What is the key difference between R2mcp and OPNSenseMCP?

R2mcp belongs to the Security category with local stdio execution, while OPNSenseMCP belongs to the Security category with local stdio execution.

How do I install R2mcp or OPNSenseMCP in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are R2mcp and OPNSenseMCP free or paid?

R2mcp operates under a Free / Open Source model (API Key required). OPNSenseMCP operates under a Free / Open Source model (API Key required).

Which MCP server has more tools and community activity?

R2mcp lists 6 tools with 2 views and 309 GitHub stars. OPNSenseMCP lists 18 tools with 4 views and 83 GitHub stars.

Can I use both R2mcp and OPNSenseMCP together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

R2mcp vs OPNSenseMCP

In-depth architectural comparison of the R2mcp and OPNSenseMCP MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

R2mcp

Security · Local stdio

Quality: 49/100 (Fair) | Auth: API Key required

OPNSenseMCP

Security · Local stdio

Quality: 61/100 (Good) | Auth: API Key required

Verdict Summary: Choose R2mcp if you need specialized Security tools running via a local process. Choose OPNSenseMCP if your workspace requires Security integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose R2mcp when:

You need dedicated capabilities in the Security domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (Free / Open Source).
You have access to required keys: R2MCP_AUTH_TOKEN.
Primary tools included: Native C implementation using radare2 APIs, Supports CLI, r2 plugin, and HTTP MCP server modes, Connects to local or remote radare2/iaito sessions via r2pipe.

Explore R2mcp Details

Choose OPNSenseMCP when:

You need dedicated capabilities in the Security domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (Free / Open Source).
You have access to required keys: OPNSENSE_HOST, OPNSENSE_API_KEY, OPNSENSE_API_SECRET, OPNSENSE_VERIFY_SSL.

Feature & Specification Comparison

Specification	R2mcp radareorg Security	OPNSenseMCP vespo92 Security
Summary
Category & Scope	Security	Security
Quality signal

Tools & Capabilities Breakdown

R2mcp Tools (6)

Native C implementation using radare2 APIs

Supports CLI, r2 plugin, and HTTP MCP server modes

Connects to local or remote radare2/iaito sessions via r2pipe

Read-only mode, sandboxing, and tool restrictions

Per-session HTTP multiplexing with bearer token authentication

Optional raw access to run radare2 commands and r2js scripts

OPNSenseMCP Tools (18)

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

R2mcp Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "radareorg-r2mcp": {
      "command": "npx",
      "args": [
        "-y",
        "radareorg-r2mcp"
      ],
      "env": {
        "R2MCP_AUTH_TOKEN": "YOUR_R2MCP_AUTH_TOKEN_HERE"
      }
    }
  }
}

OPNSenseMCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "vespo92-opnsensemcp": {
      "command": "npx",
      "args": [
        "-y",
        "opnsense-mcp-server"
      ],
      "env": {
        "OPNSENSE_HOST": "YOUR_OPNSENSE_HOST_HERE",
        "OPNSENSE_API_KEY": "YOUR_OPNSENSE_API_KEY_HERE",
        "OPNSENSE_API_SECRET": "YOUR_OPNSENSE_API_SECRET_HERE",
        "OPNSENSE_VERIFY_SSL": "YOUR_OPNSENSE_VERIFY_SSL_HERE"
      }
    }
  }
}

Frequently Asked Questions

R2mcp is categorized under Security and uses a local stdio subprocess. In contrast, OPNSenseMCP belongs to Security using local stdio subprocess. Select R2mcp when you need capabilities focused on security and OPNSenseMCP when you require tools for security.

More alternatives to R2mcp More alternatives to OPNSenseMCP Security category hub