What is the key difference between Osv MCP and Agntor MCP?

Osv MCP belongs to the Security category with local stdio execution, while Agntor MCP belongs to the Security category with local stdio execution.

How do I install Osv MCP or Agntor MCP 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 Osv MCP and Agntor MCP free or paid?

Osv MCP operates under a Free / Open Source model (No auth required). Agntor MCP operates under a BYOK (Pay Provider Direct) model (API Key required).

Which MCP server has more tools and community activity?

Osv MCP lists 5 tools with 2 views and 40 GitHub stars. Agntor MCP lists 14 tools with 3 views and 1 GitHub stars.

Can I use both Osv MCP and Agntor MCP 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

Osv MCP vs Agntor MCP

In-depth architectural comparison of the Osv MCP and Agntor MCP 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

Osv MCP

Security · Local stdio

Quality: 48/100 (Fair) | Auth: No auth required

Agntor MCP

Security · Local stdio

Quality: 55/100 (Good) | Auth: API Key required

Verdict Summary: Choose Osv MCP if you need specialized Security tools running via a local process. Choose Agntor MCP 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 Osv MCP when:

You need dedicated capabilities in the Security domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
You have access to required keys: MCP_PORT, MCP_TRANSPORT.
Primary tools included: SSE transport mode with optional streamable-http, Query by package name, ecosystem, version, or commit hash, Batch querying multiple vulnerability queries in one request.

Explore Osv MCP Details

Choose Agntor MCP when:

You need dedicated capabilities in the Security domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (BYOK (Pay Provider Direct)).
You have access to required keys: AGNTOR_API_KEY, AGNTOR_MCP_AUTH_KEY, AGNTOR_SECRET_KEY, AGNTOR_API_URL, PORT, MCP_TRANSPORT.

Feature & Specification Comparison

Specification	Osv MCP StacklokLabs Security	Agntor MCP agntor Security
Summary	Access the OSV (Open Source Vulnerabilities) database for vulnerability information. Query vulnerabilities by package version or commit, batch query multiple packages, and get detailed vulnerability information by ID.	MCP audit server for agent discovery and certification. Provides trust and payment rail for AI agents including identity verification, escrow, settlement, and reputation management.
Category & Scope

Tools & Capabilities Breakdown

Osv MCP Tools (5)

SSE transport mode with optional streamable-http

Query by package name, ecosystem, version, or commit hash

Batch querying multiple vulnerability queries in one request

Fetch detailed vulnerability data by OSV vulnerability ID

Configurable server port via environment variable

Agntor MCP Tools (14)

get_agent_card

Retrieve the verifiable AgentCard (Passport) for an agent

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).

Osv MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "stackloklabs-osv-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "stackloklabs-osv-mcp"
      ],
      "env": {
        "MCP_PORT": "YOUR_MCP_PORT_HERE",
        "MCP_TRANSPORT": "YOUR_MCP_TRANSPORT_HERE"
      }
    }
  }
}

Agntor MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "agntor-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@agntor/mcp"
      ],
      "env": {
        "AGNTOR_API_KEY": "YOUR_AGNTOR_API_KEY_HERE",
        "AGNTOR_MCP_AUTH_KEY": "YOUR_AGNTOR_MCP_AUTH_KEY_HERE",
        "AGNTOR_SECRET_KEY": "YOUR_AGNTOR_SECRET_KEY_HERE",
        "AGNTOR_API_URL": "YOUR_AGNTOR_API_URL_HERE",
        "PORT": "YOUR_PORT_HERE",
        "MCP_TRANSPORT": "YOUR_MCP_TRANSPORT_HERE"
      }
    }
  }
}

Frequently Asked Questions

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

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