load_browser_item bug

[tatookan]

Failed Functions.

• ❌ load_browser_item -
  Failed for all URI formats

📝 Specific error messages

Error type: Browser item with
URI '' not found
Error code: Communication error
with Ableton

🧪 Tested URI Formats

All of the following formats failed:

1. Simple name: "Analog",
   "Collision", "Drift".
   "Operator", "Simpler", "Sampler".
   "Sampler"
2. Path format: "instruments/Analog", "Operator", "Simpler", "Sampler
   "instruments/Analog", "drums/Drum Rack
   "drums/Drum Rack"
3. full path.
   "instruments/piano/grand
   Piano" 4.
4. file format: "505 Core
   Kit.adg" 5.
5. Ableton internal format.
   "ableton.inst.analog", "ableton.inst.
   "ableton.inst.simpler"

🎯 Key findings

Important Clue: The error message displays the URI ''
(empty string), indicating:

• Parameters were not passed to Ableton correctly
• or there is a bug in the MCP tool's URI parsing.

📋 Environmental Information

• Operating system: macOS Darwin
  23.6.0
• Python version: 3.12
• MCP Server: FastMCP Framework
• Ableton connection: localhost:9877
  (normal connection)

🔧 Replication Steps

Simple reproduction code

ableton =
get_ableton_connection()
result = ableton.send_command(
"load_browser_item", {
"track_index": 8,
"uri": "analog" #
Any known instrument name
})

Result: Browser item with URI

'' not found

💡 Suggested directions for fixing it

1. Check parameter passing.
   Make sure the uri parameter is passed correctly to Ableton.
2. Validate URI format.
   Verify supported URI format specification
3. Add Error Handling.
   Provide more detailed error messages
4. Test different versions: Test different versions of Ableton
   Live versions

[tatookan]

I'm using claude code and I've found a bug.