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Knif Audio Knifonium MIDI CC chart, NRPN and OSC map

The Knif Audio Knifonium MIDI implementation: 102 CC, each named, for Claude (MCP), SuperCollider or any OSC app.

Device Knif Audio Knifonium
Vendor Knif Audio
OSC prefix /knif_audio_knifonium
Source πŸŽ›οΈ Derived from an Electra One community preset
Revision per Electra preset
Upstream electra-preset
Driver file devices/knif-audio/knif_audio_knifonium.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/knif-audio/knif_audio_knifonium.json --out-port <N> --in-port <M>

Then send OSC to 127.0.0.1:7777, for example:

osc-bridge osc-send /knif_audio_knifonium/octave 63

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

MIDI CC and NRPN parameters (102)

OSC address CC NRPN (MSB/LSB) Range Nature Section
/knif_audio_knifonium/octave 1 0–127 continuous
/knif_audio_knifonium/coarse_tune 2 0–127 continuous
/knif_audio_knifonium/waveform 4 0–127 continuous
/knif_audio_knifonium/fine_tune 3 0–127 continuous
/knif_audio_knifonium/mod_amount 13 0–127 continuous
/knif_audio_knifonium/spread 5 0–127 continuous
/knif_audio_knifonium/pulse_width 6 0–127 continuous
/knif_audio_knifonium/pwm_mod_source 8 0–127 continuous
/knif_audio_knifonium/osc_sync 9 0–127 continuous
/knif_audio_knifonium/sync_mod 10 0–127 continuous
/knif_audio_knifonium/fm_mod 11 0–127 continuous
/knif_audio_knifonium/mod_level 12 0–127 continuous
/knif_audio_knifonium/keyboard 18 0–127 continuous
/knif_audio_knifonium/mod_src_env1 14 0–127 continuous
/knif_audio_knifonium/mod_src_lfo 15 0–127 continuous
/knif_audio_knifonium/mod_src_at 16 0–127 continuous
/knif_audio_knifonium/mod_src_ext1 17 0–127 continuous
/knif_audio_knifonium/keyboard 24 0–127 continuous
/knif_audio_knifonium/mod_src_env1 20 0–127 continuous
/knif_audio_knifonium/mod_src_lfo 21 0–127 continuous
/knif_audio_knifonium/mod_src_at 22 0–127 continuous
/knif_audio_knifonium/mod_src_ext2 23 0–127 continuous
/knif_audio_knifonium/octave 25 0–127 continuous
/knif_audio_knifonium/coarse_tune 26 0–127 continuous
/knif_audio_knifonium/waveform 28 0–127 continuous
/knif_audio_knifonium/fine_tune 27 0–127 continuous
/knif_audio_knifonium/mod_amount 19 0–127 continuous
/knif_audio_knifonium/spread 29 0–127 continuous
/knif_audio_knifonium/glide 30 0–127 continuous
/knif_audio_knifonium/glide_mode 31 0–127 continuous
/knif_audio_knifonium/glide_osc_1 32 0–127 continuous
/knif_audio_knifonium/glide_osc_2 33 0–127 continuous
/knif_audio_knifonium/transpose 34 0–127 continuous
/knif_audio_knifonium/vco1 35 0–127 continuous
/knif_audio_knifonium/vco2 36 0–127 continuous
/knif_audio_knifonium/ring_mod 37 0–127 continuous
/knif_audio_knifonium/noise 38 0–127 continuous
/knif_audio_knifonium/noise_type 39 0–127 continuous
/knif_audio_knifonium/mod 40 0–127 continuous
/knif_audio_knifonium/mod 41 0–127 continuous
/knif_audio_knifonium/mod 42 0–127 continuous
/knif_audio_knifonium/frequency 43 0–127 continuous
/knif_audio_knifonium/keyboard_track 44 0–127 continuous
/knif_audio_knifonium/resonance 45 0–127 continuous
/knif_audio_knifonium/mod_amount 46 0–127 continuous
/knif_audio_knifonium/vcf_scaling 98 0–127 continuous
/knif_audio_knifonium/vcf_tuning 99 0–127 continuous
/knif_audio_knifonium/mod_src_env1 47 0–127 continuous
/knif_audio_knifonium/mod_src_lfo 48 0–127 continuous
/knif_audio_knifonium/mod_src_at 49 0–127 continuous
/knif_audio_knifonium/mod_src_ext1 50 0–127 continuous
/knif_audio_knifonium/mod_src_ext2 51 0–127 continuous
/knif_audio_knifonium/vcf_mid_side 100 0–127 continuous
/knif_audio_knifonium/waveform 52 0–127 continuous
/knif_audio_knifonium/range 53 0–127 continuous
/knif_audio_knifonium/speed_unsynced 54 0–127 continuous
/knif_audio_knifonium/symmetry 55 0–127 continuous
/knif_audio_knifonium/amplitude 56 0–127 continuous
/knif_audio_knifonium/pos_neg 57 0–127 continuous
/knif_audio_knifonium/speed_synced 102 0–127 continuous
/knif_audio_knifonium/mw_mod 58 0–127 continuous
/knif_audio_knifonium/kb_trig 59 0–127 continuous
/knif_audio_knifonium/mw_mod 60 0–127 continuous
/knif_audio_knifonium/trig 61 0–127 continuous
/knif_audio_knifonium/attack 62 0–127 continuous
/knif_audio_knifonium/attack 63 0–127 continuous
/knif_audio_knifonium/attack 64 0–127 continuous
/knif_audio_knifonium/attack 65 0–127 continuous
/knif_audio_knifonium/velocity 66 0–127 continuous
/knif_audio_knifonium/gate_on 67 0–127 continuous
/knif_audio_knifonium/time_x5 68 0–127 continuous
/knif_audio_knifonium/trig 69 0–127 continuous
/knif_audio_knifonium/attack 70 0–127 continuous
/knif_audio_knifonium/attack 71 0–127 continuous
/knif_audio_knifonium/attack 72 0–127 continuous
/knif_audio_knifonium/attack 73 0–127 continuous
/knif_audio_knifonium/velocity 74 0–127 continuous
/knif_audio_knifonium/gate_on 75 0–127 continuous
/knif_audio_knifonium/time_x5 76 0–127 continuous
/knif_audio_knifonium/input 77 0–127 continuous
/knif_audio_knifonium/carrier 78 0–127 continuous
/knif_audio_knifonium/drive_vols 79 0–127 continuous
/knif_audio_knifonium/dest 80 0–127 continuous
/knif_audio_knifonium/feedback 81 0–127 continuous
/knif_audio_knifonium/mod 82 0–127 continuous
/knif_audio_knifonium/source 83 0–127 continuous
/knif_audio_knifonium/trig 84 0–127 continuous
/knif_audio_knifonium/dest 85 0–127 continuous
/knif_audio_knifonium/pitch_quant 86 0–127 continuous
/knif_audio_knifonium/pitch 87 0–127 continuous
/knif_audio_knifonium/ext_1 88 0–127 continuous
/knif_audio_knifonium/ext_2 89 0–127 continuous
/knif_audio_knifonium/boost 90 0–127 continuous
/knif_audio_knifonium/lfo_to_vca 91 0–127 continuous
/knif_audio_knifonium/master_vol 7 0–127 continuous
/knif_audio_knifonium/amp_mode 92 0–127 continuous
/knif_audio_knifonium/pb_scale_trim 101 0–127 continuous
/knif_audio_knifonium/pb_scale 93 0–127 continuous
/knif_audio_knifonium/osc_1 94 0–127 continuous
/knif_audio_knifonium/osc_2 95 0–127 continuous
/knif_audio_knifonium/mw_scale 96 0–127 continuous
/knif_audio_knifonium/dest 97 0–127 continuous

Performance MIDI

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

Limitations

Imported from an Electra One community preset. The mapping reflects the preset author's editorial choices: parameter naming, ranges, and which params are exposed. Untested on hardware in this repo.

Frequently asked questions

How many parameters of the Knif Audio Knifonium can be controlled over MIDI?

SynthHub's map of the Knif Audio Knifonium lists 102 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 Knif Audio Knifonium?

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