What is the key difference between Korg Ledger and Shield?

Korg Ledger belongs to the Security category with cloud HTTP/SSE execution, while Shield belongs to the Security category with local stdio execution.

How do I install Korg Ledger or Shield 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 Korg Ledger and Shield free or paid?

Korg Ledger operates under a Free / Open Source model (No auth required). Shield operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Korg Ledger lists 3 tools with 0 views and 5 GitHub stars. Shield lists 6 tools with 4 views and 11 GitHub stars.

Can I use both Korg Ledger and Shield 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

Korg Ledger vs Shield

In-depth architectural comparison of the Korg Ledger and Shield 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

Korg Ledger

Security · Remote HTTP/SSE

Quality: 53/100 (Good) | Auth: No auth required

Shield

Security · Local stdio

Quality: 63/100 (Good) | Auth: No auth required

Verdict Summary: Choose Korg Ledger if you need specialized Security tools running via a hosted cloud SSE transport. Choose Shield if your workspace requires Security integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Korg Ledger when:

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

Explore Korg Ledger Details

Choose Shield when:

You need dedicated capabilities in the Security domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: Pre-execution MCP call guardrails, TOFU tool-catalog pinning, Tool description and result scanning.

Explore Shield Details

Feature & Specification Comparison

Specification	Korg Ledger Security	Shield AperionAI Security
Summary	Verifiable cognition: prove a session ledger is tamper-evident; audit & import any agent's logs.	Local guardrail proxy for AI coding agents. Wraps any MCP server (stdio or Streamable HTTP) and blocks destructive tool calls — DROP TABLE, rm -rf, force-push — before they execute. MCP supply-chain protection: TOFU tool-catalog pinning against rug pulls, plus tool-description and tool-result scanning for tool poisoning and prompt injection. 51 starter rules, approval gates, audit logging. Single binary, Apache-2.0.
Category & Scope

Tools & Capabilities Breakdown

Korg Ledger Tools (3)

AskUserQuestion

Ask a clarifying question with optional multiple-choice.

Recall

Pull relevant facts from cross-session memory (drift-checked).

Retrieve

Pull the exact bytes of a large tool result that was sealed to a content-ref.

Shield Tools (6)

Pre-execution MCP call guardrails

TOFU tool-catalog pinning

Tool description and result scanning

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).

Korg Ledger Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "korg-ledger": {
      "url": "https://api.openai.com/v1"
    }
  }
}

Shield Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "aperionai-shield": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-postgres"
      ]
    }
  }
}

Frequently Asked Questions

Korg Ledger is categorized under Security and uses a remote streaming HTTP/SSE transport. In contrast, Shield belongs to Security using local stdio subprocess. Select Korg Ledger when you need capabilities focused on security and Shield when you require tools for security.

More alternatives to Korg Ledger More alternatives to Shield Security category hub Canonical compare URL