Official MCP reference and test server that exercises prompts, resources and tools, useful for testing MCP client implementations.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add everything -- npx -y @modelcontextprotocol/server-everything~/.codex/config.toml
[mcp_servers.everything]
command = "npx"
args = ["-y", "@modelcontextprotocol/server-everything"]
# codex mcp add everything -- npx -y @modelcontextprotocol/server-everything~/.cursor/mcp.json
{
"mcpServers": {
"everything": {
"command": "npx",
"args": [
"-y",
"@modelcontextprotocol/server-everything"
]
}
}
}.vscode/mcp.json
{
"servers": {
"everything": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@modelcontextprotocol/server-everything"
]
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"everything": {
"command": "npx",
"args": [
"-y",
"@modelcontextprotocol/server-everything"
]
}
}
}claude_desktop_config.json
{
"mcpServers": {
"everything": {
"command": "npx",
"args": [
"-y",
"@modelcontextprotocol/server-everything"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"everything": {
"command": "npx",
"args": [
"-y",
"@modelcontextprotocol/server-everything"
]
}
}
}