// MCP TOOL REFERENCE

REAPER MCP SERVER TOOLS

45 tools from the REAPER MCP Server MCP Server, categorised by risk level.

// ALL 45 REAPER MCP SERVER TOOLS

READ 2 tools

Read dsl_get_tempo_info Check current speed and time signature. Use when users ask about tempo, BPM, or timing. Read dsl_list_tracks Show what's in your project. Use when users ask what tracks exist or want an overview.

WRITE 35 tools

Write dsl_add_effect Add an effect to a track. Use for 'add reverb to vocals', 'put compression on drums', Write dsl_adjust_effect Adjust effect parameters. Use for 'make reverb wetter', 'increase compression ratio', Write dsl_automate Create automation. Use for 'automate volume', 'fade in over 4 bars', 'pan left to right', Write dsl_automate_section Apply automation to a section. Use for 'increase energy in chorus', 'duck everything in verse', Write dsl_continue dsl_continue Write dsl_create_bus Create a bus and route tracks to it. Use for 'create drum bus', 'make vocal bus with compression', Write dsl_create_send Create a send between tracks. Use for 'send vocals to reverb', 'route drums to bus', Write dsl_effect_bypass Bypass or enable effects. Use for 'bypass reverb', 'turn off compression', Write dsl_enhance dsl_enhance Write dsl_fade dsl_fade Write dsl_generate dsl_generate Write dsl_go_to dsl_go_to Write dsl_group_tracks dsl_group_tracks Write dsl_loop_create dsl_loop_create Write dsl_marker dsl_marker Write dsl_midi_insert dsl_midi_insert Write dsl_normalize dsl_normalize Write dsl_region dsl_region Write dsl_reverse Reverse audio. Use for 'reverse', 'play backwards', 'flip audio'. Write dsl_save Save the project. Use for 'save', 'save project', 'save as'. Write dsl_select dsl_select Write dsl_send dsl_send Write dsl_set_tempo dsl_set_tempo Write dsl_split dsl_split Write dsl_time_select dsl_time_select Write dsl_track_arm dsl_track_arm Write dsl_track_color dsl_track_color Write dsl_track_create dsl_track_create Write dsl_track_duplicate dsl_track_duplicate Write dsl_track_mute dsl_track_mute Write dsl_track_pan dsl_track_pan Write dsl_track_rename dsl_track_rename Write dsl_track_solo dsl_track_solo Write dsl_track_volume dsl_track_volume Write dsl_undo Undo the last action. Use for 'undo', 'undo that', 'go back', 'revert'.

DESTRUCTIVE 3 tools

Destructive dsl_reset_context Start fresh with a clean slate. Use when users want to begin again or clear previous references. Destructive dsl_track_delete dsl_track_delete Destructive dsl_track_delete_all dsl_track_delete_all

EXECUTE 5 tools

Execute dsl_play Start playing your music. Use for any variation of play, start, go, listen, or hear. Execute dsl_record Start recording. Use for 'record', 'start recording', 'rec'. Execute dsl_stop Stop the music. Use for stop, pause, halt, wait, or cease playback. Execute dsl_quantize dsl_quantize Execute dsl_render dsl_render

// FAQ

How many tools does the REAPER MCP Server MCP server have? +

The REAPER MCP Server MCP server exposes 45 tools across 4 categories: Read, Write, Destructive, Execute.

How do I enforce policies on REAPER MCP Server tools? +

Route the REAPER MCP Server server through the PolicyLayer gateway. Define allow, deny, or approval rules per tool in the dashboard; they are enforced on every call before it reaches the server.

What risk categories do REAPER MCP Server tools fall into? +

REAPER MCP Server tools are categorised as Read (2), Write (35), Destructive (3), Execute (5). Each category has a recommended default policy.

Enforce policy on every REAPER MCP Server tool call.

Deterministic rules across all 45 REAPER MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

GOVERN REAPER →

Free to start. No card required.

42,500+ MCP servers and 110,000+ tools scanned and risk-classified.