protokol ☆
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Description:
MIDI and OSC Monitor
Type: Cask  |  Latest Version: 0.6.5,136@0  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  @hexler  |  formulae.brew.sh
Category: Developer tools
Tags: midi osc networking debugging multimedia developer-tools
Install: brew install --cask protokol
About:
Protokol is a dedicated monitoring tool for MIDI and OSC (Open Sound Control) data streams. It allows developers and technicians to inspect, filter, and log network traffic and device messages in real-time. This is essential for debugging connectivity issues and ensuring data integrity between music applications and hardware controllers.
Key Features:
  • Real-time monitoring of MIDI and OSC data streams
  • Advanced message filtering and search capabilities
  • Support for multiple network interfaces and ports
  • Detailed message inspection and logging
Use Cases:
  • Debugging communication between a DAW and external hardware synthesizers
  • Analyzing OSC data streams sent from interactive installations or mobile apps
  • Verifying MIDI controller mappings and output data
Alternatives:
  • MIDI Monitor – A macOS-specific utility focused purely on MIDI, whereas Protokol also supports the OSC protocol.
  • OSC Monitor – Often refers to simpler, single-purpose tools, while Protokol offers a more comprehensive interface for both MIDI and OSC.
Version History
Detected Version Rev Change Commit
Mar 17, 2026 5:02am 0.6.5,136 0 VERSION_BUMP a89c7c54
Sep 15, 2025 12:47pm 0.6.2,129 0 VERSION_BUMP b65b1e01
Sep 6, 2025 1:39am 0.6.2,129 0 VERSION_BUMP 112375cb
Nov 24, 2023 9:35pm 0.5.3,103 0 VERSION_BUMP 37971358
Sep 20, 2023 8:36pm 0.5.2,102 0 VERSION_BUMP 2cd78d64
Apr 3, 2023 12:46am 0.5.0,100 0 VERSION_BUMP e05a1d85
Jan 5, 2023 8:48pm 0.4.10,97 0 VERSION_BUMP 5986abbc
Dec 7, 2022 7:10am 0.4.9,96 0 VERSION_BUMP 3a0eb6cb
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