What is the key difference between Plexus and Open Sanctions?

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

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

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

Which MCP server has more tools and community activity?

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

Can I use both Plexus and Open Sanctions 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

Plexus vs Open Sanctions

In-depth architectural comparison of the Plexus and Open Sanctions 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

Plexus

Developer Tools · Remote HTTP/SSE

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

Open Sanctions

Developer Tools · Remote HTTP/SSE

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

Verdict Summary: Choose Plexus if you need specialized Developer Tools tools running via a hosted cloud SSE transport. Choose Open Sanctions 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 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

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

Feature & Specification Comparison

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

Tools & Capabilities Breakdown

Plexus Tools (15)

save_entity

Create a new entity

get_entity

Fetch a single entity by id

list_entities

List with filters (kind, context, status)

search_entities

BM25-ranked full-text search with optional highlighting

update_entity

Update with optimistic locking (`expected_version`)

archive_entity

Soft-delete (status → archived)

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).

Plexus Configuration

mcpServers (Claude Desktop / Cursor)

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

Open Sanctions Configuration

mcpServers (Claude Desktop / Cursor)

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

Frequently Asked Questions

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