Fred's Lab Buzzzy!: MIDI CC, NRPN and OSC map¶
The Fred's Lab Buzzzy! as named OSC addresses — 31 CC — ready to use from Claude (MCP), SuperCollider, Sonic Pi, TouchDesigner or any OSC app via osc-bridge.
| Device | Fred's Lab Buzzzy! |
|---|---|
| Vendor | Fred's Lab |
| OSC prefix | /buzzzy |
| 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/fred-s-lab/buzzzy.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/fred-s-lab/buzzzy.json --out-port <N> --in-port <M>
Then send OSC to 127.0.0.1:7777, for example:
From Claude or any MCP client, the osc-bridge mcp server exposes this driver as buzzzy: ask “what can the Fred's Lab Buzzzy! do?” and it reads this map with list_routes. See the MCP guide.
MIDI CC and NRPN parameters (31)¶
| OSC address | CC | NRPN (MSB/LSB) | Range | Nature | Section |
|---|---|---|---|---|---|
/buzzzy/general/modwheel |
1 | 0–127 | continuous | General | |
/buzzzy/level/volume |
7 | 0–127 | continuous | Level | |
/buzzzy/pan/pan |
10 | 0–127 | continuous | Pan | |
/buzzzy/oscillator/coarse |
12 | 0–127 | continuous | Oscillator | |
/buzzzy/oscillator/fine |
13 | 0–127 | continuous | Oscillator | |
/buzzzy/arpeggiator/tempo |
16 | 0–127 | continuous | Arpeggiator | |
/buzzzy/arpeggiator/division |
17 | 0–127 | continuous | Arpeggiator | |
/buzzzy/arpeggiator/repeat |
18 | 0–127 | continuous | Arpeggiator | |
/buzzzy/arpeggiator/gate |
19 | 0–127 | continuous | Arpeggiator | |
/buzzzy/oscillator/wave |
70 | 0–127 | continuous | Oscillator | |
/buzzzy/filter/resonance |
71 | 0–127 | continuous | Filter | |
/buzzzy/envelope/decay |
72 | 0–127 | continuous | Envelope | |
/buzzzy/envelope/attack |
73 | 0–127 | continuous | Envelope | |
/buzzzy/filter/cutoff |
74 | 0–127 | continuous | Filter | |
/buzzzy/oscillator/engine |
75 | 0–127 | continuous | Oscillator | |
/buzzzy/filter/mod |
80 | 0–127 | continuous | Filter | |
/buzzzy/filter/space_mix |
82 | 0–127 | continuous | Filter | |
/buzzzy/filter/delay_mix |
83 | 0–127 | continuous | Filter | |
/buzzzy/model/space_model |
85 | 0–127 | continuous | Model | |
/buzzzy/model/delay_model |
86 | 0–127 | continuous | Model | |
/buzzzy/filter/type |
87 | 0–127 | continuous | Filter | |
/buzzzy/arpeggiator/arp_mode |
88 | 0–127 | continuous | Arpeggiator | |
/buzzzy/envelope/env_mode |
89 | 0–127 | continuous | Envelope | |
/buzzzy/envelope/env_loop |
90 | 0–127 | continuous | Envelope | |
/buzzzy/filter/space_decay |
91 | 0–127 | continuous | Filter | |
/buzzzy/filter/space_diffuse |
92 | 0–127 | continuous | Filter | |
/buzzzy/delay/feedback |
93 | 0–127 | continuous | Delay | |
/buzzzy/delay/length |
94 | 0–127 | continuous | Delay | |
/buzzzy/general/all_sounds_off |
120 | 0–127 | continuous | General | |
/buzzzy/general/reset_all_controllers |
121 | 0–127 | continuous | General | |
/buzzzy/general/all_notes_off |
123 | 0–127 | continuous | General |
Performance MIDI¶
Notes, pitch bend and any CC are also available: /buzzzy/note/on <note> <velocity>, /buzzzy/cc/<number> <value>, /buzzzy/pitchbend <0-16383>, /buzzzy/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.