What is the key difference between Exogram Authority Runtime and True Solar Time?

Exogram Authority Runtime belongs to the Developer Tools category with local stdio execution, while True Solar Time belongs to the Developer Tools category with local stdio execution.

How do I install Exogram Authority Runtime or True Solar Time 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 Exogram Authority Runtime and True Solar Time free or paid?

Exogram Authority Runtime operates under a Free / Open Source model (No auth required). True Solar Time operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Exogram Authority Runtime lists 9 tools with 2 views and 0 GitHub stars. True Solar Time lists 6 tools with 1 views and 0 GitHub stars.

Can I use both Exogram Authority Runtime and True Solar Time 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

Exogram Authority Runtime vs True Solar Time

In-depth architectural comparison of the Exogram Authority Runtime and True Solar Time 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

Exogram Authority Runtime

Developer Tools · Local stdio

Quality: 61/100 (Good) | Auth: No auth required

True Solar Time

Developer Tools · Local stdio

Quality: 43/100 (Fair) | Auth: No auth required

Verdict Summary: Choose Exogram Authority Runtime if you need specialized Developer Tools tools running via a local process. Choose True Solar Time if your workspace requires Developer Tools integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Exogram Authority Runtime when:

You need dedicated capabilities in the Developer Tools domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: create_entities, create_relations, add_observations.

Explore Exogram Authority Runtime Details

Choose True Solar Time when:

You need dedicated capabilities in the Developer Tools domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: Historical IANA time-zone and DST correction, Longitude-based solar-time adjustment, Equation-of-time calculation.

Explore True Solar Time Details

Feature & Specification Comparison

Specification	Exogram Authority Runtime Developer Tools	True Solar Time Developer Tools
Summary
Category & Scope	Developer Tools	Developer Tools
Quality signal

Tools & Capabilities Breakdown

Exogram Authority Runtime Tools (9)

create_entities

Create multiple new entities in the knowledge graph

create_relations

Create multiple new relations between entities in the knowledge graph. Relations should be in active voice

add_observations

Add new observations to existing entities in the knowledge graph

delete_entities

Delete multiple entities and their associated relations from the knowledge graph

delete_observations

Delete specific observations from entities in the knowledge graph

delete_relations

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).

Exogram Authority Runtime Configuration

mcpServers (Claude Desktop / Cursor)

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

True Solar Time Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "true-solar-time": {
      "command": "npx",
      "args": [
        "-y",
        "true-solar-time"
      ]
    }
  }
}

Frequently Asked Questions

Exogram Authority Runtime is categorized under Developer Tools and uses a local stdio subprocess. In contrast, True Solar Time belongs to Developer Tools using local stdio subprocess. Select Exogram Authority Runtime when you need capabilities focused on developer tools and True Solar Time when you require tools for developer tools.

More alternatives to Exogram Authority Runtime More alternatives to True Solar Time Developer Tools category hub