MCP Sidecar for VS Code
io.github.lsequeiraa/mcp-sidecar
Cross-platform MCP server for managing long-lived background processes from any MCP client
client:VS Code
transport:stdio
runtime:npm
Install MCP Sidecar in VS Code
.vscode/mcp.json
{
"inputs": [
{
"type": "promptString",
"id": "sidecar-max-processes",
"description": "SIDECAR_MAX_PROCESSES",
"password": true
},
{
"type": "promptString",
"id": "sidecar-buffer-size",
"description": "SIDECAR_BUFFER_SIZE",
"password": true
},
{
"type": "promptString",
"id": "sidecar-kill-timeout",
"description": "SIDECAR_KILL_TIMEOUT",
"password": true
},
{
"type": "promptString",
"id": "sidecar-cleanup-after",
"description": "SIDECAR_CLEANUP_AFTER",
"password": true
},
{
"type": "promptString",
"id": "sidecar-max-output-size",
"description": "SIDECAR_MAX_OUTPUT_SIZE",
"password": true
},
{
"type": "promptString",
"id": "sidecar-allowed-executables",
"description": "SIDECAR_ALLOWED_EXECUTABLES",
"password": true
},
{
"type": "promptString",
"id": "sidecar-blocked-patterns",
"description": "SIDECAR_BLOCKED_PATTERNS",
"password": true
},
{
"type": "promptString",
"id": "sidecar-audit-log",
"description": "SIDECAR_AUDIT_LOG",
"password": true
}
],
"servers": {
"mcp-sidecar": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"mcp-sidecar"
],
"env": {
"SIDECAR_MAX_PROCESSES": "${input:sidecar-max-processes}",
"SIDECAR_BUFFER_SIZE": "${input:sidecar-buffer-size}",
"SIDECAR_KILL_TIMEOUT": "${input:sidecar-kill-timeout}",
"SIDECAR_CLEANUP_AFTER": "${input:sidecar-cleanup-after}",
"SIDECAR_MAX_OUTPUT_SIZE": "${input:sidecar-max-output-size}",
"SIDECAR_ALLOWED_EXECUTABLES": "${input:sidecar-allowed-executables}",
"SIDECAR_BLOCKED_PATTERNS": "${input:sidecar-blocked-patterns}",
"SIDECAR_AUDIT_LOG": "${input:sidecar-audit-log}"
}
}
}
}
VS Code prompts for each input the first time the server starts, so no secret is written to the file. VS Code docs