What is the key difference between Phantom Secrets and Haldir?

Phantom Secrets belongs to the Security category with local stdio execution, while Haldir belongs to the Security category with local stdio execution.

How do I install Phantom Secrets or Haldir 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 Phantom Secrets and Haldir free or paid?

Phantom Secrets operates under a Free / Open Source model (No auth required). Haldir operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Phantom Secrets lists 0 tools with 0 views and 0 GitHub stars. Haldir lists 0 tools with 0 views and 4 GitHub stars.

Can I use both Phantom Secrets and Haldir 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.

How do I install Phantom Secrets or Haldir in Claude Desktop, Cursor, or Windsurf?

Both servers follow the standard Model Context Protocol configuration format. Simply copy the JSON block from the configuration section above and paste it into your AI client's mcpServers configuration object (for instance in claude_desktop_config.json or ~/.cursor/mcp.json ), then completely restart or refresh the application.

Are Phantom Secrets and Haldir free to use, or do they require API keys?

Phantom Secrets is listed under a Free / Open Source model with No auth required . Haldir operates under a Free / Open Source model with No auth required . If environment variables are required (such as API keys), be sure to define them under the env key in your MCP client's configuration file.

Can I run both Phantom Secrets and Haldir at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both phantom-secrets and haldir as distinct keys inside the single mcpServers object in your configuration file. Your AI assistant will automatically select and call the appropriate tool from either server during chat sessions.

Which MCP server has higher directory engagement and quality ratings?

On AllMCPs, Phantom Secrets has a Quality Score of 27 /100 ( Emerging ) with 0 views, 0 installs, and 0 GitHub stars. Haldir holds a Quality Score of 36 /100 ( Fair ) with 0 views, 0 installs, and 4 GitHub stars.

Side-by-Side Model Context Protocol Comparison

Phantom Secrets vs Haldir

In-depth architectural comparison of the Phantom Secrets and Haldir 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

Phantom Secrets

Security · Local stdio

Quality: 27/100 (Emerging) | Auth: No auth required

Haldir

Security · Local stdio

Quality: 36/100 (Fair) | Auth: No auth required

Verdict Summary: Choose Phantom Secrets if you need specialized Security tools running via a local process. Choose Haldir 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 Phantom Secrets 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).

Explore Phantom Secrets Details

Choose Haldir 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).

Explore Haldir Details

Feature & Specification Comparison

Specification	P Phantom Secrets Security	H Haldir Security
Summary	Stop AI coding agents from leaking API keys. Local proxy swaps real secrets for phm_ tokens.	Guardian layer for AI agents: identity, secrets, audit via MCP.
Category & Scope	Security	Security
Quality signal

Tools & Capabilities Breakdown

Phantom Secrets Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

Haldir Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

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).

Phantom Secrets Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "phantom-secrets": {
      "command": "npx",
      "args": [
        "-y",
        "phantom-secrets"
      ]
    }
  }
}

Haldir Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "haldir": {
      "command": "uvx",
      "args": [
        "haldir"
      ]
    }
  }
}

Frequently Asked Questions

Phantom Secrets is categorized under Security and uses a local stdio subprocess. In contrast, Haldir belongs to Security using local stdio subprocess. Select Phantom Secrets when you need capabilities focused on security and Haldir when you require tools for security.

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