What is the MCP Composer MCP server?
Aggregate multiple MCP backends behind a single stdio endpoint with namespaced routing.
How to install MCP Composer
Copy-paste configuration for popular MCP clients.
transport: stdio
Config generated by PluginBench — verify against the source before use.Environment / auth
COMPOSER_CONFIGPath to the composer.yml backend definition file.
Claude Desktop
~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"composer": {
"command": "npx",
"args": [
"-y",
"@oaslananka/composer"
],
"env": {
"COMPOSER_CONFIG": "<YOUR_COMPOSER_CONFIG>"
}
}
}
}Cursor
~/.cursor/mcp.json
{
"mcpServers": {
"composer": {
"command": "npx",
"args": [
"-y",
"@oaslananka/composer"
],
"env": {
"COMPOSER_CONFIG": "<YOUR_COMPOSER_CONFIG>"
}
}
}
}Windsurf
~/.codeium/windsurf/mcp_config.json
{
"mcpServers": {
"composer": {
"command": "npx",
"args": [
"-y",
"@oaslananka/composer"
],
"env": {
"COMPOSER_CONFIG": "<YOUR_COMPOSER_CONFIG>"
}
}
}
}VS Code
.vscode/mcp.json
{
"servers": {
"composer": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@oaslananka/composer"
],
"env": {
"COMPOSER_CONFIG": "<YOUR_COMPOSER_CONFIG>"
}
}
}
}Claude Code
claude mcp add composer --env COMPOSER_CONFIG=<YOUR_COMPOSER_CONFIG> -- npx -y @oaslananka/composerRelated MCP servers
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