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Elektron OCTATRACK SELECT COL MIDI CC chart, NRPN and OSC map

The Elektron OCTATRACK SELECT COL MIDI implementation: 187 CC, each named, for Claude (MCP), SuperCollider or any OSC app.

Device Elektron OCTATRACK SELECT COL
Vendor Elektron
OSC prefix /octatrack_select_col
Source πŸŽ›οΈ Derived from an Electra One community preset
Revision per Electra preset
Upstream electra-preset
Driver file devices/elektron/octatrack_select_col.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/elektron/octatrack_select_col.json --out-port <N> --in-port <M>

Then send OSC to 127.0.0.1:7777, for example:

osc-bridge osc-send /octatrack_select_col/atk 63

From Claude or any MCP client, the osc-bridge mcp server exposes this driver as octatrack_select_col: ask β€œwhat can the Elektron OCTATRACK SELECT COL do?” and it reads this map with list_routes. See the MCP guide.

MIDI CC and NRPN parameters (187)

OSC address CC NRPN (MSB/LSB) Range Nature Section
/octatrack_select_col/atk 22 0–127 continuous
/octatrack_select_col/spd1_step 28 0–127 continuous
/octatrack_select_col/spd2_step 29 0–127 continuous
/octatrack_select_col/spd3_step 30 0–127 continuous
/octatrack_select_col/amp_vol 25 -64–63 continuous
/octatrack_select_col/rel 24 0–127 continuous
/octatrack_select_col/dep_1 31 0–127 continuous
/octatrack_select_col/dep_2 32 0–127 continuous
/octatrack_select_col/dep_3 33 0–127 continuous
/octatrack_select_col/dump_req 61 0–127 continuous
/octatrack_select_col/ptch 16 0–127 continuous
/octatrack_select_col/rate 19 0–127 continuous
/octatrack_select_col/step_strt 17 0–127 continuous
/octatrack_select_col/step_len 18 0–127 continuous
/octatrack_select_col/on_off 49 0–127 continuous
/octatrack_select_col/vol_1 46 0–127 continuous
/octatrack_select_col/base 34 0–127 continuous
/octatrack_select_col/wdth 35 0–127 continuous
/octatrack_select_col/q 36 0–127 continuous
/octatrack_select_col/time 40 0–127 continuous
/octatrack_select_col/fb 41 0–127 continuous
/octatrack_select_col/send 45 0–127 continuous
/octatrack_select_col/trk4_on_off 49 0–127 continuous
/octatrack_select_col/2 46 0–127 continuous
/octatrack_select_col/3 46 0–127 continuous
/octatrack_select_col/5 46 0–127 continuous
/octatrack_select_col/6 46 0–127 continuous
/octatrack_select_col/7 46 0–127 continuous
/octatrack_select_col/trk8_on_off 49 0–127 continuous
/octatrack_select_col/on_off 49 0–127 continuous
/octatrack_select_col/on_off 49 0–127 continuous
/octatrack_select_col/on_off 49 0–127 continuous
/octatrack_select_col/on_off 49 0–127 continuous
/octatrack_select_col/on_off 49 0–127 continuous
/octatrack_select_col/atk 22 0–127 continuous
/octatrack_select_col/spd1_step 28 0–127 continuous
/octatrack_select_col/spd2_step 29 0–127 continuous
/octatrack_select_col/spd3_step 30 0–127 continuous
/octatrack_select_col/amp_vol 25 -64–63 continuous
/octatrack_select_col/rel 24 0–127 continuous
/octatrack_select_col/dep_1 31 0–127 continuous
/octatrack_select_col/dep_2 32 0–127 continuous
/octatrack_select_col/dep_3 33 0–127 continuous
/octatrack_select_col/ptch 16 0–127 continuous
/octatrack_select_col/rate 19 0–127 continuous
/octatrack_select_col/step_strt 17 0–127 continuous
/octatrack_select_col/step_len 18 0–127 continuous
/octatrack_select_col/base 34 0–127 continuous
/octatrack_select_col/wdth 35 0–127 continuous
/octatrack_select_col/q 36 0–127 continuous
/octatrack_select_col/time 40 0–127 continuous
/octatrack_select_col/fb 41 0–127 continuous
/octatrack_select_col/send 45 0–127 continuous
/octatrack_select_col/atk 22 0–127 continuous
/octatrack_select_col/spd1_step 28 0–127 continuous
/octatrack_select_col/spd2_step 29 0–127 continuous
/octatrack_select_col/spd3_step 30 0–127 continuous
/octatrack_select_col/amp_vol 25 -64–63 continuous
/octatrack_select_col/rel 24 0–127 continuous
/octatrack_select_col/dep_1 31 0–127 continuous
/octatrack_select_col/dep_2 32 0–127 continuous
/octatrack_select_col/dep_3 33 0–127 continuous
/octatrack_select_col/ptch 16 0–127 continuous
/octatrack_select_col/rate 19 0–127 continuous
/octatrack_select_col/step_strt 17 0–127 continuous
/octatrack_select_col/step_len 18 0–127 continuous
/octatrack_select_col/base 34 0–127 continuous
/octatrack_select_col/wdth 35 0–127 continuous
/octatrack_select_col/q 36 0–127 continuous
/octatrack_select_col/time 40 0–127 continuous
/octatrack_select_col/fb 41 0–127 continuous
/octatrack_select_col/send 45 0–127 continuous
/octatrack_select_col/atk 22 0–127 continuous
/octatrack_select_col/spd1_step 28 0–127 continuous
/octatrack_select_col/spd2_step 29 0–127 continuous
/octatrack_select_col/spd3_step 30 0–127 continuous
/octatrack_select_col/amp_vol 25 -64–63 continuous
/octatrack_select_col/rel 24 0–127 continuous
/octatrack_select_col/dep_1 31 0–127 continuous
/octatrack_select_col/dep_2 32 0–127 continuous
/octatrack_select_col/dep_3 33 0–127 continuous
/octatrack_select_col/ptch 16 0–127 continuous
/octatrack_select_col/rate 19 0–127 continuous
/octatrack_select_col/step_strt 17 0–127 continuous
/octatrack_select_col/step_len 18 0–127 continuous
/octatrack_select_col/base 34 0–127 continuous
/octatrack_select_col/wdth 35 0–127 continuous
/octatrack_select_col/q 36 0–127 continuous
/octatrack_select_col/time 40 0–127 continuous
/octatrack_select_col/fb 41 0–127 continuous
/octatrack_select_col/send 45 0–127 continuous
/octatrack_select_col/atk 22 0–127 continuous
/octatrack_select_col/spd1_step 28 0–127 continuous
/octatrack_select_col/spd1_step 29 0–127 continuous
/octatrack_select_col/spd3_step 30 0–127 continuous
/octatrack_select_col/balance 26 -64–63 continuous
/octatrack_select_col/rel 24 0–127 continuous
/octatrack_select_col/dep_1 31 0–127 continuous
/octatrack_select_col/dep_2 32 0–127 continuous
/octatrack_select_col/dep_3 33 0–127 continuous
/octatrack_select_col/ptch 16 0–127 continuous
/octatrack_select_col/rate 19 0–127 continuous
/octatrack_select_col/step_strt 17 0–127 continuous
/octatrack_select_col/step_len 18 0–127 continuous
/octatrack_select_col/base 34 0–127 continuous
/octatrack_select_col/wdth 35 0–127 continuous
/octatrack_select_col/q 36 0–127 continuous
/octatrack_select_col/time 40 0–127 continuous
/octatrack_select_col/fb 41 0–127 continuous
/octatrack_select_col/send 45 0–127 continuous
/octatrack_select_col/atk 22 0–127 continuous
/octatrack_select_col/spd1_step 28 0–127 continuous
/octatrack_select_col/spd2_step 29 0–127 continuous
/octatrack_select_col/spd3_step 30 0–127 continuous
/octatrack_select_col/balance 26 -64–63 continuous
/octatrack_select_col/rel 24 0–127 continuous
/octatrack_select_col/dep_1 31 0–127 continuous
/octatrack_select_col/dep_2 32 0–127 continuous
/octatrack_select_col/dep_3 33 0–127 continuous
/octatrack_select_col/ptch 16 0–127 continuous
/octatrack_select_col/rate 19 0–127 continuous
/octatrack_select_col/step_strt 17 0–127 continuous
/octatrack_select_col/step_len 18 0–127 continuous
/octatrack_select_col/base 34 0–127 continuous
/octatrack_select_col/wdth 35 0–127 continuous
/octatrack_select_col/q 36 0–127 continuous
/octatrack_select_col/time 40 0–127 continuous
/octatrack_select_col/fb 41 0–127 continuous
/octatrack_select_col/send 45 0–127 continuous
/octatrack_select_col/atk 22 0–127 continuous
/octatrack_select_col/spd1_step 28 0–127 continuous
/octatrack_select_col/spd2_step 29 0–127 continuous
/octatrack_select_col/spd3_step 30 0–127 continuous
/octatrack_select_col/amp_vol 25 -64–63 continuous
/octatrack_select_col/rel 24 0–127 continuous
/octatrack_select_col/dep_1 31 0–127 continuous
/octatrack_select_col/dep_2 32 0–127 continuous
/octatrack_select_col/dep_3 33 0–127 continuous
/octatrack_select_col/ptch 16 0–127 continuous
/octatrack_select_col/rate 19 0–127 continuous
/octatrack_select_col/step_strt 17 0–127 continuous
/octatrack_select_col/step_len 18 0–127 continuous
/octatrack_select_col/vol_4 46 0–127 continuous
/octatrack_select_col/base 34 0–127 continuous
/octatrack_select_col/wdth 35 0–127 continuous
/octatrack_select_col/q 36 0–127 continuous
/octatrack_select_col/time 40 0–127 continuous
/octatrack_select_col/fb 41 0–127 continuous
/octatrack_select_col/send 45 0–127 continuous
/octatrack_select_col/atk 22 0–127 continuous
/octatrack_select_col/spd1_step 28 0–127 continuous
/octatrack_select_col/spd1_step 29 0–127 continuous
/octatrack_select_col/spd3_step 30 0–127 continuous
/octatrack_select_col/balance 26 -64–63 continuous
/octatrack_select_col/rel 24 0–127 continuous
/octatrack_select_col/dep_1 31 0–127 continuous
/octatrack_select_col/dep_2 32 0–127 continuous
/octatrack_select_col/dep_3 33 0–127 continuous
/octatrack_select_col/ptch 16 0–127 continuous
/octatrack_select_col/rate 19 0–127 continuous
/octatrack_select_col/step_strt 17 0–127 continuous
/octatrack_select_col/step_len 18 0–127 continuous
/octatrack_select_col/vol_8 46 0–127 continuous
/octatrack_select_col/base 34 0–127 continuous
/octatrack_select_col/wdth 35 0–127 continuous
/octatrack_select_col/q 36 0–127 continuous
/octatrack_select_col/time 40 0–127 continuous
/octatrack_select_col/fb 41 0–127 continuous
/octatrack_select_col/send 45 0–127 continuous
/octatrack_select_col/str_rtrg_rtin 20 0–127 continuous
/octatrack_select_col/str_rtrg_rtin 21 0–127 continuous
/octatrack_select_col/str_rtrg_rtin 20 0–127 continuous
/octatrack_select_col/str_rtrg_rtin 21 0–127 continuous
/octatrack_select_col/str_rtrg_rtin 20 0–127 continuous
/octatrack_select_col/str_rtrg_rtin 21 0–127 continuous
/octatrack_select_col/str_rtrg_rtin 20 0–127 continuous
/octatrack_select_col/str_rtrg_rtin 21 0–127 continuous
/octatrack_select_col/str_rtrg_rtin 20 0–127 continuous
/octatrack_select_col/str_rtrg_rtin 21 0–127 continuous
/octatrack_select_col/str_rtrg_rtin 20 0–127 continuous
/octatrack_select_col/str_rtrg_rtin 21 0–127 continuous
/octatrack_select_col/tm_fb_snd_bs 43 0–127 continuous
/octatrack_select_col/tm_fb_snd_bs 43 0–127 continuous
/octatrack_select_col/tm_fb_snd_bs 43 0–127 continuous
/octatrack_select_col/tm_fb_snd_bs 43 0–127 continuous
/octatrack_select_col/tm_fb_snd_bs 43 0–127 continuous
/octatrack_select_col/tm_fb_snd_bs 43 0–127 continuous

Performance MIDI

Notes, pitch bend and any CC are also available: /octatrack_select_col/note/on <note> <velocity>, /octatrack_select_col/cc/<number> <value>, /octatrack_select_col/pitchbend <0-16383>, /octatrack_select_col/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 Elektron OCTATRACK SELECT COL can be controlled over MIDI?

SynthHub's map of the Elektron OCTATRACK SELECT COL lists 187 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 Elektron OCTATRACK SELECT COL?

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