What is the key difference between Plexus and Brreg No?

Plexus belongs to the Developer Tools category with cloud HTTP/SSE execution, while Brreg No belongs to the Developer Tools category with cloud HTTP/SSE execution.

How do I install Plexus or Brreg No 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 Brreg No free or paid?

Plexus operates under a Free / Open Source model (No auth required). Brreg No 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. Brreg No lists 6 tools with 0 views and 0 GitHub stars.

Can I use both Plexus and Brreg No 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 Brreg No

In-depth architectural comparison of the Plexus and Brreg No 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

Brreg No

Developer Tools · Remote HTTP/SSE

Quality: 51/100 (Good) | Auth: No auth required

Verdict Summary: Choose Plexus if you need specialized Developer Tools tools running via a hosted cloud SSE transport. Choose Brreg No 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 Brreg No 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, search_sub_entities.

Explore Brreg No Details

Feature & Specification Comparison

Specification	P Plexus Developer Tools	B Brreg No Developer Tools
Summary	Typed on-prem knowledge graph for AI agents — read-only for humans, write-only for agents via MCP.	Brønnøysund Register Centre (BRREG) MCP — Norway's official business register.
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"
    }
  }
}

Brreg No Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "brreg-no": {
      "url": "https://pipeworx.io"
    }
  }
}

Frequently Asked Questions

Plexus is categorized under Developer Tools and uses a remote streaming HTTP/SSE transport. In contrast, Brreg No belongs to Developer Tools using remote streaming HTTP/SSE transport. Select Plexus when you need capabilities focused on developer tools and Brreg No when you require tools for developer tools.