// MCP TOOL REFERENCE

REAPER TOOLS

158 tools from the Reaper MCP Server, categorised by risk level.

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// ALL 158 REAPER TOOLS
READ 53 tools
Read get_active_take Get the index of the active take of a media item. Read get_all_tracks Get information about all tracks in the project. Read get_cursor_position Get the edit cursor position. Read get_envelope_point_count Get the number of points in an envelope. Read get_envelope_points Get all points from an envelope. Read get_fx_envelope get_fx_envelope Read get_fx_envelope_points get_fx_envelope_points Read get_fx_preset Get the current preset name of an FX. Read get_fx_presets Get list of presets available for an FX. Read get_item_info Get information about a media item. Read get_markers Get all markers in the project. Read get_master_track Get information about the master track. Read get_midi_item Get information about a MIDI item. Read get_midi_notes Get all MIDI notes from an item. Read get_play_position Get the current playback position. Read get_play_state Get the current playback state. Read get_project_length Get the length of the project (end of last item). Read get_project_name Get the project name. Read get_project_path Get the project path. Read get_project_summary get_project_summary Read get_regions Get all regions in the project. Read get_repeat_state Get the current repeat state. Read get_selected_items Get all selected media items. Read get_selected_tracks Get indices of all selected tracks. Read get_takes List all takes of a media item. Read get_tempo Get the project tempo. Read get_time_selection Get the current time selection. Read get_time_signature Get the project time signature. Read get_track Get information about a track. Read get_track_count Get the total number of tracks in the current REAPER project (excluding master track). Read get_track_envelope Get a track envelope by name. Read get_track_fx_chunk get_track_fx_chunk Read get_track_items Get all media items on a track. Read get_track_master_send Get the master/parent send state of a track. Read get_track_num_sends Get the number of sends from a track. Read get_track_peak Get the current peak level of a track. Read get_track_peak_hold get_track_peak_hold Read get_undo_state Get the current undo/redo state. Read take_fx_get_count Get the number of FX plugins on a take. Read take_fx_get_enabled take_fx_get_enabled Read take_fx_get_list take_fx_get_list Read take_fx_get_name Get the name of an FX plugin on a take. Read take_fx_get_num_params take_fx_get_num_params Read take_fx_get_param take_fx_get_param Read take_fx_get_param_name take_fx_get_param_name Read track_fx_get_count Get the number of FX plugins on a track. Read track_fx_get_enabled Get the enabled state of an FX plugin. Read track_fx_get_list Get list of all FX plugins on a track. Read track_fx_get_name Get the name of an FX plugin. Read track_fx_get_num_params Get the number of parameters for an FX plugin. Read track_fx_get_param track_fx_get_param Read track_fx_get_param_name Get the name of an FX parameter. Read copy_selected_items Copy selected items to clipboard.
WRITE 76 tools
Write clear_all_peak_indicators Clear the peak hold indicators on all tracks (including master). Write clear_time_selection Clear the time selection. Write take_fx_add_by_name take_fx_add_by_name Write take_fx_set_enabled take_fx_set_enabled Write take_fx_set_param take_fx_set_param Write add_compressor Add ReaComp to a track. Write add_envelope_point add_envelope_point Write add_eq Add ReaEQ to a track. Write add_fx_envelope_point add_fx_envelope_point Write add_limiter Add ReaLimit (brickwall limiter) to a track. Write add_marker Add a marker at a position. Write add_mastering_chain Add a standard mastering chain to the master track. Write add_midi_note add_midi_note Write add_midi_notes_batch add_midi_notes_batch Write add_parallel_compression add_parallel_compression Write add_region Add a region. Write arm_track Arm or disarm a track for recording. Write arm_track_envelope Arm or disarm an envelope for recording. Write configure_reacomp_sidechain configure_reacomp_sidechain Write create_bus Create a submix/stem bus and route specified tracks to it. Write create_midi_item Create an empty MIDI item on a track. Write create_project Create a new REAPER project. Write create_send Create a send from one track to another. Write cut_selected_items Cut selected items to clipboard. Write duplicate_item Duplicate a media item. Write explode_takes Explode all takes of a media item in place (each take becomes its own overlapping item). Write insert_audio_file Insert an audio file onto a track. Write insert_track Insert a new track at the specified index. Write open_project Open a REAPER project file. Write paste_items Paste items from clipboard at edit cursor. Write redo Redo the last undone action in REAPER. Write render_region Render a specific region to an audio file. Write save_fx_preset Save the current FX settings as a preset. Write save_project Save the current REAPER project. Write select_all_items Select all media items. Write select_all_tracks Select all tracks. Write select_track Select a track. Write set_active_take Set the active take of a media item (which take plays). Write set_cursor_position Set the edit cursor position. Write set_fx_preset Set the preset of an FX. Write set_item_fade_in Set the fade-in length of a media item. Write set_item_fade_out Set the fade-out length of a media item. Write set_item_length Set the length of a media item. Write set_item_mute Mute or unmute a media item. Write set_item_position Set the position of a media item. Write set_item_volume Set the volume of a media item. Write set_midi_note_velocity Set the velocity of a MIDI note. Write set_send_dest_channels set_send_dest_channels Write set_send_source_channels Set the source channels for a send. Write set_send_volume Set the volume of a track send. Write set_tempo Set the project tempo. Write set_time_selection Set the time selection. Write set_time_signature Set the project time signature. Write set_track_as_folder Set a track as a folder parent or child. Write set_track_automation_mode Set the automation mode for a track. Write set_track_color Set the color of a track. Write set_track_input Set the record input for a track. Write set_track_master_send set_track_master_send Write set_track_monitor Set the monitor mode for a track. Write set_track_mute Set the mute state of a track. Write set_track_name Set the name of a track. Write set_track_pan Set the pan position of a track. Write set_track_phase Set the phase inversion of a track. Write set_track_solo Set the solo state of a track. Write set_track_volume Set the volume of a track in decibels. Write set_track_width Set the stereo width of a track. Write setup_sidechain_compression setup_sidechain_compression Write setup_sidechain_send setup_sidechain_send Write split_item Split a media item at a position. Write track_fx_add_by_name track_fx_add_by_name Write track_fx_move Move an FX plugin to a new position within the same track's FX chain. Write track_fx_set_enabled Enable or disable an FX plugin. Write track_fx_set_param track_fx_set_param Write undo Undo the last action in REAPER. Write unselect_all_items Unselect all media items. Write unselect_all_tracks Unselect all tracks.
DESTRUCTIVE 16 tools
Destructive clear_envelope Delete all points from an envelope. Destructive clear_fx_envelope Clear all automation points from an FX parameter envelope. Destructive clear_midi_item Delete all MIDI notes from an item. Destructive delete_envelope_point Delete an envelope point. Destructive delete_fx_envelope_point delete_fx_envelope_point Destructive delete_item Delete a media item. Destructive delete_marker Delete a marker by index. Destructive delete_midi_note Delete a MIDI note from an item. Destructive delete_region Delete a region by index. Destructive delete_selected_items Delete all selected items. Destructive delete_send Delete a send from a track. Destructive delete_take Delete a specific take from a media item. Destructive delete_track Delete a track. Destructive track_fx_delete Remove an FX plugin from a track. Destructive crop_to_active_take Crop a media item to its active take, discarding all other takes. Destructive take_fx_delete Remove an FX plugin from a take.
EXECUTE 12 tools
Execute go_to_region Move the edit cursor to a region start. Execute play Start playback in REAPER. Execute record Start recording in REAPER. Execute run_action Run a REAPER action by command ID. Execute run_action_by_name Run a REAPER action by name. Execute stop Stop playback in REAPER. Execute zoom_to_project Zoom the arrange view to show the entire project. Execute zoom_to_selection Zoom the arrange view to the time selection. Execute go_to_marker Move the edit cursor to a marker. Execute pause Pause playback in REAPER. Execute render_project render_project Execute toggle_repeat Toggle repeat/loop mode.
OTHER 1 tools
Other select_comp_lane select_comp_lane

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// FAQ
How many tools does the Reaper MCP server have? +

The Reaper MCP server exposes 158 tools across 5 categories: Read, Write, Destructive, Execute, Other.

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What risk categories do Reaper tools fall into? +

Reaper tools are categorised as Read (53), Write (76), Destructive (16), Execute (12), Other (1). Each category has a recommended default policy.

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