What is the key difference between Tango and Vector (Apex Fusion)?

Tango belongs to the Legal category with cloud HTTP/SSE execution, while Vector (Apex Fusion) belongs to the Legal category with local stdio execution.

How do I install Tango or Vector (Apex Fusion) 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 Tango and Vector (Apex Fusion) free or paid?

Tango operates under a Free / Open Source model (No auth required). Vector (Apex Fusion) operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Tango lists 0 tools with 0 views and 0 GitHub stars. Vector (Apex Fusion) lists 0 tools with 0 views and 0 GitHub stars.

Can I use both Tango and Vector (Apex Fusion) 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.

How do I install Tango or Vector (Apex Fusion) in Claude Desktop, Cursor, or Windsurf?

Both servers follow the standard Model Context Protocol configuration format. Simply copy the JSON block from the configuration section above and paste it into your AI client's mcpServers configuration object (for instance in claude_desktop_config.json or ~/.cursor/mcp.json ), then completely restart or refresh the application.

Are Tango and Vector (Apex Fusion) free to use, or do they require API keys?

Tango is listed under a Free / Open Source model with No auth required . Vector (Apex Fusion) operates under a Free / Open Source model with No auth required . If environment variables are required (such as API keys), be sure to define them under the env key in your MCP client's configuration file.

Can I run both Tango and Vector (Apex Fusion) at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both tango and vector-apex-fusion as distinct keys inside the single mcpServers object in your configuration file. Your AI assistant will automatically select and call the appropriate tool from either server during chat sessions.

Which MCP server has higher directory engagement and quality ratings?

On AllMCPs, Tango has a Quality Score of 42 /100 ( Fair ) with 0 views, 0 installs, and 0 GitHub stars. Vector (Apex Fusion) holds a Quality Score of 27 /100 ( Emerging ) with 0 views, 0 installs, and 0 GitHub stars.

Side-by-Side Model Context Protocol Comparison

Tango vs Vector (Apex Fusion)

In-depth architectural comparison of the Tango and Vector (Apex Fusion) 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

Tango

Legal · Remote HTTP/SSE

Quality: 42/100 (Fair) | Auth: No auth required

Vector (Apex Fusion)

Legal · Local stdio

Quality: 27/100 (Emerging) | Auth: No auth required

Verdict Summary: Choose Tango if you need specialized Legal tools running via a hosted cloud SSE transport. Choose Vector (Apex Fusion) if your workspace requires Legal integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Tango when:

You need dedicated capabilities in the Legal domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore Tango Details

Choose Vector (Apex Fusion) when:

You need dedicated capabilities in the Legal domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore Vector (Apex Fusion) Details

Feature & Specification Comparison

Specification	T Tango Legal	V Vector (Apex Fusion) Legal
Summary	MCP access to the U.S. federal procurement graph: contracts, opportunities, entities, and more.	24 keyless tools for AI agents on Vector, the Apex Fusion eUTXO L2: wallets, contracts, registry.
Category & Scope	Legal	Legal
Quality signal

Tools & Capabilities Breakdown

Tango Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

Vector (Apex Fusion) Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

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).

Tango Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "tango": {
      "url": "https://tango.dev"
    }
  }
}

Vector (Apex Fusion) Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "vector-apex-fusion": {
      "command": "npx",
      "args": [
        "-y",
        "vector-apex-fusion"
      ]
    }
  }
}

Frequently Asked Questions

Tango is categorized under Legal and uses a remote streaming HTTP/SSE transport. In contrast, Vector (Apex Fusion) belongs to Legal using local stdio subprocess. Select Tango when you need capabilities focused on legal and Vector (Apex Fusion) when you require tools for legal.

More alternatives to Tango More alternatives to Vector (Apex Fusion)Legal category hub