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discoDSP Discovery Pro MIDI CC chart, NRPN and OSC map

The discoDSP Discovery Pro MIDI implementation: 112 CC, each named, for Claude (MCP), SuperCollider or any OSC app.

Device discoDSP Discovery Pro
Vendor discoDSP
OSC prefix /discovery_pro
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/discodsp/discovery_pro.pencilresearch.fw-unknown.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/discodsp/discovery_pro.pencilresearch.fw-unknown.json --out-port <N> --in-port <M>

Then send OSC to 127.0.0.1:7777, for example:

osc-bridge osc-send /discovery_pro/global/mod_wheel 63

From Claude or any MCP client, the osc-bridge mcp server exposes this driver as discovery_pro: ask β€œwhat can the discoDSP Discovery Pro do?” and it reads this map with list_routes. See the MCP guide.

MIDI CC and NRPN parameters (112)

OSC address CC NRPN (MSB/LSB) Range Nature Section
/discovery_pro/global/mod_wheel 1 0–127 continuous Global
/discovery_pro/global/portamento 5 0–127 continuous Global
/discovery_pro/amp/gain 7 0–127 continuous Amp
/discovery_pro/oscillator/osc_mix 8 0–127 continuous Oscillator
/discovery_pro/global/master_volume 12 0–127 continuous Global
/discovery_pro/global/morph_assign 14 0–127 continuous Global
/discovery_pro/global/play_mode 15 0–2 continuous Global
/discovery_pro/global/unison 16 0–127 continuous Global
/discovery_pro/global/octave_shift 17 0–127 continuous Global
/discovery_pro/global/wheel_mode 18 0–5 continuous Global
/discovery_pro/lfo_1/lfo1_rate 19 0–127 continuous LFO 1
/discovery_pro/lfo_1/lfo1_waveform 20 0–9 continuous LFO 1
/discovery_pro/lfo_1/lfo1_destination 21 0–4 continuous LFO 1
/discovery_pro/lfo_1/lfo1_amount 22 0–127 continuous LFO 1
/discovery_pro/lfo_2/lfo2_rate 23 0–127 continuous LFO 2
/discovery_pro/global/layer_apply_midi_cc_1 24 0–9 continuous Global
/discovery_pro/lfo_2/lfo2_amount 25 0–127 continuous LFO 2
/discovery_pro/mod_envelope/mod_env_attack 26 0–127 continuous Mod Envelope
/discovery_pro/mod_envelope/mod_env_decay 27 0–127 continuous Mod Envelope
/discovery_pro/mod_envelope/mod_env_destination 28 0–4 continuous Mod Envelope
/discovery_pro/mod_envelope/mod_env_amount 29 0–127 continuous Mod Envelope
/discovery_pro/oscillator/osc_1_waveform 30 0–6 continuous Oscillator
/discovery_pro/oscillator/osc_2_waveform 31 0–7 continuous Oscillator
/discovery_pro/oscillator/osc_2_finetune 33 0–127 continuous Oscillator
/discovery_pro/oscillator/osc_2_kbd_track 34 0–127 continuous Oscillator
/discovery_pro/oscillator/osc_mode 35 0–3 continuous Oscillator
/discovery_pro/amp_envelope/amp_decay 36 0–127 continuous Amp Envelope
/discovery_pro/amp_envelope/amp_sustain 37 0–127 continuous Amp Envelope
/discovery_pro/filter_envelope/filter_decay 39 0–127 continuous Filter Envelope
/discovery_pro/filter_envelope/filter_sustain 40 0–127 continuous Filter Envelope
/discovery_pro/filter_envelope/filter_release 41 0–127 continuous Filter Envelope
/discovery_pro/filter/resonance 42 0–127 continuous Filter
/discovery_pro/filter/env_amount 43 0–127 continuous Filter
/discovery_pro/filter/type 44 0–15 continuous Filter
/discovery_pro/filter/velocity 45 0–127 continuous Filter
/discovery_pro/filter/kbd_track 46 0–3 continuous Filter
/discovery_pro/wave/layer_apply_midi_cc_2_wave_set 47 0–127 continuous Wave
/discovery_pro/wave/layer_apply_midi_cc_3_wave_bank 48 0–127 continuous Wave
/discovery_pro/oscillator/osc_enable 49 0–2 continuous Oscillator
/discovery_pro/global/unison_mode_alt 50 0–7 continuous Global
/discovery_pro/global/portamento_auto 65 0–127 continuous Global
/discovery_pro/oscillator/osc_1_fm_amount 70 0–127 continuous Oscillator
/discovery_pro/global/click_style_midi_cc 71 0–127 continuous Global
/discovery_pro/amp_envelope/amp_release 72 0–127 continuous Amp Envelope
/discovery_pro/amp_envelope/amp_attack 73 0–127 continuous Amp Envelope
/discovery_pro/filter/frequency 74 0–127 continuous Filter
/discovery_pro/oscillator/osc_2_semitones 78 0–127 continuous Oscillator
/discovery_pro/oscillator/osc_pulse_width 79 0–127 continuous Oscillator
/discovery_pro/filter/distortion 80 0–4 continuous Filter
/discovery_pro/delay/level 81 0–127 continuous Delay
/discovery_pro/delay/left_time 82 0–127 continuous Delay
/discovery_pro/delay/right_time 83 0–127 continuous Delay
/discovery_pro/delay/feedback_left 84 0–127 continuous Delay
/discovery_pro/delay/feedback_right 85 0–127 continuous Delay
/discovery_pro/pan/position 86 0–127 continuous Pan
/discovery_pro/pan/mod_rate 87 0–127 continuous Pan
/discovery_pro/pan/mod_amount 88 0–127 continuous Pan
/discovery_pro/filter_envelope/filter_attack 89 0–127 continuous Filter Envelope
/discovery_pro/lfo_1/lfo1_sync 90 0–127 continuous LFO 1
/discovery_pro/lfo_2/lfo2_sync 91 0–127 continuous LFO 2
/discovery_pro/pan/mod_sync 92 0–127 continuous Pan
/discovery_pro/amp/limiter 93 0–127 continuous Amp
/discovery_pro/filter/soft_filter 94 0–127 continuous Filter
/discovery_pro/delay/cross 95 0–127 continuous Delay
/discovery_pro/delay/sync 102 0–127 continuous Delay
/discovery_pro/amp/shape_1 103 0–127 continuous Amp
/discovery_pro/amp/shape_2 104 0–127 continuous Amp
/discovery_pro/amp/shape_3 105 0–127 continuous Amp
/discovery_pro/global/midi_to_velocity_swap 106 0–127 continuous Global
/discovery_pro/gate/level 107 0–127 continuous Gate
/discovery_pro/mod/level 108 0–127 continuous Mod
/discovery_pro/mod/destination 109 0–3 continuous Mod
/discovery_pro/wave/level 110 0–127 continuous Wave
/discovery_pro/layer/a_active 111 0–127 continuous Layer
/discovery_pro/layer/b_active 112 0–127 continuous Layer
/discovery_pro/layer/c_active 113 0–127 continuous Layer
/discovery_pro/layer/d_active 114 0–127 continuous Layer
/discovery_pro/wave/semitones 115 0–127 continuous Wave
/discovery_pro/wave/finetune 116 0–127 continuous Wave
/discovery_pro/wave/kbd_track 117 0–127 continuous Wave
/discovery_pro/wave/mode 118 0–127 continuous Wave
/discovery_pro/pad/mode 119 0–127 continuous Pad
/discovery_pro/button_mode/assign_morph_button 14 0–127 continuous Button Mode
/discovery_pro/button_mode/lfo1_waveform_button 15 0–127 continuous Button Mode
/discovery_pro/button_mode/lfo1_destination_button 16 0–127 continuous Button Mode
/discovery_pro/button_mode/lfo2_arp_hold_button 17 0–127 continuous Button Mode
/discovery_pro/button_mode/lfo2_arp_mode_destination_button 18 0–127 continuous Button Mode
/discovery_pro/button_mode/mod_env_destination_button 19 0–127 continuous Button Mode
/discovery_pro/button_mode/osc_1_waveform_button 20 0–127 continuous Button Mode
/discovery_pro/button_mode/osc_2_waveform_button 21 0–127 continuous Button Mode
/discovery_pro/button_mode/amp_limiter_button 22 0–127 continuous Button Mode
/discovery_pro/button_mode/osc_2_kbd_track_button 23 0–127 continuous Button Mode
/discovery_pro/button_mode/osc_mode_button 24 0–127 continuous Button Mode
/discovery_pro/button_mode/filter_type_prev_button 25 0–127 continuous Button Mode
/discovery_pro/button_mode/filter_type_next_button 26 0–127 continuous Button Mode
/discovery_pro/button_mode/filter_velocity_button 27 0–127 continuous Button Mode
/discovery_pro/button_mode/filter_kbd_track_button 28 0–127 continuous Button Mode
/discovery_pro/button_mode/filter_distortion_button 29 0–127 continuous Button Mode
/discovery_pro/button_mode/wave_kbd_track_button 30 0–127 continuous Button Mode
/discovery_pro/button_mode/octave_down_button 31 0–127 continuous Button Mode
/discovery_pro/button_mode/octave_up_button 32 0–127 continuous Button Mode
/discovery_pro/button_mode/wheel_mode_button 33 0–127 continuous Button Mode
/discovery_pro/button_mode/program_up_button 34 0–127 continuous Button Mode
/discovery_pro/button_mode/program_down_button 35 0–127 continuous Button Mode
/discovery_pro/button_mode/play_mode_button 36 0–127 continuous Button Mode
/discovery_pro/button_mode/portamento_auto_button 37 0–127 continuous Button Mode
/discovery_pro/button_mode/layer_a_select_button 40 0–127 continuous Button Mode
/discovery_pro/button_mode/layer_b_select_button 41 0–127 continuous Button Mode
/discovery_pro/button_mode/layer_c_select_button 42 0–127 continuous Button Mode
/discovery_pro/button_mode/layer_d_select_button 43 0–127 continuous Button Mode
/discovery_pro/button_mode/unison_button 44 0–127 continuous Button Mode
/discovery_pro/button_mode/phaser_chorus_button 45 0–127 continuous Button Mode

Performance MIDI

Notes, pitch bend and any CC are also available: /discovery_pro/note/on <note> <velocity>, /discovery_pro/cc/<number> <value>, /discovery_pro/pitchbend <0-16383>, /discovery_pro/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 discoDSP Discovery Pro?

CC 42 (0–127), named /discovery_pro/filter/resonance in SynthHub's map.

How many parameters of the discoDSP Discovery Pro can be controlled over MIDI?

SynthHub's map of the discoDSP Discovery Pro lists 112 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 discoDSP Discovery Pro?

Yes: SynthHub's hosted MCP server knows the discoDSP Discovery Pro's MIDI map, and its browser relay lets the agent send it parameter changes or load a sound, each sound change confirmed by you.