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Moog Sub Phatty MIDI CC chart, NRPN and OSC map

The Moog Sub Phatty MIDI implementation: 70 CC, each named, for Claude (MCP), SuperCollider or any OSC app.

Device Moog Sub Phatty
Vendor Moog
OSC prefix /sub_phatty
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/moog/sub_phatty.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/moog/sub_phatty.json --out-port <N> --in-port <M>

Then send OSC to 127.0.0.1:7777, for example:

osc-bridge osc-send /sub_phatty/amplifier_eg/attack 8191

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

MIDI CC and NRPN parameters (70)

OSC address CC NRPN (MSB/LSB) Range Nature Section
/sub_phatty/amplifier_eg/attack 28 / 60 0–16383 continuous Amplifier EG
/sub_phatty/amplifier_eg/decay 29 / 61 0–16383 continuous Amplifier EG
/sub_phatty/amplifier_eg/sustain 30 / 62 0–16383 continuous Amplifier EG
/sub_phatty/amplifier_eg/release 31 / 63 0–16383 continuous Amplifier EG
/sub_phatty/filter_eg/attack 23 / 55 0–16383 continuous Filter EG
/sub_phatty/filter_eg/decay 24 / 56 0–16383 continuous Filter EG
/sub_phatty/filter_eg/sustain 25 / 57 0–16383 continuous Filter EG
/sub_phatty/filter_eg/release 26 / 58 0–16383 continuous Filter EG
/sub_phatty/vcos/vco_1_level 15 / 47 0–16383 continuous VCOs
/sub_phatty/vcos/vco_2_level 16 / 48 0–16383 continuous VCOs
/sub_phatty/vcos/noise_level 8 / 40 0–16383 continuous VCOs
/sub_phatty/vcos/vco_1_sub_level 17 / 49 0–16383 continuous VCOs
/sub_phatty/vcos/vco_1_wave 9 / 41 0–16383 continuous VCOs
/sub_phatty/vcos/vco_2_wave 14 / 46 0–16383 continuous VCOs
/sub_phatty/vcos/vco_2_frequency 12 / 44 0–16383 continuous VCOs
/sub_phatty/vcos/vco_2_beat_frequency 13 / 45 0–16383 continuous VCOs
/sub_phatty/vcos/vco_2_hard_sync 77 0–127 continuous VCOs
/sub_phatty/vcos/vco_gate_reset 81 0–127 continuous VCOs
/sub_phatty/filter/cutoff_frequency 19 / 51 0–16383 continuous Filter
/sub_phatty/filter/resonance 21 / 53 0–16383 continuous Filter
/sub_phatty/filter/kb_tracking_amount 27 / 59 0–16383 continuous Filter
/sub_phatty/filter/eg_amount 22 / 54 0–16383 continuous Filter
/sub_phatty/general/multidrive_amount 18 / 50 0–16383 continuous General
/sub_phatty/filter_eg/velocity_to_amplitude 110 0–127 continuous Filter EG
/sub_phatty/amplifier_eg/velocity_to_amplitude 92 0–127 continuous Amplifier EG
/sub_phatty/general/note_priority 111 0–127 continuous General
/sub_phatty/general/release_on_off 88 0–127 continuous General
/sub_phatty/general/modulation_source 71 0–127 continuous General
/sub_phatty/lfo/rate 3 / 35 0–16383 continuous LFO
/sub_phatty/lfo/midi_sync 102 0–127 continuous LFO
/sub_phatty/lfo/gate_reset 93 0–127 continuous LFO
/sub_phatty/general/filter_mod_amount 2 / 34 0–16383 continuous General
/sub_phatty/general/pitch_mod_amount 4 / 36 0–16383 continuous General
/sub_phatty/general/wave_mod_amount 20 / 52 0–16383 continuous General
/sub_phatty/general/pitch_bend_up 107 0–127 continuous General
/sub_phatty/general/pitch_bend_down 108 0–127 continuous General
/sub_phatty/glide/on_off 65 0–127 continuous Glide
/sub_phatty/glide/legato 94 0–127 continuous Glide
/sub_phatty/glide/rate 5 / 37 0–16383 continuous Glide
/sub_phatty/glide/type 85 0–127 continuous Glide
/sub_phatty/lfo/kb_tracking_amount 78 0–127 continuous LFO
/sub_phatty/amplifier_eg/reset 83 0–127 continuous Amplifier EG
/sub_phatty/filter_eg/reset 82 0–127 continuous Filter EG
/sub_phatty/general/output_level 7 / 39 0–16383 continuous General
/sub_phatty/general/keyboard_octave 89 0–127 continuous General
/sub_phatty/general/external_input_level 116 0–127 continuous General
/sub_phatty/amplifier_eg/delay 104 0–127 continuous Amplifier EG
/sub_phatty/amplifier_eg/hold 106 0–127 continuous Amplifier EG
/sub_phatty/filter_eg/delay 103 0–127 continuous Filter EG
/sub_phatty/filter_eg/hold 105 0–127 continuous Filter EG
/sub_phatty/vcos/pitch_mod_oscillator_2_only 70 0–127 continuous VCOs
/sub_phatty/general/modulation_wheel 1 0–127 continuous General
/sub_phatty/general/wave_mod_destination 72 0–127 continuous General
/sub_phatty/vcos/vco_1_octave 74 0–127 continuous VCOs
/sub_phatty/vcos/vco_2_octave 75 0–127 continuous VCOs
/sub_phatty/filter/poles 109 0–127 continuous Filter
/sub_phatty/lfo/range 76 0–127 continuous LFO
/sub_phatty/general/legato 68 0–127 continuous General
/sub_phatty/general/keyboard_transpose 119 0–127 continuous General
/sub_phatty/glide/gated_glide 73 0–127 continuous Glide
/sub_phatty/filter_eg/repeat 112 0–127 continuous Filter EG
/sub_phatty/filter_eg/velocity_to_time 86 0–127 continuous Filter EG
/sub_phatty/filter_eg/kb_amount 79 0–127 continuous Filter EG
/sub_phatty/filter_eg/gate_source 90 0–127 continuous Filter EG
/sub_phatty/amplifier_eg/repeat 113 0–127 continuous Amplifier EG
/sub_phatty/amplifier_eg/velocity_to_time 87 0–127 continuous Amplifier EG
/sub_phatty/amplifier_eg/kb_amount 80 0–127 continuous Amplifier EG
/sub_phatty/general/volume_eg_gate_source 91 0–127 continuous General
/sub_phatty/filter_eg/trigger_mode 114 0–127 continuous Filter EG
/sub_phatty/amplifier_eg/trigger_mode 115 0–127 continuous Amplifier EG

Performance MIDI

Notes, pitch bend and any CC are also available: /sub_phatty/note/on <note> <velocity>, /sub_phatty/cc/<number> <value>, /sub_phatty/pitchbend <0-16383>, /sub_phatty/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 Moog Sub Phatty?

CC 19 (0–16383), named /sub_phatty/filter/cutoff_frequency in SynthHub's map.

How many parameters of the Moog Sub Phatty can be controlled over MIDI?

SynthHub's map of the Moog Sub Phatty lists 70 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 Moog Sub Phatty?

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