Report health of BOTH bridges.

Returns: { "midi_bridge": {"online": bool, ...}, "piano_roll": {"installed": bool, ...}, "available_capabilities": [...], }

Drop and reopen the TCP connection to the MIDI bridge.

Detailed info about the MIDI bridge (fails if it's offline).

Escape hatch: invoke any action the MIDI bridge accepts with arbitrary params.

Start or toggle playback (FL Studio's Play button).

Stop playback.

Toggle record arm state.

Get is_playing, is_recording, position, loop mode, tempo, signature.

Seek to a specific position in the song.

Return song length in ticks, seconds, ms, bars, steps.

Set FL Studio's song/pattern loop mode.

Set the playback speed multiplier (0.25..4.0).

Set the project tempo in BPM. Uses processRECEvent for proper undo history.

Send a tap-tempo event (accumulates to set BPM).

Set project time signature (e.g. 4/4, 3/4, 7/8).

Toggle metronome on/off.

Toggle 'countdown before recording'.

Nudge playhead by steps 16th-notes (negative = backward).

Return total pattern count.

Return index + name of currently selected pattern.

Return list of all patterns: [{index, name, color, length}].

Jump to pattern by index (1-based in FL).

Create a new empty pattern. Returns {index, name}.

Rename an existing pattern.

Set pattern color. Accepts '#RRGGBB' or 'rgb(r,g,b)'.

Clone a pattern (copy all notes & channel grid bits).

Delete a pattern by index.

Set pattern length in bars.

Find a pattern by exact name (case-insensitive). Returns {index, name} or null.

Select the next pattern in the list.

Select the previous pattern in the list.

Total channel count (global = across all groups).

Detailed info on one channel: name/volume/pan/pitch/color/mute/solo/fx_route/type.

List of all channels with basic info.

Return currently selected channel (or null).

Select channel (exclusive=True deselects others).

Set channel volume (0.0..1.0, where 0.78 ≈ 0 dB).

Set channel pan (-1.0..1.0).

Set channel pitch offset in semitones (-120..120).

Mute / unmute / toggle (None = toggle).

Solo / unsolo / toggle (None = toggle).

Rename a channel.

Set channel color. Accepts '#RRGGBB' or 'rgb(r,g,b)'.

Route a channel to a given mixer insert track.

Trigger a one-shot MIDI note on the channel (live preview, not recorded).

Read a single step-sequencer bit (position is 0-based step within the pattern).

Set a single step-sequencer bit.

Read the full step sequence for a channel (optionally for a specific pattern).

Overwrite step sequence. steps is a list of 0/1 ints (any length up to pattern length).

Clear all step-sequencer bits for the channel (in the current or specified pattern).

Quantize the channel's notes in the current pattern.

Number of mixer tracks (incl master @ index 0).

Detailed info on a mixer track (name, vol, pan, mute, solo, arm, color, stereosep, sends, fx slots).

List of all mixer tracks.

Set mixer track volume (0.0..1.0).

Set mixer track pan (-1.0..1.0).

Mute / unmute / toggle (None = toggle).

Solo / unsolo / toggle.

Arm track for recording.

Rename a mixer track.

Set mixer track color ('#RRGGBB' or 'rgb(r,g,b)').

Set mixer track stereo separation (-1.0..1.0).

Set send level from one mixer track to another (0..1).

Enable or disable a mixer route (send) between two tracks.

List plugin IDs in the 10 FX slots of a mixer track (-1 = empty).

Focus / select a mixer track.

Return 3-band mixer EQ (gains + frequencies).

Set one band of the mixer EQ. band=0|1|2 (low/mid/high). gain -1..1, freq 0..1 (normalised).

Link a channel to a mixer track. mode='replace'|'add'.

Check if a plugin slot has a valid plugin loaded.

Plugin display name.

Return number of automatable parameters.

List parameters (paginated): [{idx, name, value, value_string}].

Get value of a single parameter.

Set a single parameter (0.0..1.0 normalised).

Find a parameter by substring (case-insensitive).

Number of built-in presets for plugin.

Advance to the next preset.

Go back to the previous preset.

Load preset by numeric index.

Show/hide the plugin editor window (None = toggle).

List all loaded plugins in every FX slot of a mixer track.

Playlist track count.

Info on a playlist track: name, color, mute, solo, height, group.

List of all playlist tracks.

Rename a playlist track.

Set playlist track color ('#RRGGBB').

Mute/unmute a playlist track.

Solo a playlist track.

List all clips in the playlist (optionally filter to one track).

Place a pattern clip on a playlist track at a given bar position.

Delete the clip on a track starting at the given bar position.

Force playlist repaint (use after bulk edits).

Return all timeline markers: [{pos_bars, name, mode}].

Add a playlist marker.

Remove a playlist marker by index.

Return current arrangement index + name.

List all arrangements.

Switch to a different arrangement.

Jump playhead to next (+1) or previous (-1) marker within current arrangement.