ableton-copilot-mcp (xiaolaa2/ableton-copilot-mcp) is an MCP server listed on the M8ven Trust Index. It scores 52 out of 100, grade D. It declares 40 tools. No publisher has claimed this listing.

D
Caution
52/100

ableton-copilot-mcp

An MCP server built on ableton-js that enables AI assistants to control Ableton Live in real-time, providing capabilities for song management, track control, MIDI editing, and audio recording through a standardized protocol interface.

Caution. Specific findings reduced this grade. They are listed on the page. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.

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Who stands behind it

xiaolaa2

Source: mcp.so · also listed on github_topic

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Install from

The grade above is for the source repository. Registries can serve a different version, so we mark the ones we were not able to read.

// key findings
🚨
Known vulnerabilities in dependencies: 1 critical, 4 high
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
// tools this server exposes40 tools

These names and descriptions are the publisher's own, read from the source code. We print them as written. Our assessment is the findings above, not this list.

get_application_info

Get Ableton Live application information. To get specific properties, set the corresponding property name to true in the properties parameter. If no properties are specified, returns all available information.

list_resources

List Ableton live Browser resources of specified type

load_device

Load a resource which is loadable (audio effect/instrument/plugin/drums/midi effect/sounds) into a track. If track_id is not provided, will load to currently selected track. If no track is selected, instruments will be loaded to the last MIDI track, and audio effects will be

get_clip_properties

Get clip properties by clip id. To get specific properties, set the corresponding property name to true in the properties parameter.

get_clip_notes

Get clip notes by clip id. Returns NoteExtended array for Live 11+ and Note array for Live 10 and below. Field abbreviations in returned data: - id: note_id - p: pitch (MIDI note 0-127, 60=C3) - t: start_time (beats) - d: duration (beats) - v: velocity (0-127) - m: mute (boolean) - pr: probability

remove_clip_notes

Remove clip notes by clip id

remove_notes_by_ids

Remove notes by clip id and note ids

add_notes_to_clip

Add notes to clip by clip id

modify_clip_notes

Modify clip notes by clip id

replace_clip_notes

Replace all notes in the clip with new notes

write_notes_to_clips

Batch-write notes to multiple clips in one call instead of one add_notes_to_clip/replace_clip_notes round-trip per clip. mode: 'add' (default) mirrors add_notes_to_clip; mode: 'replace' mirrors replace_clip_notes. Each entry is isolated - one bad clip_id or write failure doesn't fail the rest of the

read_notes_from_clips

Batch-read all notes from multiple clips in one call instead of looping get_clip_notes. Always reads the whole clip (no from_pitch/from_time/time_span/pitch_span filtering). Each entry is isolated - one bad clip_id doesn't fail the rest of the batch.

set_clips_property

batch set clip property

crop_clip

Crops the clip. The region that is cropped depends on whether the clip is looped or not. If looped, the region outside of the loop is removed. If not looped, the region outside the start and end markers is removed.

duplicate_clip_loop

Makes the loop twice as long and duplicates notes and envelopes. Duplicates the clip start/end range if the clip is not looped.

duplicate_clip_region

Duplicates the notes in the specified region to the destination_time. Only notes of the specified pitch are duplicated if pitch is not -1. If the transposition_amount is not 0, the notes in the region will be transposed by the transposition_amount of semitones.

get_device_properties

get device properties. To get specific properties, set the corresponding property name to true in the properties parameter

modify_device_parameter_value

set device parameter value, only support built-in Live devices

get_operation_histories

get mcp tools operation histories by page

get_snapshot_by_history_id

get snapshot by history id

rollback_by_history_id

rollback to the state before the operation corresponding to the history_id was executed, currently supports Note operations

get_song_properties

get song properties. To get specific properties, set the corresponding property name to true in the properties parameter.

get_song_view_properties

get song view properties. To get specific properties, set the corresponding property name to true in the properties parameter.

set_song_property

set song basic properties

set_song_view_property

set song view properties

create_track

create track and return raw track

delete_track

delete track by index

duplicate_track

duplicate midi or audio track by index

record_by_time_range

Opens Ableton's audio record button and starts playback from start_time to end_time. Before recording, please: ENSURE: 1. Set the recording track to record mode 2. Set the recording track's input routing to Resample or a specific audio track/input ro

get_track_properties

get track properties. To get specific properties, set the corresponding property name to true in the properties parameter

create_midi_clip

Creates an empty MIDI clip on the track and returns the created clip information

set_tracks_property

batch set tracks property

duplicate_clip_to_track

duplicate clip to track and return the duplicated clip information

delete_clip

delete clip by id

delete_device

delete device by index, start from 0

get_track_overview

One-call summary of what's actually on one or more tracks: name, type (midi/audio), mute/solo, loaded device names, and every arrangement clip's id/name/start_time/end_time/length/note_count - sorted by start time. Omit track_ids for every track in the song. Use this first when picking up a session,

create_clips_batch

Batch version of create_midi_clip - creates multiple empty MIDI clips across one or more tracks in one call. Each entry is isolated - one failure doesn't fail the rest of the batch.

get_track_sends

Get a track's send levels to each return track. Returns one entry per return track (index 0 = Return A, 1 = Return B, ...), with the send's device parameter properties (including 'value', the raw 0-1 float - see set_track_send's description for how that maps to dB).

set_track_send

Set a track's send level to a return track. 'value' is the raw 0-1 float the underlying device parameter uses, not a dB value directly - the mapping is non-linear and much steeper than it looks (roughly dB ~= 52.93 * log10(value) - 3.39), so e.g. 0.2 is already down around -40dB, not a gentle touch

create_audio_clip

Create audio clip on track. Given an absolute path to a valid audio file in a supported format, creates an audio clip that references the file at the specified position in the arrangement view. Prints an error if: - The track is not an audio track - The track

// known CVEs in dependencies1 critical4 high2 low

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

criticalvitest@3.2.3GHSA-5xrq-8626-4rwp

When Vitest UI server is listening, arbitrary file can be read and executed

high@modelcontextprotocol/sdk@1.10.2GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

high@modelcontextprotocol/sdk@1.10.2GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.10.2GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

hightypeorm@0.3.22GHSA-q2pj-6v73-8rgj

TypeORM vulnerable to SQL injection via crafted request to repository.save or repository.update

Depend on this server? Get alerted when its CVEs change.Watch this server free →
// environment variables
To run this server yourself, you supply these values. They go in your own MCP client configuration and stay on your machine. The secret label means the value is sensitive, not that the server mishandles it.
configBASE_PATHYou can specify a custom data storage location using the environment variable:
// quality suggestions

Tool annotations

No tools have read-only/destructive annotations

Add readOnlyHint or destructiveHint annotations to every tool so hosts can warn users before invoking.

All four hints declared on every tool

40/40 tools missing one or more hints — get_application_info (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); list_resources (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); load_device (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +37 more. OpenAI's directory rejects tools where any of the four hints are missing or non-boolean.

For every tool, set all four hints (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) to explicit true/false values that match the handler’s actual behaviour.

Tool test coverage

Only 1/40 tools referenced in tests (3%)

Write tests that reference each tool by name so every tool has at least one test.

Production dependencies are patched

0 critical, 4 high severity in production deps — @modelcontextprotocol/sdk@1.10.2 (high), @modelcontextprotocol/sdk@1.10.2 (high)

Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.

Dev dependencies

1 critical/high in dev-only deps (does not ship to users)

Upgrade dev dependencies when convenient.

Dependency freshness

2/10 production deps stale: async-mutex@2024-03-11 (2.4y), reflect-metadata@2024-03-29 (2.4y)

Claim the listing to review these findings one by one and send us a correction where you disagree, straight to the team. Claiming also means we tell you when the grade moves, and reach you first if we find anything urgent.

// full audit trail
The findings above are the summary. The full trail, every check we ran, each deduction, the network hosts observed and the dependency advisories, goes to verified publishers, along with an alert whenever a new one lands. Verified publishers can also review each finding and dispute it in one click. Publisher corrections have sharpened several of our checks this month, because the maintainer knows the codebase better than any scanner.
// improvement guidance — verified publishers only
We have 5 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
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commit: fe472c490c236665db42e8c705af5911a3d168ff
code hash: 9167309be459ec114bcf5a60e6db723d459ddda60b8a76be4cde165f7718883e
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