What is the key difference between Osint Agent Skills and Contrastapi?

Osint Agent Skills belongs to the Security category with local stdio execution, while Contrastapi belongs to the Security category with cloud HTTP/SSE execution.

How do I install Osint Agent Skills or Contrastapi 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 Osint Agent Skills and Contrastapi free or paid?

Osint Agent Skills operates under a Free / Open Source model (No auth required). Contrastapi operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Osint Agent Skills lists 5 tools with 1 views and 36 GitHub stars. Contrastapi lists 6 tools with 3 views and 33 GitHub stars.

Can I use both Osint Agent Skills and Contrastapi 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

Osint Agent Skills vs Contrastapi

In-depth architectural comparison of the Osint Agent Skills and Contrastapi 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

Osint Agent Skills

Security · Local stdio

Quality: 37/100 (Fair) | Auth: No auth required

Contrastapi

Security · Remote HTTP/SSE

Quality: 55/100 (Good) | Auth: No auth required

Verdict Summary: Choose Osint Agent Skills if you need specialized Security tools running via a local process. Choose Contrastapi if your workspace requires Security integration with remote web transport. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Osint Agent Skills 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).
Primary tools included: Five-phase intelligence-cycle methodology, Domain, email, IP, phone, crypto, and image pivot playbooks, Free-tool, API, MCP, and CLI tool registries.

Explore Osint Agent Skills Details

Choose Contrastapi when:

You need dedicated capabilities in the Security domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: 55 MCP tools for security intelligence, CVE, CWE, EPSS, and CISA KEV lookups, Domain, IP, IOC, and OSINT investigation.

Feature & Specification Comparison

Specification	Osint Agent Skills Security	Contrastapi UPinar Security
Summary	OSINT MCP server — 23 tools: DNS, WHOIS, Shodan, breaches, GEOINT, crypto. Works with Claude Code.	Security intelligence API with 31 MCP tools for CVE/EPSS/KEV lookup, domain recon (DNS/WHOIS/SSL/subdomains/CT logs), IOC/threat intel, OSINT (email/phone/username), and code security scanning (secrets, injection). Free 100 req/hr.
Category & Scope	Security

Tools & Capabilities Breakdown

Osint Agent Skills Tools (5)

Five-phase intelligence-cycle methodology

Domain, email, IP, phone, crypto, and image pivot playbooks

Free-tool, API, MCP, and CLI tool registries

Source-cited report and evidence templates

Legal, privacy, and anti-hallucination guidance

Contrastapi Tools (6)

55 MCP tools for security intelligence

CVE, CWE, EPSS, and CISA KEV lookups

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).

Osint Agent Skills Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "osint-agent-skills": {
      "command": "npx",
      "args": [
        "-y",
        "osint-agent-skills"
      ]
    }
  }
}

Contrastapi Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "upinar-contrastapi": {
      "url": "https://api.contrastcyber.com/mcp/"
    }
  }
}

Frequently Asked Questions

Osint Agent Skills is categorized under Security and uses a local stdio subprocess. In contrast, Contrastapi belongs to Security using remote streaming HTTP/SSE transport. Select Osint Agent Skills when you need capabilities focused on security and Contrastapi when you require tools for security.

More alternatives to Osint Agent Skills More alternatives to Contrastapi Security category hub