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Teenage Engineering OP-1: MIDI CC, NRPN and OSC map

The Teenage Engineering OP-1 as named OSC addresses — 4 CC — ready to use from Claude (MCP), SuperCollider, Sonic Pi, TouchDesigner or any OSC app via osc-bridge.

Device Teenage Engineering OP-1
Vendor Teenage Engineering
OSC prefix /op_1
Source 📦 Derived from MIDI Guide (community CC/NRPN data)
Firmware unknown
Revision per pencilresearch canonical CSV
Upstream pencilresearch
Data licence CC-BY-SA-4.0 — MIDI Guide (https://midi.guide) by Pencil Research and contributors
Driver file devices/teenage-engineering/op_1.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/teenage-engineering/op_1.json --out-port <N> --in-port <M>

Then send OSC to 127.0.0.1:7777, for example:

osc-bridge osc-send /op_1/midi_lfo/synth 63

From Claude or any MCP client, the osc-bridge mcp server exposes this driver as op_1: ask “what can the Teenage Engineering OP-1 do?” and it reads this map with list_routes. See the MCP guide.

MIDI CC and NRPN parameters (4)

OSC address CC NRPN (MSB/LSB) Range Nature Section
/op_1/midi_lfo/synth 0 0–127 continuous MIDI LFO
/op_1/midi_lfo/envelope 1 0–127 continuous MIDI LFO
/op_1/midi_lfo/fx 2 0–127 continuous MIDI LFO
/op_1/midi_lfo/volume 3 0–127 continuous MIDI LFO

Performance MIDI

Notes, pitch bend and any CC are also available: /op_1/note/on <note> <velocity>, /op_1/cc/<number> <value>, /op_1/pitchbend <0-16383>, /op_1/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.