What is the key difference between PPN Hub — public APIs over MCP and Exogram Authority Runtime?

PPN Hub — public APIs over MCP belongs to the Developer Tools category with local stdio execution, while Exogram Authority Runtime belongs to the Developer Tools category with local stdio execution.

How do I install PPN Hub — public APIs over MCP or Exogram Authority Runtime 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 PPN Hub — public APIs over MCP and Exogram Authority Runtime free or paid?

PPN Hub — public APIs over MCP operates under a Free / Open Source model (No auth required). Exogram Authority Runtime operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

PPN Hub — public APIs over MCP lists 0 tools with 0 views and 0 GitHub stars. Exogram Authority Runtime lists 0 tools with 2 views and 0 GitHub stars.

Can I use both PPN Hub — public APIs over MCP and Exogram Authority Runtime 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.

PPN Hub — public APIs… vs Exogram Authority Run…

PPN Hub — public APIs… vs Exogram Authority Run… | AllMCPs

Feature & Specification Comparison

Specification	P PPN Hub — public APIs over MCP Developer Tools	Exogram Authority Runtime Developer Tools
Summary	One MCP endpoint over 75 public PPN APIs: search_apis to discover, execute_api to call. Free tier.	Model Context Protocol server for the Exogram Authority Runtime.
Category & Scope	Developer Tools	Developer Tools
Quality signal	37/100 (Fair)	44/100 (Fair)
Transport Protocol	Local Subprocess (stdio)	Local Subprocess (stdio)
Auth Requirement	No auth required	No auth required
Pricing Model	Free / Open Source	Free / Open Source
Required Env Vars	None required	None required
Compatible Clients	Claude DesktopCursorWindsurfClineVS Code	Claude DesktopCursorWindsurfClineVS Code
Install path signal	`npx · low`	`npx · high`
Engagement & Health	0 views 0 copies 0 upvotes	2 views 0 copies 0 upvotes 0 stars
Verified / Official	Community Listing	Community Listing
Open full listing	View PPN Hub — public APIs over MCP Listing	View Exogram Authority Runtime Listing

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).

PPN Hub — public APIs over MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "ppn-hub-public-apis-over-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "ppn-hub-public-apis-over-mcp"
      ]
    }
  }
}

Exogram Authority Runtime Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "exogram-authority-runtime": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-memory"
      ]
    }
  }
}

PPN Hub — public APIs over MCP vs Exogram Authority Runtime

At a Glance & Executive Verdict

Which MCP Server Should You Choose?

Choose PPN Hub — public APIs over MCP when:

Choose Exogram Authority Runtime when:

Feature & Specification Comparison

Tools & Capabilities Breakdown

PPN Hub — public APIs over MCP Tools (0)

Exogram Authority Runtime Tools (0)

Ready-to-Paste Client Configurations

Frequently Asked Questions

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