Add more useful commands#16
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…eature/get-set-device-parameters
WalkthroughThe changes refactor how state-modifying commands are processed in both the remote script and server components. A centralized list is now used to identify these commands, and dedicated methods have been added to handle various functionalities such as retrieving master track info, device parameters, and setting clip properties. Additionally, some legacy command handling (like setting clip names directly) has been removed, and error handling in the server for socket and JSON issues has been enhanced. Changes
Sequence Diagram(s)sequenceDiagram
participant Client
participant AbletonMCP_Remote
Client->>AbletonMCP_Remote: Send command (e.g., "get_master_track_info")
AbletonMCP_Remote->>AbletonMCP_Remote: _process_command()
AbletonMCP_Remote->>AbletonMCP_Remote: Check if command is in STATE_MODIFYING_COMMANDS
alt "Command is state modifying"
AbletonMCP_Remote->>AbletonMCP_Remote: Schedule on main thread
AbletonMCP_Remote->>AbletonMCP_Remote: Call corresponding method (e.g., _get_master_track_info)
else "Other command"
AbletonMCP_Remote->>AbletonMCP_Remote: Process via existing flow
end
AbletonMCP_Remote-->>Client: Return response
sequenceDiagram
participant Client
participant MCP_Server
Client->>MCP_Server: send_command("get_device_parameters", ...)
MCP_Server->>MCP_Server: Check command against STATE_MODIFYING_COMMANDS
MCP_Server->>MCP_Server: Call specific command function (e.g., get_device_parameters)
MCP_Server->>MCP_Server: Handle errors (socket, JSON decoding)
MCP_Server-->>Client: Return processed result or error message
Poem
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| DEFAULT_PORT = 9877 | ||
| HOST = "localhost" | ||
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| STATE_MODIFYING_COMMANDS = [ |
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Added this list to the top of the remote script and server.py since we want to make sure this is consistent across both files. I was trying to play around with making this a constant but was having some import issues so just stuck to this for now
| clip_index = params.get("clip_index", 0) | ||
| notes = params.get("notes", []) | ||
| result = self._add_notes_to_clip(track_index, clip_index, notes) | ||
| elif command_type == "set_clip_name": |
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Set clip name is handled by the new set clip properties, so removed it in favor of not having multiple ways to do the same thing
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Actionable comments posted: 0
🧹 Nitpick comments (7)
MCP_Server/server.py (6)
15-20: Add a short docstring or comment for discoverability
While this list is self-explanatory, adding a short docstring or inline comment may help future contributors quickly understand why and when commands are considered state-modifying.
136-136: Consider returning partial data for recoverable errors
Currently, ifresponse.get("status") == "error", this raises an exception immediately. If some commands can yield partial data on errors, you might consider returning any available partial result.
140-140: Make post-response delays configurable
For large projects, a hardcoded delay can cause performance overhead or insufficient wait times. Exposing this delay as a configurable constant or parameter could be beneficial in different environments.
733-777: Potential performance improvements for large browser inventories
When dealing with very large sets of browser items, consider introducing pagination or limiting the search scope early if the user’s environment is known to have thousands of items.
779-821: Validate property types before setting
While the code typecasts some properties (e.g.,colorto int,gainto float), consider explicitly validating all property types to avoid silent failures when invalid data is passed.🧰 Tools
🪛 Ruff (0.8.2)
810-810: f-string without any placeholders
Remove extraneous
fprefix(F541)
823-858: Log final parameter states
After setting the device parameters, consider logging a consolidated summary of post-update values to ease debugging if some parameters did not set as expected.AbletonMCP_Remote_Script/__init__.py (1)
1311-1418: Simplify nested condition checks
Within_search_browser_items, the static analysis hints suggest combining nested conditions such asif category_type == "all" or category_type == "instruments": if hasattr(app.browser, 'instruments'): ...into a single condition (e.g.,
if (category_type in ("all", "instruments")) and hasattr(app.browser, "instruments"):) for clarity.🧰 Tools
🪛 Ruff (0.8.2)
1344-1345: Use a single
ifstatement instead of nestedifstatements(SIM102)
1347-1348: Use a single
ifstatement instead of nestedifstatements(SIM102)
1350-1351: Use a single
ifstatement instead of nestedifstatements(SIM102)
1353-1354: Use a single
ifstatement instead of nestedifstatements(SIM102)
1356-1357: Use a single
ifstatement instead of nestedifstatements(SIM102)
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📒 Files selected for processing (2)
AbletonMCP_Remote_Script/__init__.py(9 hunks)MCP_Server/server.py(4 hunks)
🧰 Additional context used
🪛 Ruff (0.8.2)
MCP_Server/server.py
810-810: f-string without any placeholders
Remove extraneous f prefix
(F541)
AbletonMCP_Remote_Script/__init__.py
1344-1345: Use a single if statement instead of nested if statements
(SIM102)
1347-1348: Use a single if statement instead of nested if statements
(SIM102)
1350-1351: Use a single if statement instead of nested if statements
(SIM102)
1353-1354: Use a single if statement instead of nested if statements
(SIM102)
1356-1357: Use a single if statement instead of nested if statements
(SIM102)
🔇 Additional comments (14)
MCP_Server/server.py (4)
111-111: Good use of consolidated command list
Checking ifcommand_typeis inSTATE_MODIFYING_COMMANDSpromotes consistency across the code.
636-706: Verify device indices in upstream logic
This endpoint delegates invalid track/device checking to Ableton, but you might also want to confirm that calls toget_device_parametershandle negative or out-of-range indices gracefully upstream.
708-731: Sufficient detail in docstring
The docstring offers clear instructions on usage. The function effectively retrieves devices, clip slots, and other properties for the master track.
865-865: Confirm usage of main entry point
Ensure that callingmain()as the entry point is consistent with your deployment or packaging approach. If you distribute the MCP as a library, some users might prefer a different programmatic interface.AbletonMCP_Remote_Script/__init__.py (10)
21-26: Centralized command list
DefiningSTATE_MODIFYING_COMMANDShere is consistent with the server changes. This improves maintainability but remember to keep both locations in sync if changes are needed.
235-236: Great clarity in command dispatch
Adding"get_master_track_info"as a separate command simplifies code comprehension and ensures alignment with the new_get_master_track_infomethod.
238-238: Consistent usage ofSTATE_MODIFYING_COMMANDS
Using a unified check for all state-modifying commands helps simplify future expansions and reduces duplication.
282-291: Efficient approach to setting clip properties
The new condition for"set_clip_properties"properly defers to a single_set_clip_propertiesmethod, improving modularity.
336-358: Proper structure for “get_device_parameters”
This handle logic neatly defers to_get_device_parameters, returning a well-formed success or error response.
359-363: Enhances search capabilities
The new"search_browser_items"path is consistent with other commands, further unifying your command structure.
451-498: Detailed master track retrieval
Offering a specialized_get_master_track_infomethod clarifies differences from normal tracks (e.g., potential absence of clip slots).
1115-1172: Comprehensive parameter retrieval
The_get_device_parametersmethod logs thorough diagnostic messages and gracefully handles negative or out-of-range indices. Good job including device class info.
1173-1244: Robust property setting
Your_set_clip_propertiesmethod systematically handles clip attributes, passing back updated values. This is a well-defined approach for multi-attribute updates.
1245-1310: Cautious clamping of parameter values
Clamping parameter values with logs is a nice touch, ensuring unexpected out-of-range inputs don’t break the workflow.
| result = self._start_playback() | ||
| elif command_type == "stop_playback": | ||
| result = self._stop_playback() | ||
| elif command_type == "load_instrument_or_effect": |
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this isn't an actual method here, it's a tool from server.py but that will send load_browser_item command
2 participants
User description
I saw this PR and thought these commands are super useful and wanted to get the code in a better working state than what I saw it in. This PR cleans up a lot of extra stuff from that PR to only really include what's needed. Happy to continue working towards improving this code if you see anything out of the ordinary.
PR Type
Enhancement, Bug fix
Description
Added new commands for device and clip management.
Enhanced state-modifying command handling with centralized list.
Improved error handling and logging for command execution.
Removed deprecated or redundant commands for cleaner codebase.
Changes walkthrough 📝
__init__.py
Enhanced device and clip management in Ableton MCP scriptAbletonMCP_Remote_Script/init.py
set_clip_name.server.py
Updated server to support new device and clip commandsMCP_Server/server.py
set_clip_namecommand.Summary by CodeRabbit