What is the key difference between Open Sanctions and Plexus?

Open Sanctions belongs to the Developer Tools category with cloud HTTP/SSE execution, while Plexus belongs to the Developer Tools category with cloud HTTP/SSE execution.

How do I install Open Sanctions or Plexus 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 Open Sanctions and Plexus free or paid?

Open Sanctions operates under a Free / Open Source model (No auth required). Plexus operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Open Sanctions lists 2 tools with 0 views and 0 GitHub stars. Plexus lists 15 tools with 0 views and 0 GitHub stars.

Can I use both Open Sanctions and Plexus 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

Open Sanctions vs Plexus

In-depth architectural comparison of the Open Sanctions and Plexus 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

Open Sanctions

Developer Tools · Remote HTTP/SSE

Quality: 49/100 (Fair) | Auth: No auth required

Plexus

Developer Tools · Remote HTTP/SSE

Quality: 49/100 (Fair) | Auth: No auth required

Verdict Summary: Choose Open Sanctions if you need specialized Developer Tools tools running via a hosted cloud SSE transport. Choose Plexus if your workspace requires Developer Tools integration with remote web transport. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Open Sanctions when:

You need dedicated capabilities in the Developer Tools domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: search_entities, get_entity.

Explore Open Sanctions Details

Choose Plexus when:

You need dedicated capabilities in the Developer Tools domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: save_entity, get_entity, list_entities.

Explore Plexus Details

Feature & Specification Comparison

Specification	O Open Sanctions Developer Tools	P Plexus Developer Tools
Summary	OpenSanctions MCP — Global sanctions and PEP data (free, no auth required)	Typed on-prem knowledge graph for AI agents — read-only for humans, write-only for agents via MCP.
Category & Scope	Developer Tools	Developer Tools
Quality signal

Tools & Capabilities Breakdown

Open Sanctions Tools (2)

search_entities

Search global sanctions, watchlists, and PEP (politically exposed persons) databases. Returns matched entities with names, countries, datasets, and sanctions details. Example: search_entities("Vladimir Putin") or search_entities("Huawei", schema="Company")

get_entity

Get full details for a sanctioned entity by its OpenSanctions ID. Returns all properties including names, addresses, identifiers, sanctions programs, and related entities.

Plexus Tools (15)

save_entity

Create a new entity

get_entity

Fetch a single entity by id

list_entities

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).

Open Sanctions Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "open-sanctions": {
      "url": "https://pipeworx.io"
    }
  }
}

Plexus Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "plexus": {
      "url": "https://pcas.io"
    }
  }
}

Frequently Asked Questions

Open Sanctions is categorized under Developer Tools and uses a remote streaming HTTP/SSE transport. In contrast, Plexus belongs to Developer Tools using remote streaming HTTP/SSE transport. Select Open Sanctions when you need capabilities focused on developer tools and Plexus when you require tools for developer tools.

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