OpenGrok MCP Server is a native Model Context Protocol server that bridges your organization's OpenGrok search engine with AI assistants — enabling instant, natural language search and deep repository context across massive codebases.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add opengrok --env OPENGROK_BASE_URL='<OPENGROK_BASE_URL>' --env OPENGROK_PASSWORD='<OPENGROK_PASSWORD>' -- npx -y opengrok-mcp-server~/.codex/config.toml
[mcp_servers.opengrok]
command = "npx"
args = ["-y", "opengrok-mcp-server"]
env = { OPENGROK_BASE_URL = "<OPENGROK_BASE_URL>", OPENGROK_PASSWORD = "<OPENGROK_PASSWORD>" }
# codex mcp add opengrok --env OPENGROK_BASE_URL='<OPENGROK_BASE_URL>' --env OPENGROK_PASSWORD='<OPENGROK_PASSWORD>' -- npx -y opengrok-mcp-server~/.cursor/mcp.json
{
"mcpServers": {
"opengrok": {
"command": "npx",
"args": [
"-y",
"opengrok-mcp-server"
],
"env": {
"OPENGROK_BASE_URL": "<OPENGROK_BASE_URL>",
"OPENGROK_PASSWORD": "<OPENGROK_PASSWORD>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"opengrok": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"opengrok-mcp-server"
],
"env": {
"OPENGROK_BASE_URL": "<OPENGROK_BASE_URL>",
"OPENGROK_PASSWORD": "<OPENGROK_PASSWORD>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"opengrok": {
"command": "npx",
"args": [
"-y",
"opengrok-mcp-server"
],
"env": {
"OPENGROK_BASE_URL": "<OPENGROK_BASE_URL>",
"OPENGROK_PASSWORD": "<OPENGROK_PASSWORD>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"opengrok": {
"command": "npx",
"args": [
"-y",
"opengrok-mcp-server"
],
"env": {
"OPENGROK_BASE_URL": "<OPENGROK_BASE_URL>",
"OPENGROK_PASSWORD": "<OPENGROK_PASSWORD>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"opengrok": {
"command": "npx",
"args": [
"-y",
"opengrok-mcp-server"
],
"env": {
"OPENGROK_BASE_URL": "<OPENGROK_BASE_URL>",
"OPENGROK_PASSWORD": "<OPENGROK_PASSWORD>"
}
}
}
}Environment variables
OPENGROK_BASE_URLOPENGROK_PASSWORD
Replace the placeholders with your own credentials and keep them out of version control.