Is Opengrok MCP Server safe to use?

Opengrok MCP Server has no known CVEs as of the latest MCPpedia security scan. Authentication requirements were not detected automatically - check the project's documentation before connecting in a shared environment.

How do I install Opengrok MCP Server?

Opengrok MCP Server supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.

What can Opengrok MCP Server do?

Opengrok MCP Server provides 19 tools: opengrok_search_code, opengrok_find_file, opengrok_get_file_content, opengrok_get_file_history, opengrok_browse_directory and 14 more. See the full tools list on the server page for descriptions and parameters.

What AI clients work with Opengrok MCP Server?

Opengrok MCP Server is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.

Is Opengrok MCP Server actively maintained?

Opengrok MCP Server is recently maintained - last commit was 49 days ago. It has 12 GitHub stars.

Opengrok MCP Server

opengrok-mcp-server

MCP server bridging OpenGrok search engine with AI for instant context across massive codebases.

12 140/wk 19 tools GitHub npm

No known CVEs

No license

Maintained

Last commit 49d ago

Works with most clients

Transport: stdio, sse, http

19 tools · ~1.5k tok

Grade C · 0.8% of 200K ctx

MCPpedia last refreshed this data 16h ago

Edit this pageView history

Opengrok MCP Server is an MCP server that MCP server bridging OpenGrok search engine with AI for instant context across massive codebases. Its tool list has not been published yet over stdio, sse and http, requires no API key, and scores 77/100 on MCPpedia's security, maintenance and efficiency rubric.

Search Developer Tools

Step 1

Install in your client

Config is the same across clients - only the file and path differ.

Supported in Claude Desktopstdio, sse, http · Node 18+

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "io-github-icyhot09-opengrok": {
      "args": [
        "-y",
        "opengrok-mcp-server"
      ],
      "command": "npx"
    }
  }
}

Are you the author?

Add this badge to your README to show your security score and help users find safe servers.

Embed in your READMEAbout badges →

[![MCPpedia Score](https://mcppedia.org/api/badge/io-github-icyhot09-opengrok)](https://mcppedia.org/s/io-github-icyhot09-opengrok)

Read me

What Opengrok MCP Server does

MCP server bridging OpenGrok search engine with AI for instant context across massive codebases.

Test This Server

This server supports HTTP transport. Be the first to test it - help the community know if it works.

Loading README…

Scored, not listed

Why this score

Five weighted categories - click any category to see the underlying evidence.

Score breakdown

77/100across 5 weighted dimensions

How we score →

0255075100

−23

Security

Maintenance

Efficiency

Documentation

Compatibility

Categoriesclick a row to see evidence

Security

OSV.dev

No known CVEs.

Checked opengrok-mcp-server against OSV.dev.

Inventory

Tools (19)

Click any tool to inspect its schema.

~1.5k tokens total

Community

Reviews

Be the first to review

Have you used this server?

Share your experience - it helps other developers decide.

How easy was setup?Did it work reliably?How was the documentation?

Frequently Asked Questions

Is Opengrok MCP Server safe to use?: Opengrok MCP Server has no known CVEs as of the latest MCPpedia security scan. Authentication requirements were not detected automatically - check the project's documentation before connecting in a shared environment.
How do I install Opengrok MCP Server?: Opengrok MCP Server supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
What can Opengrok MCP Server do?: Opengrok MCP Server provides 19 tools: opengrok_search_code, opengrok_find_file, opengrok_get_file_content, opengrok_get_file_history, opengrok_browse_directory and 14 more. See the full tools list on the server page for descriptions and parameters.
What AI clients work with Opengrok MCP Server?: Opengrok MCP Server is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.
Is Opengrok MCP Server actively maintained?: Opengrok MCP Server is recently maintained - last commit was 49 days ago. It has 12 GitHub stars.

Similar servers

Others in search / developer-tools

View all →

XcodeBuildMCP97

XcodeBuildMCP provides tools for Xcode project management, simulator management, and app utilities.

6.6k 2

Supabase MCP Server96

Manage Supabase projects — databases, auth, storage, and edge functions

3.0k 4

Mcp Gitlab96

MCP server for using the GitLab API

2.1k 12

Codebase Memory Mcp95

Codebase knowledge graph for AI agents — 162 languages, sub-ms queries, 99% fewer tokens.

48.6k 6

MCP Security Weekly

Get CVE alerts and security updates for Opengrok MCP Server and similar servers.

Community

Discussion

Start a conversation

Ask a question, share a tip, or report an issue.

Has anyone used this with Cursor?How do you handle auth?Any alternatives?

Edit this pageView history

Search Developer Tools

Step 1

Install in your client

Config is the same across clients - only the file and path differ.

Supported in Claude Desktopstdio, sse, http · Node 18+

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "io-github-icyhot09-opengrok": {
      "args": [
        "-y",
        "opengrok-mcp-server"
      ],
      "command": "npx"
    }
  }
}

Are you the author?

Add this badge to your README to show your security score and help users find safe servers.

Embed in your READMEAbout badges →

[![MCPpedia Score](https://mcppedia.org/api/badge/io-github-icyhot09-opengrok)](https://mcppedia.org/s/io-github-icyhot09-opengrok)

Read me

What Opengrok MCP Server does

MCP server bridging OpenGrok search engine with AI for instant context across massive codebases.

Test This Server

This server supports HTTP transport. Be the first to test it - help the community know if it works.

README

OpenGrok MCP Server

Code intelligence for any OpenGrok-indexed codebase — search, read, blame, symbol navigation, diffs, commit history, call graphs, dependency maps, and guided investigation. Optimized for token efficiency through Code Mode and AST-aware code reads.

Quick Start

Option 1 — VS Code Extension

Install OpenGrok MCP from the VS Code Marketplace, or search "OpenGrok" in the Extensions panel. The configuration panel opens on first launch — enter your OpenGrok endpoint, username, and password, then click Save Settings and reload when prompted.

The extension provides a visual configuration UI and manages the MCP server process automatically. No Python, external Node.js install, or manual environment setup required.

Option 2 — npm / npx CLI

npm install -g opengrok-mcp-server
opengrok-mcp setup      # interactive wizard: URL, credentials, MCP client registration

Or run without installing:

npx opengrok-mcp-server setup

Other CLI commands:

opengrok-mcp status      # health check: validates connectivity and detects installed MCP clients
opengrok-mcp setup --test                     # test the stored connection without the wizard
opengrok-mcp setup --set contextBudget=generous  # update one stored setting non-interactively
opengrok-mcp export-audit --format json --output audit.jsonl  # export the audit log
opengrok-mcp version     # print version and exit
opengrok-mcp help        # show all commands

Works with any MCP-compatible client (CLI or IDE). See MCP_CLIENTS.md for config format and troubleshooting.

Credentials are stored in the OS keychain (macOS Keychain, Windows Credential Manager, Linux libsecret) with an AES-256-GCM encrypted file fallback for headless environments.

[!TIP] Automatic Updates — The extension checks GitHub for new releases once per 24 hours and notifies you when one is available. Use OpenGrok: Check for Updates to check on demand.

The Problem

Engineers working in large codebases face a specific gap when using AI coding assistants. The model's context window contains the file currently open, the conversation, and whatever has been manually shared — but a production codebase has structure, history, and cross-module relationships that exist entirely outside that window.

A symbol defined in one module and called from seventy others. A function whose behavior only becomes clear from the three commits that shaped it. An include chain stretching across a dozen directories. A call graph showing which components depend on a service before it gets refactored.

Without access to the code index, the model fills these gaps by guessing: it fabricates file paths, invents function signatures, misattributes changes to authors. The model is not wrong because it is unintelligent — it is wrong because it is isolated.

OpenGrok already solves this for human engineers. It indexes source in dozens of programming languages, maintains a full-text index across committed history, and exposes definition lookups, reference graphs, blame, directory traversal, and file history through a REST API. The problem was that AI tools had no way to reach it.

How It Works

┌──────────────────────────────────────────────────────┐
│  AI Client  (Claude, Copilot, 

... [View full README on GitHub](https://github.com/IcyHot09/opengrok-mcp-server#readme)

Loading README…

Scored, not listed

Why this score

Five weighted categories - click any category to see the underlying evidence.

Score breakdown

77/100across 5 weighted dimensions

How we score →

0255075100

−23

Security

Maintenance

Efficiency

Documentation

Compatibility

Categoriesclick a row to see evidence

Security

OSV.dev

No known CVEs.

Checked opengrok-mcp-server against OSV.dev.

Inventory

Tools (19)

Click any tool to inspect its schema.

~1.5k tokens total

Community

Reviews

Be the first to review

Have you used this server?

Share your experience - it helps other developers decide.

How easy was setup?Did it work reliably?How was the documentation?

Frequently Asked Questions

Is Opengrok MCP Server safe to use?: Opengrok MCP Server has no known CVEs as of the latest MCPpedia security scan. Authentication requirements were not detected automatically - check the project's documentation before connecting in a shared environment.
How do I install Opengrok MCP Server?: Opengrok MCP Server supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
What can Opengrok MCP Server do?: Opengrok MCP Server provides 19 tools: opengrok_search_code, opengrok_find_file, opengrok_get_file_content, opengrok_get_file_history, opengrok_browse_directory and 14 more. See the full tools list on the server page for descriptions and parameters.
What AI clients work with Opengrok MCP Server?: Opengrok MCP Server is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.
Is Opengrok MCP Server actively maintained?: Opengrok MCP Server is recently maintained - last commit was 49 days ago. It has 12 GitHub stars.