// MCP TOOL REFERENCE

AUDACITYMCP TOOLS

131 tools from the AudacityMCP MCP Server, categorised by risk level.

View the AudacityMCP policy →
// ALL 131 AUDACITYMCP TOOLS
READ 15 tools
Read analyze_contrast Analyze the contrast between foreground and background audio. Select a region first. Read analyze_find_clipping analyze_find_clipping Read analyze_label_sounds analyze_label_sounds Read analyze_plot_spectrum Open the Plot Spectrum window for the selected audio. Select a region first. Read auto_analyze_audio auto_analyze_audio Read check_pipeline_status Check the status of a running pipeline. Call this after starting any auto_ pipeline Read check_transcription_status check_transcription_status Read get_default_export_folder Get the default folder for exporting audio files. Read get_default_transcription_folder Get the default folder for saving transcription files. Read get_noise_profile get_noise_profile Read label_get_all Get all labels in the project. Read project_get_info Get information about the current project. Read track_get_info Get information about all tracks in the project (names, types, rates, etc.). Read transport_get_play_position Get the current playback position in seconds. Read edit_copy Copy the selected audio to clipboard. Select a region first.
WRITE 72 tools
Write project_new Create a new empty Audacity project. Write track_mix_and_render_to_new Mix and render selected tracks into a new track, keeping the originals. Select tracks first. Write analyze_beat_finder Find beats in the selected audio and add labels at beat positions. Write analyze_sample_data_export Export raw sample data from the selected audio to a text file for analysis. Write click_removal Remove clicks and pops from the selected audio (e.g. vinyl recordings). Write edit_cut Cut the selected audio to clipboard. Select a region first. Write edit_disjoin Split the selected audio at detected silences, creating separate clips. Write edit_duplicate Duplicate the selected audio into a new track. Write edit_join Join selected clips into one clip. Write edit_paste Paste audio from clipboard at the cursor position. Write edit_silence Replace the selected audio with silence. Write edit_split Split the clip at the cursor position or selection boundaries (in place, no new track). Write edit_split_cut Cut the selected audio without closing the gap (leaves silence where audio was). Write edit_split_new Split the selected audio into a new track at the selection boundaries. Write effect_adjustable_fade Apply an adjustable fade with curve control. Write effect_amplify Amplify the selected audio by a ratio. Select audio first. Write effect_bass_and_treble Adjust bass and treble frequencies with a simple tonal shaping tool. Write effect_change_pitch Change the pitch of the selected audio without changing tempo. Write effect_change_speed Change speed of the selected audio (changes both tempo and pitch together). Write effect_change_tempo Change the tempo of the selected audio without changing pitch. Write effect_clip_fix Attempt to repair clipped (distorted) audio by reconstructing peaks. Write effect_crossfade_clips Crossfade between two adjacent clips on the same track. Write effect_crossfade_tracks Crossfade between two overlapping tracks. Write effect_distortion Apply distortion effect to the selected audio. Write effect_echo Apply echo effect to the selected audio. Write effect_fade_in Apply a fade-in to the selected audio. Select the region to fade first. Write effect_fade_out Apply a fade-out to the selected audio. Select the region to fade first. Write effect_invert Invert (flip phase) the selected audio. Useful for phase cancellation. Write effect_repair Repair a very short damaged section of audio (max 128 samples). Write effect_repeat Repeat the selected audio a number of times. Write effect_reverse Reverse the selected audio. Select a region first. Write effect_studio_fade_out Apply a professional studio-quality fade out to the selected audio. Write generate_chirp generate_chirp Write generate_noise Generate noise. Write label_add Add a label at the current cursor position or selection. Write label_add_at Add a label at a specific time range. Write label_export Export all labels to a text file. Write label_import Import labels from a text file. Write label_regular_intervals label_regular_intervals Write loudness_normalize loudness_normalize Write project_close Close the current Audacity project. Write project_edit_metadata Open the metadata editor dialog to view/edit track metadata (title, artist, etc.). Write project_export_audio project_export_audio Write project_export_labels Export all labels to a text file. Write project_import_audio Import an audio file into the current project. Creates a new track. Write project_import_midi Import a MIDI file into the current project. Write project_open Open an existing Audacity project file (.aup3). Write project_save Save the current Audacity project. ONLY call this when the user explicitly asks to save. Write project_save_as Save the current project to a new .aup3 file. ONLY call when user explicitly asks. Write select_all Select all audio in all tracks. Selects both tracks and time range. Write select_cursor_to_track_end Select from the current cursor position to the end of the track. Write select_none Deselect all audio. Write select_region Select a time region in the current track(s). Many effects operate on the selection. Write select_tracks Select one or more tracks by index. Write select_zero_crossing Adjust the current selection boundaries to the nearest zero crossings. Write track_add_label Add a new empty label track to the project. Write track_add_mono Add a new mono audio track to the project. Write track_add_stereo Add a new stereo audio track to the project. Write track_align_end_to_end Align selected tracks end-to-end (sequentially). Select the tracks first. Write track_mix_and_render Mix and render selected tracks into a single track. Select tracks first. Write track_mute Mute or unmute a track. Write track_mute_all Mute all tracks in the project. Write track_resample Resample the selected track to a new sample rate. Write track_select Select a track by index. Many operations require selecting a track first. Write track_set_properties Set properties of a track by index. Write track_stereo_to_mono Convert the selected stereo track to mono. Select the track first. Write track_unmute_all Unmute all tracks in the project. Write transcribe_audio transcribe_audio Write transcribe_to_file transcribe_to_file Write transcribe_to_labels transcribe_to_labels Write transcription_set_model transcription_set_model Write transport_set_cursor Set the playback cursor position.
DESTRUCTIVE 4 tools
Destructive track_remove Remove the currently selected track(s). Select tracks first with track_select. Destructive edit_delete Delete the selected audio (does not copy to clipboard). Select a region first. Destructive edit_split_delete Delete the selected audio without closing the gap (leaves silence where audio was). Destructive edit_trim Trim audio outside the selection (delete everything except selected region).
EXECUTE 40 tools
Execute effect_low_pass_filter Apply a low-pass filter to remove high frequencies above the cutoff. Execute effect_notch_filter Remove a specific frequency (e.g. 50/60Hz hum) with a notch filter. Execute truncate_silence truncate_silence Execute cursor_to_project_start Move the cursor to the start of the project (time 0). Execute cursor_to_track_start Move the cursor to the start of the selected track. Execute transport_play Start playback from the current cursor position. Execute transport_record Start recording on a new track. Execute transport_stop Stop playback or recording. Execute auto_audiobook_mastering auto_audiobook_mastering Execute auto_cleanup_audio auto_cleanup_audio Execute auto_cleanup_interview auto_cleanup_interview Execute auto_cleanup_live auto_cleanup_live Execute auto_cleanup_podcast auto_cleanup_podcast Execute auto_cleanup_vocal auto_cleanup_vocal Execute auto_lofi_effect auto_lofi_effect Execute auto_master_music auto_master_music Execute compressor compressor Execute cursor_set_position Move the cursor to a specific time position. Execute cursor_to_project_end Move the cursor to the end of the project (last audio). Execute cursor_to_track_end Move the cursor to the end of the selected track. Execute effect_auto_duck effect_auto_duck Execute effect_equalization Apply EQ curve to the selected audio. Execute effect_high_pass_filter effect_high_pass_filter Execute effect_paulstretch effect_paulstretch Execute effect_phaser effect_phaser Execute effect_reverb effect_reverb Execute effect_sliding_stretch effect_sliding_stretch Execute effect_tremolo effect_tremolo Execute effect_vocal_reduction effect_vocal_reduction Execute effect_wahwah effect_wahwah Execute generate_dtmf generate_dtmf Execute generate_rhythm_track generate_rhythm_track Execute generate_tone generate_tone Execute limiter limiter Execute noise_reduction noise_reduction Execute normalize normalize Execute select_clip Select the clip under the cursor. Execute transcribe_selection transcribe_selection Execute transport_pause Toggle pause during playback or recording. Execute transport_play_region Play a specific time region.

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

The AudacityMCP MCP server exposes 131 tools across 4 categories: Read, Write, Destructive, Execute.

How do I enforce policies on AudacityMCP tools? +

Route the AudacityMCP 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 AudacityMCP tools fall into? +

AudacityMCP tools are categorised as Read (15), Write (72), Destructive (4), Execute (40). Each category has a recommended default policy.

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Deterministic rules across all 131 AudacityMCP tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

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