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Eventide 108 Ultra-Tap wip: MIDI CC, NRPN and OSC map

The Eventide 108 Ultra-Tap wip as named OSC addresses — 56 NRPN — ready to use from Claude (MCP), SuperCollider, Sonic Pi, TouchDesigner or any OSC app via osc-bridge.

Device Eventide 108 Ultra-Tap wip
Vendor Eventide
OSC prefix /108_ultra_tap_wip
Source 🎛️ Derived from an Electra One community preset
Revision per Electra preset
Upstream electra-preset
Driver file devices/eventide/108_ultra_tap_wip.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 — 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/eventide/108_ultra_tap_wip.json --out-port <N> --in-port <M>

Then send OSC to 127.0.0.1:7777, for example:

osc-bridge osc-send /108_ultra_tap_wip/m_length 50

From Claude or any MCP client, the osc-bridge mcp server exposes this driver as 108_ultra_tap_wip: ask “what can the Eventide 108 Ultra-Tap wip do?” and it reads this map with list_routes. See the MCP guide.

MIDI CC and NRPN parameters (56)

OSC address CC NRPN (MSB/LSB) Range Nature Section
/108_ultra_tap_wip/m_length 0 / 2 1–100 continuous
/108_ultra_tap_wip/diffusor 0 / 3 0–100 continuous
/108_ultra_tap_wip/1 0 / 45 0–8000 continuous
/108_ultra_tap_wip/2 0 / 46 0–8000 continuous
/108_ultra_tap_wip/3 0 / 47 0–8000 continuous
/108_ultra_tap_wip/4 0 / 48 0–8000 continuous
/108_ultra_tap_wip/source 0 / 50 1–12 discrete
/108_ultra_tap_wip/master_fdback 0 / 49 -100–99 continuous
/108_ultra_tap_wip/dry_wet/left_mix 0 / 0 0–100 continuous DRY/WET
/108_ultra_tap_wip/dry_wet/right_mix 0 / 1 0–100 continuous DRY/WET
/108_ultra_tap_wip/spacing 0 / 6 0–127 continuous
/108_ultra_tap_wip/weights 0 / 7 0–127 continuous
/108_ultra_tap_wip/pans 0 / 87 0–127 continuous
/108_ultra_tap_wip/width_phase 0 / 4 -100–100 continuous
/108_ultra_tap_wip/stereo_mono 0 / 5 0–127 continuous
/108_ultra_tap_wip/1 0 / 9 0–14500 continuous
/108_ultra_tap_wip/2 0 / 10 0–14500 continuous
/108_ultra_tap_wip/3 0 / 11 0–14500 continuous
/108_ultra_tap_wip/4 0 / 12 0–14500 continuous
/108_ultra_tap_wip/5 0 / 13 0–14500 continuous
/108_ultra_tap_wip/6 0 / 14 0–14500 continuous
/108_ultra_tap_wip/7 0 / 15 0–14500 continuous
/108_ultra_tap_wip/8 0 / 16 0–14500 continuous
/108_ultra_tap_wip/9 0 / 17 0–14500 continuous
/108_ultra_tap_wip/10 0 / 18 0–14500 continuous
/108_ultra_tap_wip/11 0 / 19 0–14500 continuous
/108_ultra_tap_wip/11 0 / 20 0–14500 continuous
/108_ultra_tap_wip/1 0 / 21 -1000–1000 continuous
/108_ultra_tap_wip/2 0 / 22 -1000–1000 continuous
/108_ultra_tap_wip/3 0 / 23 -1000–1000 continuous
/108_ultra_tap_wip/4 0 / 24 -1000–1000 continuous
/108_ultra_tap_wip/5 0 / 25 -1000–1000 continuous
/108_ultra_tap_wip/6 0 / 26 -1000–1000 continuous
/108_ultra_tap_wip/7 0 / 27 -1000–1000 continuous
/108_ultra_tap_wip/8 0 / 28 -1000–1000 continuous
/108_ultra_tap_wip/9 0 / 29 -1000–1000 continuous
/108_ultra_tap_wip/10 0 / 30 -1000–1000 continuous
/108_ultra_tap_wip/11 0 / 31 -1000–1000 continuous
/108_ultra_tap_wip/12 0 / 32 -1000–1000 continuous
/108_ultra_tap_wip/1 0 / 33 -11–11 discrete
/108_ultra_tap_wip/2 0 / 34 -11–11 discrete
/108_ultra_tap_wip/3 0 / 35 -11–11 discrete
/108_ultra_tap_wip/4 0 / 36 -11–11 discrete
/108_ultra_tap_wip/5 0 / 37 -11–11 discrete
/108_ultra_tap_wip/6 0 / 38 -11–11 discrete
/108_ultra_tap_wip/7 0 / 39 -11–11 discrete
/108_ultra_tap_wip/8 0 / 40 -11–11 discrete
/108_ultra_tap_wip/9 0 / 41 -11–11 discrete
/108_ultra_tap_wip/10 0 / 42 -11–11 discrete
/108_ultra_tap_wip/11 0 / 43 -11–11 discrete
/108_ultra_tap_wip/12 0 / 44 -11–11 discrete
/108_ultra_tap_wip/program_change 64 / 5 0–127 continuous
/108_ultra_tap_wip/left_in 0 / 51 -48–48 continuous
/108_ultra_tap_wip/right_in 0 / 52 -48–48 continuous
/108_ultra_tap_wip/left_out 0 / 53 -48–48 continuous
/108_ultra_tap_wip/right_out 0 / 54 -48–48 continuous

Performance MIDI

Notes, pitch bend and any CC are also available: /108_ultra_tap_wip/note/on <note> <velocity>, /108_ultra_tap_wip/cc/<number> <value>, /108_ultra_tap_wip/pitchbend <0-16383>, /108_ultra_tap_wip/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.