 20 0–127 continuous Lead engine: Voices
/midibox_sid_v2_0/lead_engine_voices/voice_1_waveform 21 0–127 continuous Lead engine: Voices
/midibox_sid_v2_0/lead_engine_voices/voice_2_waveform 22 0–127 continuous Lead engine: Voices
/midibox_sid_v2_0/lead_engine_voices/voice_3_waveform 23 0–127 continuous Lead engine: Voices
/midibox_sid_v2_0/lead_engine_voices/voice_1_2_3_transpose 24 0–127 continuous Lead engine: Voices
/midibox_sid_v2_0/lead_engine_voices/voice_1_single_transpose 25 0–127 continuous Lead engine: Voices
/midibox_sid_v2_0/lead_engine_voices/voice_2_single_transpose 26 0–127 continuous Lead engine: Voices
/midibox_sid_v2_0/lead_engine_voices/voice_3_single_transpose 27 0–127 continuous Lead engine: Voices
/midibox_sid_v2_0/lead_engine_voices/voice_1_2_3_finetune 28 0–127 continuous Lead engine: Voices
/midibox_sid_v2_0/lead_engine_voices/voice_1_single_finetune 29 0–127 continuous Lead engine: Voices
/midibox_sid_v2_0/lead_engine_voices/voice_2_single_finetune 30 0–127 continuous Lead engine: Voices
/midibox_sid_v2_0/lead_engine_voices/voice_3_single_finetune 31 0–127 continuous Lead engine: Voices
/midibox_sid_v2_0/lead_engine_voices/voice_1_2_3_portamento_rate 32 0–127 continuous Lead engine: Voices
/midibox_sid_v2_0/lead_engine_voices/voice_1_portamento_rate 33 0–127 continuous Lead engine: Voices
/midibox_sid_v2_0/lead_engine_voices/voice_2_portamento_rate 34 0–127 continuous Lead engine: Voices
/midibox_sid_v2_0/lead_engine_voices/voice_3_portamento_rate 35 0–127 continuous Lead engine: Voices
/midibox_sid_v2_0/lead_engine_voices/voice_1_2_3_pulsewidth 68 0–127 continuous Lead engine: Voices
/midibox_sid_v2_0/lead_engine_voices/voice_1_pulsewidth 69 0–127 continuous Lead engine: Voices
/midibox_sid_v2_0/lead_engine_voices/voice_2_pulsewidth 70 0–127 continuous Lead engine: Voices
/midibox_sid_v2_0/lead_engine_voices/voice_3_pulsewidth 71 0–127 continuous Lead engine: Voices
/midibox_sid_v2_0/lead_engine_knobs/knob_1_assignable_parameters 1 0–127 continuous Lead engine: Knobs
/midibox_sid_v2_0/lead_engine_knobs/knob_2_assignable_parameters 16 0–127 continuous Lead engine: Knobs
/midibox_sid_v2_0/lead_engine_knobs/knob_3_assignable_parameters 17 0–127 continuous Lead engine: Knobs
/midibox_sid_v2_0/lead_engine_knobs/knob_4_assignable_parameters 18 0–127 continuous Lead engine: Knobs
/midibox_sid_v2_0/lead_engine_knobs/knob_5_assignable_parameters 19 0–127 continuous Lead engine: Knobs
/midibox_sid_v2_0/lead_engine_general/bank_change 0 0–7 continuous Lead engine: General
/midibox_sid_v2_0/lead_engine_general/nrpn_msb_value 6 0–127 continuous Lead engine: General
/midibox_sid_v2_0/lead_engine_general/volume 7 0–127 continuous Lead engine: General
/midibox_sid_v2_0/lead_engine_general/nrpn_lsb_value 38 0–127 continuous Lead engine: General
/midibox_sid_v2_0/lead_engine_general/sustain_on_off 64 0–127 continuous Lead engine: General
/midibox_sid_v2_0/lead_engine_general/nrpn_lsb 98 0–127 continuous Lead engine: General
/midibox_sid_v2_0/lead_engine_general/nrpn_msb 99 0–127 continuous Lead engine: General
/midibox_sid_v2_0/lead_engine_general/all_notes_off 123 0–127 continuous Lead engine: General
/midibox_sid_v2_0/bassline_engine_drum_model/drum_model_instrument_1 20 0–127 continuous Bassline engine: Drum model
/midibox_sid_v2_0/bassline_engine_drum_model/drum_model_instrument_2 21 0–127 continuous Bassline engine: Drum model
/midibox_sid_v2_0/bassline_engine_drum_model/drum_model_instrument_3 22 0–127 continuous Bassline engine: Drum model
/midibox_sid_v2_0/bassline_engine_drum_model/drum_model_instrument_4 23 0–127 continuous Bassline engine: Drum model
/midibox_sid_v2_0/bassline_engine_drum_model/drum_model_instrument_5 24 0–127 continuous Bassline engine: Drum model
/midibox_sid_v2_0/bassline_engine_drum_model/drum_model_instrument_6 25 0–127 continuous Bassline engine: Drum model
/midibox_sid_v2_0/bassline_engine_drum_model/drum_model_instrument_7 26 0–127 continuous Bassline engine: Drum model
/midibox_sid_v2_0/bassline_engine_drum_model/drum_model_instrument_8 27 0–127 continuous Bassline engine: Drum model
/midibox_sid_v2_0/bassline_engine_drum_model/drum_model_instrument_9 28 0–127 continuous Bassline engine: Drum model
/midibox_sid_v2_0/bassline_engine_drum_model/drum_model_instrument_10 29 0–127 continuous Bassline engine: Drum model
/midibox_sid_v2_0/bassline_engine_drum_model/drum_model_instrument_11 30 0–127 continuous Bassline engine: Drum model
/midibox_sid_v2_0/bassline_engine_drum_model/drum_model_instrument_12 31 0–127 continuous Bassline engine: Drum model
/midibox_sid_v2_0/bassline_engine_drum_model/drum_model_instrument_13 32 0–127 continuous Bassline engine: Drum model
/midibox_sid_v2_0/bassline_engine_drum_model/drum_model_instrument_14 33 0–127 continuous Bassline engine: Drum model
/midibox_sid_v2_0/bassline_engine_drum_model/drum_model_instrument_15 34 0–127 continuous Bassline engine: Drum model
/midibox_sid_v2_0/bassline_engine_drum_model/drum_model_instrument_16 35 0–127 continuous Bassline engine: Drum model
/midibox_sid_v2_0/bassline_engine_filter/filter_cutoff_frequency 4 0–127 continuous Bassline engine: Filter
/midibox_sid_v2_0/bassline_engine_filter/filter_resonance 5 0–127 continuous Bassline engine: Filter
/midibox_sid_v2_0/bassline_engine_filter/filter_cutoff_frequency_left_channel_sid 8 0–127 continuous Bassline engine: Filter
/midibox_sid_v2_0/bassline_engine_filter/filter_cutoff_frequency_right_channel_sid 9 0–127 continuous Bassline engine: Filter
/midibox_sid_v2_0/bassline_engine_gate_length/gate_length_instrument_1 56 0–127 continuous Bassline engine: Gate length
/midibox_sid_v2_0/bassline_engine_gate_length/gate_length_instrument_2 57 0–127 continuous Bassline engine: Gate length
/midibox_sid_v2_0/bassline_engine_gate_length/gate_length_instrument_3 58 0–127 continuous Bassline engine: Gate length
/midibox_sid_v2_0/bassline_engine_gate_length/gate_length_instrument_4 59 0–127 continuous Bassline engine: Gate length
/midibox_sid_v2_0/bassline_engine_gate_length/gate_length_instrument_5 60 0–127 continuous Bassline engine: Gate length
/midibox_sid_v2_0/bassline_engine_gate_length/gate_length_instrument_6 61 0–127 continuous Bassline engine: Gate length
/midibox_sid_v2_0/bassline_engine_gate_length/gate_length_instrument_7 62 0–127 continuous Bassline engine: Gate length
/midibox_sid_v2_0/bassline_engine_gate_length/gate_length_instrument_8 63 0–127 continuous Bassline engine: Gate length
/midibox_sid_v2_0/bassline_engine_gate_length/gate_length_instrument_9 64 0–127 continuous Bassline engine: Gate length
/midibox_sid_v2_0/bassline_engine_gate_length/gate_length_instrument_10 65 0–127 continuous Bassline engine: Gate length
/midibox_sid_v2_0/bassline_engine_gate_length/gate_length_instrument_11 66 0–127 continuous Bassline engine: Gate length
/midibox_sid_v2_0/bassline_engine_gate_length/gate_length_instrument_12 67 0–127 continuous Bassline engine: Gate length
/midibox_sid_v2_0/bassline_engine_gate_length/gate_length_instrument_13 68 0–127 continuous Bassline engine: Gate length
/midibox_sid_v2_0/bassline_engine_gate_length/gate_length_instrument_14 69 0–127 continuous Bassline engine: Gate length
/midibox_sid_v2_0/bassline_engine_gate_length/gate_length_instrument_15 70 0–127 continuous Bassline engine: Gate length
/midibox_sid_v2_0/bassline_engine_gate_length/gate_length_instrument_16 71 0–127 continuous Bassline engine: Gate length
/midibox_sid_v2_0/bassline_engine_parameter_3/parameter_3_instrument_1 104 0–127 continuous Bassline engine: Parameter 3
/midibox_sid_v2_0/bassline_engine_parameter_3/parameter_3_instrument_2 105 0–127 continuous Bassline engine: Parameter 3
/midibox_sid_v2_0/bassline_engine_parameter_3/parameter_3_instrument_3 106 0–127 continuous Bassline engine: Parameter 3
/midibox_sid_v2_0/bassline_engine_parameter_3/parameter_3_instrument_4 107 0–127 continuous Bassline engine: Parameter 3
/midibox_sid_v2_0/bassline_engine_parameter_3/parameter_3_instrument_5 108 0–127 continuous Bassline engine: Parameter 3
/midibox_sid_v2_0/bassline_engine_parameter_3/parameter_3_instrument_6 109 0–127 continuous Bassline engine: Parameter 3
/midibox_sid_v2_0/bassline_engine_parameter_3/parameter_3_instrument_7 110 0–127 continuous Bassline engine: Parameter 3
/midibox_sid_v2_0/bassline_engine_parameter_3/parameter_3_instrument_8 111 0–127 continuous Bassline engine: Parameter 3
/midibox_sid_v2_0/bassline_engine_parameter_3/parameter_3_instrument_9 112 0–127 continuous Bassline engine: Parameter 3
/midibox_sid_v2_0/bassline_engine_parameter_3/parameter_3_instrument_10 113 0–127 continuous Bassline engine: Parameter 3
/midibox_sid_v2_0/bassline_engine_parameter_3/parameter_3_instrument_11 114 0–127 continuous Bassline engine: Parameter 3
/midibox_sid_v2_0/bassline_engine_parameter_3/parameter_3_instrument_12 115 0–127 continuous Bassline engine: Parameter 3
/midibox_sid_v2_0/bassline_engine_parameter_3/parameter_3_instrument_13 116 0–127 continuous Bassline engine: Parameter 3
/midibox_sid_v2_0/bassline_engine_parameter_3/parameter_3_instrument_14 117 0–127 continuous Bassline engine: Parameter 3
/midibox_sid_v2_0/bassline_engine_parameter_3/parameter_3_instrument_15 118 0–127 continuous Bassline engine: Parameter 3
/midibox_sid_v2_0/bassline_engine_parameter_3/parameter_3_instrument_16 119 0–127 continuous Bassline engine: Parameter 3
/midibox_sid_v2_0/bassline_engine_tuning/tuning_instrument_1 40 0–127 continuous Bassline engine: Tuning
/midibox_sid_v2_0/bassline_engine_tuning/tuning_instrument_2 41 0–127 continuous Bassline engine: Tuning
/midibox_sid_v2_0/bassline_engine_tuning/tuning_instrument_3 42 0–127 continuous Bassline engine: Tuning
/midibox_sid_v2_0/bassline_engine_tuning/tuning_instrument_4 43 0–127 continuous Bassline engine: Tuning
/midibox_sid_v2_0/bassline_engine_tuning/tuning_instrument_5 44 0–127 continuous Bassline engine: Tuning
/midibox_sid_v2_0/bassline_engine_tuning/tuning_instrument_6 45 0–127 continuous Bassline engine: Tuning
/midibox_sid_v2_0/bassline_engine_tuning/tuning_instrument_7 46 0–127 continuous Bassline engine: Tuning
/midibox_sid_v2_0/bassline_engine_tuning/tuning_instrument_8 47 0–127 continuous Bassline engine: Tuning
/midibox_sid_v2_0/bassline_engine_tuning/tuning_instrument_9 48 0–127 continuous Bassline engine: Tuning
/midibox_sid_v2_0/bassline_engine_tuning/tuning_instrument_10 49 0–127 continuous Bassline engine: Tuning
/midibox_sid_v2_0/bassline_engine_tuning/tuning_instrument_11 50 0–127 continuous Bassline engine: Tuning
/midibox_sid_v2_0/bassline_engine_tuning/tuning_instrument_12 51 0–127 continuous Bassline engine: Tuning
/midibox_sid_v2_0/bassline_engine_tuning/tuning_instrument_13 52 0–127 continuous Bassline engine: Tuning
/midibox_sid_v2_0/bassline_engine_tuning/tuning_instrument_14 53 0–127 continuous Bassline engine: Tuning
/midibox_sid_v2_0/bassline_engine_tuning/tuning_instrument_15 54 0–127 continuous Bassline engine: Tuning
/midibox_sid_v2_0/bassline_engine_tuning/tuning_instrument_16 55 0–127 continuous Bassline engine: Tuning
/midibox_sid_v2_0/bassline_engine_wavetable_speed/wt_speed_instrument_1 72 0–127 continuous Bassline engine: Wavetable speed
/midibox_sid_v2_0/bassline_engine_wavetable_speed/wt_speed_instrument_2 73 0–127 continuous Bassline engine: Wavetable speed
/midibox_sid_v2_0/bassline_engine_wavetable_speed/wt_speed_instrument_3 74 0–127 continuous Bassline engine: Wavetable speed
/midibox_sid_v2_0/bassline_engine_wavetable_speed/wt_speed_instrument_4 75 0–127 continuous Bassline engine: Wavetable speed
/midibox_sid_v2_0/bassline_engine_wavetable_speed/wt_speed_instrument_5 76 0–127 continuous Bassline engine: Wavetable speed
/midibox_sid_v2_0/bassline_engine_wavetable_speed/wt_speed_instrument_6 77 0–127 continuous Bassline engine: Wavetable speed
/midibox_sid_v2_0/bassline_engine_wavetable_speed/wt_speed_instrument_7 78 0–127 continuous Bassline engine: Wavetable speed
/midibox_sid_v2_0/bassline_engine_wavetable_speed/wt_speed_instrument_8 79 0–127 continuous Bassline engine: Wavetable speed
/midibox_sid_v2_0/bassline_engine_wavetable_speed/wt_speed_instrument_9 80 0–127 continuous Bassline engine: Wavetable speed
/midibox_sid_v2_0/bassline_engine_wavetable_speed/wt_speed_instrument_10 81 0–127 continuous Bassline engine: Wavetable speed
/midibox_sid_v2_0/bassline_engine_wavetable_speed/wt_speed_instrument_11 82 0–127 continuous Bassline engine: Wavetable speed
/midibox_sid_v2_0/bassline_engine_wavetable_speed/wt_speed_instrument_12 83 0–127 continuous Bassline engine: Wavetable speed
/midibox_sid_v2_0/bassline_engine_wavetable_speed/wt_speed_instrument_13 84 0–127 continuous Bassline engine: Wavetable speed
/midibox_sid_v2_0/bassline_engine_wavetable_speed/wt_speed_instrument_14 85 0–127 continuous Bassline engine: Wavetable speed
/midibox_sid_v2_0/bassline_engine_wavetable_speed/wt_speed_instrument_15 86 0–127 continuous Bassline engine: Wavetable speed
/midibox_sid_v2_0/bassline_engine_wavetable_speed/wt_speed_instrument_16 97 0–127 continuous Bassline engine: Wavetable speed
/midibox_sid_v2_0/bassline_engine_knobs/knob_1_assignable_parameters 1 0–127 continuous Bassline engine: Knobs
/midibox_sid_v2_0/bassline_engine_knobs/knob_2_assignable_parameters 16 0–127 continuous Bassline engine: Knobs
/midibox_sid_v2_0/bassline_engine_knobs/knob_3_assignable_parameters 17 0–127 continuous Bassline engine: Knobs
/midibox_sid_v2_0/bassline_engine_knobs/knob_4_assignable_parameters 18 0–127 continuous Bassline engine: Knobs
/midibox_sid_v2_0/bassline_engine_knobs/knob_5_assignable_parameters 19 0–127 continuous Bassline engine: Knobs
/midibox_sid_v2_0/bassline_engine_general/bank_change 0 0–7 continuous Bassline engine: General
/midibox_sid_v2_0/bassline_engine_general/nrpn_msb_value 6 0–127 continuous Bassline engine: General
/midibox_sid_v2_0/bassline_engine_general/volume 7 0–127 continuous Bassline engine: General
/midibox_sid_v2_0/bassline_engine_general/nrpn_lsb_value 38 0–127 continuous Bassline engine: General
/midibox_sid_v2_0/bassline_engine_general/nrpn_lsb 98 0–127 continuous Bassline engine: General
/midibox_sid_v2_0/bassline_engine_general/nrpn_msb 99 0–127 continuous Bassline engine: General
/midibox_sid_v2_0/bassline_engine_general/all_notes_off 123 0–127 continuous Bassline engine: General
/midibox_sid_v2_0/multi_engine_envelopes/envelope_1_pitch_depth 40 0–127 continuous Multi engine: Envelopes
/midibox_sid_v2_0/multi_engine_envelopes/envelope_1_pulsewidth_depth 41 0–127 continuous Multi engine: Envelopes
/midibox_sid_v2_0/multi_engine_envelopes/envelope_1_filter_depth 42 0–127 continuous Multi engine: Envelopes
/midibox_sid_v2_0/multi_engine_envelopes/envelope_1_attack_1 43 0–127 continuous Multi engine: Envelopes
/midibox_sid_v2_0/multi_engine_envelopes/envelope_1_decay_2 44 0–127 continuous Multi engine: Envelopes
/midibox_sid_v2_0/multi_engine_envelopes/envelope_1_sustain 45 0–127 continuous Multi engine: Envelopes
/midibox_sid_v2_0/multi_engine_envelopes/envelope_1_release_1 46 0–127 continuous Multi engine: Envelopes
/midibox_sid_v2_0/multi_engine_filter/filter_cutoff_frequency 4 0–127 continuous Multi engine: Filter
/midibox_sid_v2_0/multi_engine_filter/filter_resonance 5 0–127 continuous Multi engine: Filter
/midibox_sid_v2_0/multi_engine_filter/filter_cutoff_frequency_left_channel_sid 8 0–127 continuous Multi engine: Filter
/midibox_sid_v2_0/multi_engine_filter/filter_cutoff_frequency_right_channel_sid 9 0–127 continuous Multi engine: Filter
/midibox_sid_v2_0/multi_engine_lfos/lfo_1_pitch_depth 50 0–127 continuous Multi engine: LFOs
/midibox_sid_v2_0/multi_engine_lfos/lfo_1_pulsewidth_depth 51 0–127 continuous Multi engine: LFOs
/midibox_sid_v2_0/multi_engine_lfos/lfo_1_filter_depth 52 0–127 continuous Multi engine: LFOs
/midibox_sid_v2_0/multi_engine_lfos/lfo_1_rate 53 0–127 continuous Multi engine: LFOs
/midibox_sid_v2_0/multi_engine_lfos/lfo_2_pitch_depth 54 0–127 continuous Multi engine: LFOs
/midibox_sid_v2_0/multi_engine_lfos/lfo_2_pulsewidth_depth 55 0–127 continuous Multi engine: LFOs
/midibox_sid_v2_0/multi_engine_lfos/lfo_2_filter_depth 56 0–127 continuous Multi engine: LFOs
/midibox_sid_v2_0/multi_engine_lfos/lfo_2_rate 57 0–127 continuous Multi engine: LFOs
/midibox_sid_v2_0/multi_engine_vca/vca_attack 72 0–15 continuous Multi engine: VCA
/midibox_sid_v2_0/multi_engine_vca/vca_decay 76 0–15 continuous Multi engine: VCA
/midibox_sid_v2_0/multi_engine_vca/vca_sustain 80 0–15 continuous Multi engine: VCA
/midibox_sid_v2_0/multi_engine_vca/vca_release 84 0–15 continuous Multi engine: VCA
/midibox_sid_v2_0/multi_engine_voice/voice_waveform 20 0–127 continuous Multi engine: Voice
/midibox_sid_v2_0/multi_engine_voice/voice_transpose 24 0–127 continuous Multi engine: Voice
/midibox_sid_v2_0/multi_engine_voice/voice_finetune 28 0–127 continuous Multi engine: Voice
/midibox_sid_v2_0/multi_engine_voice/voice_portamento_rate 32 0–127 continuous Multi engine: Voice
/midibox_sid_v2_0/multi_engine_voice/voice_arp_speed 36 0–63 continuous Multi engine: Voice
/midibox_sid_v2_0/multi_engine_voice/voice_arp_gate_length 37 0–31 continuous Multi engine: Voice
/midibox_sid_v2_0/multi_engine_voice/voice_pulsewidth 68 0–127 continuous Multi engine: Voice
/midibox_sid_v2_0/multi_engine_knobs/knob_1_assignable_parameters 1 0–127 continuous Multi engine: Knobs
/midibox_sid_v2_0/multi_engine_knobs/knob_2_assignable_parameters 16 0–127 continuous Multi engine: Knobs
/midibox_sid_v2_0/multi_engine_knobs/knob_3_assignable_parameters 17 0–127 continuous Multi engine: Knobs
/midibox_sid_v2_0/multi_engine_knobs/knob_4_assignable_parameters 18 0–127 continuous Multi engine: Knobs
/midibox_sid_v2_0/multi_engine_knobs/knob_5_assignable_parameters 19 0–127 continuous Multi engine: Knobs
/midibox_sid_v2_0/multi_engine_general/bank_change 0 0–7 continuous Multi engine: General
/midibox_sid_v2_0/multi_engine_general/nrpn_msb_value 6 0–127 continuous Multi engine: General
/midibox_sid_v2_0/multi_engine_general/volume 7 0–127 continuous Multi engine: General
/midibox_sid_v2_0/multi_engine_general/nrpn_lsb_value 38 0–127 continuous Multi engine: General
/midibox_sid_v2_0/multi_engine_general/nrpn_lsb 98 0–127 continuous Multi engine: General
/midibox_sid_v2_0/multi_engine_general/nrpn_msb 99 0–127 continuous Multi engine: General
/midibox_sid_v2_0/multi_engine_general/all_notes_off 123 0–127 continuous Multi engine: General

Performance MIDI

Notes, pitch bend and any CC are also available: /midibox_sid_v2_0/note/on <note> <velocity>, /midibox_sid_v2_0/cc/<number> <value>, /midibox_sid_v2_0/pitchbend <0-16383>, /midibox_sid_v2_0/program_change <n>.

Limitations

CC/NRPN only. SysEx (preset management, display control, bulk dump/load, vendor-proprietary opcodes) is NOT covered by pencilresearch. To extend this device with SysEx, sniff the vendor editor, add `sysex.header/footer` + `commands` blocks, and use `update_device.md` PR template.

Frequently asked questions

Which MIDI CC controls the filter cutoff on the uCApps.de MIDIbox SID v2.0?

CC 4 (0–127), named /midibox_sid_v2_0/lead_engine_filter/filter_cutoff_frequency in SynthHub's map.

How many parameters of the uCApps.de MIDIbox SID v2.0 can be controlled over MIDI?

SynthHub's map of the uCApps.de MIDIbox SID v2.0 lists 225 MIDI CC parameters, each with its number, range and a readable name; the full chart is on this page.

Can an AI agent like Claude control the uCApps.de MIDIbox SID v2.0?

Yes: SynthHub's hosted MCP server knows the uCApps.de MIDIbox SID v2.0's MIDI map, and its browser relay lets the agent send it parameter changes or load a sound, each sound change confirmed by you.