bug: After adding a mcp server config and launch cmd, CRITICAL: Uncaught Exception! in `spawn <mcp-name> ENOENT`

[dthyresson]

Summary

Goal: To use the discogs mcp server https://github.com/cswkim/discogs-mcp-server with CommandCode.

I attempted (but pretty certain did not do correctly) to setup the mcp server with

cmd mcp add discogs --transport stdio discogs

which I knew was incomplete but I figured I could get it started and then fix after with my api key and other config setup.

However, on launch cmd, it throws a CRITICAL: Uncaught Exception!:

dt-music-catalog HEAD % cmd mcp add discogs --transport stdio discogs
✓ Added MCP server 'discogs' to local config
  Command: discogs

Next steps:
Start cmd and run /mcp to manage configured MCP servers.
dt-music-catalog HEAD % cmd
░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░
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# Command Code v0.26.7
# models: step-3.5-flash · taste-1
# ~/projects/music-catalog/dt-music-catalog


✖ CRITICAL: Uncaught Exception!
This is an unexpected error. Please file a bug report at https://github.com/CommandCodeAI/command-code/issues/new
✖ ERROR → Error
ℹ REASON → spawn discogs ENOENT
ℹ ERROR STACK ↓
 Error: spawn discogs ENOENT
    at ChildProcess._handle.onexit (node:internal/child_process:286:19)
    at onErrorNT (node:internal/child_process:507:16)
    at process.processTicksAndRejections (node:internal/process/task_queues:90:21)

ℹ Request ID: unknown
  Share this ID with support to help debug your issue.

Based on the docs in the mcp server readme , I'm not exactly sure how to setup using CommandCode.

Also, the add-json option is unforgiving given in needs quoted strings and may not like newlines especially given many mcp setup instructions use:

{
  "mcpServers": {
    "discogs": {
      "command": "npx",
      "args": [
        "-y",
        "discogs-mcp-server"
      ],
      "env": {
        "DISCOGS_PERSONAL_ACCESS_TOKEN": "<YOUR_TOKEN>"
      }
    }
  }
}

And that does not match the input needed as Inthink cmd expected just that inner command... part and maybe a required transport?

More documentation and examples or UX improvements to quickly setup and configure MCPs given many have Cursor and Claude instructions having something compatible to use would be helpful

Expected Behavior

I can use the configured server. UX for adding json and mcp congig is easier and more forgiving to use.

Actual Behavior

CRITICAL: Uncaught Exception! in spawn <mcp-name> ENOENT

Steps to reproduce the issue

Setup / use https://github.com/cswkim/discogs-mcp-server

dt-music-catalog HEAD % cmd mcp add discogs --transport stdio discogs
✓ Added MCP server 'discogs' to local config
  Command: discogs

Next steps:
Start cmd and run /mcp to manage configured MCP servers.
dt-music-catalog HEAD % cmd
░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░
░░░███████░███████░███████████░███████████░███████░████████░░░░████░░░
░░░███░███░██░░███░███░███░███░███░███░███░███░███░███░░███░███████░░░
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# Command Code v0.26.7
# models: step-3.5-flash · taste-1
# ~/projects/music-catalog/dt-music-catalog


✖ CRITICAL: Uncaught Exception!
This is an unexpected error. Please file a bug report at https://github.com/CommandCodeAI/command-code/issues/new
✖ ERROR → Error
ℹ REASON → spawn discogs ENOENT
ℹ ERROR STACK ↓
 Error: spawn discogs ENOENT
    at ChildProcess._handle.onexit (node:internal/child_process:286:19)
    at onErrorNT (node:internal/child_process:507:16)
    at process.processTicksAndRejections (node:internal/process/task_queues:90:21)

ℹ Request ID: unknown
  Share this ID with support to help debug your issue.

Based on the docs in the mcp server readme , I'm not exactly sure how to setup using CommandCode.

Also, the add-json option is unforgiving given in needs quoted strings and may not like newlines especially given many mcp setup instructions use:

{
  "mcpServers": {
    "discogs": {
      "command": "npx",
      "args": [
        "-y",
        "discogs-mcp-server"
      ],
      "env": {
        "DISCOGS_PERSONAL_ACCESS_TOKEN": "<YOUR_TOKEN>"
      }
    }
  }
}

Command Code Version

v0.26.7

Operating System

macOS

Terminal/IDE

No response

Shell

No response

Additional context

Note I found where CommandCode stored the mcp.json and it looks like:

{
  "mcpServers": {
    "discogs": {
      "transport": "stdio",
      "enabled": true,
      "command": "discogs"
    }
  }
}

I'm going to update that manually and try to use ... and yes I got it working by just editing the mcp.json in my config to one of the { "mcpServers": { "discogs": { "command": "npx", "args": ["-y", "discogs-mcp-server"], "env": { "DISCOGS_PERSONAL_ACCESS_TOKEN": examples provided.

No response

[ahmadawais]

@ahmadbilaldev check please.